JP2010025254A - Rolling bearing - Google Patents

Rolling bearing Download PDF

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Publication number
JP2010025254A
JP2010025254A JP2008188535A JP2008188535A JP2010025254A JP 2010025254 A JP2010025254 A JP 2010025254A JP 2008188535 A JP2008188535 A JP 2008188535A JP 2008188535 A JP2008188535 A JP 2008188535A JP 2010025254 A JP2010025254 A JP 2010025254A
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Prior art keywords
peripheral surface
rotating body
outer peripheral
raceway
ring
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JP5211907B2 (en
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Hirotaka Yasuda
浩隆 安田
Giichi Kurashita
義一 蔵下
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JTEKT Corp
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JTEKT Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements

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  • Rolling Contact Bearings (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rolling bearing capable of suppressing the wear of a rotating body sliding on the peripheral surface of a race, and suppressing the swing of the rotating body in a radial direction. <P>SOLUTION: The outer peripheral surface 30 of the large flange 20 of an inner ring 3 on which first and second cages 8, 9 are slid is turned by circumferentially rotating a turning tool relative to the outer peripheral surface 30 in such a manner as to abut on the outer peripheral surface 30 so as to smooth the outer peripheral surface while leaving a recess formed by the turning. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、転がり軸受に関し、例えば、コンベアー用ローラーを支持するのに使用されれば好適な転がり軸受に関する。   The present invention relates to a rolling bearing, for example, a rolling bearing suitable for use in supporting a conveyor roller.

従来、転がり軸受としては、回転体としての保持器の環状部が、内輪の外周面に対して摺動しているものがある。このような構成において、保持器の内輪に対する摺動面の摩耗が速くて、保持器の寿命が短くなることがある。また、保持器が内輪との摺動によって径方向の過度な振れが発生することがある。
特開２００６−７１０３１号公報 Conventionally, as a rolling bearing, there is one in which an annular portion of a cage as a rotating body slides with respect to an outer peripheral surface of an inner ring. In such a configuration, the wear of the sliding surface with respect to the inner ring of the cage may be fast, and the life of the cage may be shortened. Further, excessive radial deflection may occur due to sliding of the cage with the inner ring.
JP 2006-71031 A

そこで、本発明の課題は、軌道輪の周面に摺動する回転体の摩耗を抑制でき、かつ、上記回転体の径方向の振れを抑制できる転がり軸受を提供することにある。   Accordingly, an object of the present invention is to provide a rolling bearing that can suppress wear of a rotating body that slides on the peripheral surface of a raceway ring and that can suppress radial deflection of the rotating body.

上記課題を解決するため、この発明の転がり軸受は、
内周面に軌道面を有する外輪と、
外周面に軌道面を有する内輪と、
上記内輪の上記軌道面と、上記外輪の上記軌道面との間に配置された転動体と、
上記外周面に上記外周面の周方向に摺動する回転体と
を備え、
上記回転体が摺動する上記外周面の部分は、その部分に対して旋削工具を上記周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されていることを特徴としている。 In order to solve the above problems, the rolling bearing of the present invention is
An outer ring having a raceway surface on the inner peripheral surface;
An inner ring having a raceway surface on the outer peripheral surface;
A rolling element disposed between the raceway surface of the inner ring and the raceway surface of the outer ring;
A rotating body that slides in the circumferential direction of the outer peripheral surface on the outer peripheral surface;
The part of the outer peripheral surface on which the rotating body slides is smoothed by turning a turning tool relative to the part in the circumferential direction and leaving a recess formed by the turning process. It is characterized by being.

上記回転体には、保持器およびガイドリングが含まれる。   The rotating body includes a cage and a guide ring.

本発明によれば、回転体が摺動する外周面の部分は、その部分に対して旋削工具を周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されているから、上記部分に略周方向に延在する凹部を形成することができる。したがって、この凹部に、潤滑剤を取り込むことができ、かつ、上記凹部は、周方向、すなわち、回転体の摺動方向に延在しているから、この凹部から上記部分に径方向に対向する上記回転体の摺動面に、潤滑剤を円滑に供給することができる。したがって、上記回転体の摺動面の摩耗を抑制できて、回転体の寿命を長くすることができる。   According to the present invention, the portion of the outer peripheral surface on which the rotating body slides is turned by rotating the turning tool relative to the portion in the circumferential direction, and the recess formed by the turning is left smooth. Therefore, a concave portion extending substantially in the circumferential direction can be formed in the above portion. Therefore, since the lubricant can be taken into this recess, and the recess extends in the circumferential direction, that is, the sliding direction of the rotating body, the recess faces the portion in the radial direction. The lubricant can be smoothly supplied to the sliding surface of the rotating body. Therefore, wear of the sliding surface of the rotating body can be suppressed, and the life of the rotating body can be extended.

また、上記凹部が、周方向、すなわち、回転体の摺動方向に延在しているとともに隣り合う凹部の間の丘部の頂部を平滑化しているから、上記部分に対する回転体の摺動を円滑にすることができる。したがって、回転体の径方向の振れを抑制することができる。   Moreover, since the said recessed part is extended in the circumferential direction, ie, the sliding direction of a rotary body, and smoothes the top part of the hill part between adjacent recessed parts, the sliding of the rotary body with respect to the said part is carried out. It can be smooth. Therefore, the radial shake of the rotating body can be suppressed.

また、この発明の転がり軸受は、
内周面に軌道面を有する外輪と、
外周面に軌道面を有する内輪と、
上記内輪の上記軌道面と、上記外輪の上記軌道面との間に配置された転動体と、
上記内周面に上記内周面の周方向に摺動する回転体と
を備え、
上記回転体が摺動する上記内周面の部分は、その部分に対して旋削工具を上記周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されていることを特徴としている。 The rolling bearing of the present invention is
An outer ring having a raceway surface on the inner peripheral surface;
An inner ring having a raceway surface on the outer peripheral surface;
A rolling element disposed between the raceway surface of the inner ring and the raceway surface of the outer ring;
A rotating body that slides in the circumferential direction of the inner peripheral surface on the inner peripheral surface;
The portion of the inner peripheral surface on which the rotating body slides is smoothed by turning a turning tool relative to the portion in the circumferential direction so as to leave a recess formed by the turning. It is characterized by having.

上記回転体には、保持器およびガイドリングが含まれる。   The rotating body includes a cage and a guide ring.

本発明によれば、回転体が摺動する内周面の部分は、その部分に対して旋削工具を周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されているから、上記部分に略周方向に延在する凹部を形成することができる。したがって、この凹部に、潤滑剤を取り込むことができ、かつ、上記凹部は、周方向、すなわち、回転体の摺動方向に延在しているから、この凹部から上記部分に径方向に対向する上記回転体の摺動面に、潤滑剤を円滑に供給することができる。したがって、上記回転体の摺動面の摩耗を抑制できて、回転体の寿命を長くすることができる。   According to the present invention, the portion of the inner peripheral surface on which the rotating body slides is turned by rotating the turning tool relative to the portion in the circumferential direction so that the recess formed by the turning is left. Since the surface is smoothed, a concave portion extending substantially in the circumferential direction can be formed in the portion. Therefore, since the lubricant can be taken into this recess, and the recess extends in the circumferential direction, that is, the sliding direction of the rotating body, the recess faces the portion in the radial direction. The lubricant can be smoothly supplied to the sliding surface of the rotating body. Therefore, wear of the sliding surface of the rotating body can be suppressed, and the life of the rotating body can be extended.

また、上記凹部が、周方向、すなわち、回転体の摺動方向に延在しているとともに隣り合う凹部の間の丘部の頂部を平滑化しているから、上記部分に対する回転体の摺動を円滑にすることができる。したがって、回転体の径方向の振れを抑制することができる。   Moreover, since the said recessed part is extended in the circumferential direction, ie, the sliding direction of a rotary body, and smoothes the top part of the hill part between adjacent recessed parts, the sliding of the rotary body with respect to the said part is carried out. It can be smooth. Therefore, the radial shake of the rotating body can be suppressed.

本発明の転がり軸受によれば、軌道輪の周面に摺動する回転体の摺動面に潤滑剤が行き渡りやすくて、上記回転体の摺動面の摩耗を抑制できる。また、回転体の径方向の振れを抑制できる。   According to the rolling bearing of the present invention, the lubricant easily spreads over the sliding surface of the rotating body that slides on the peripheral surface of the raceway ring, and wear of the sliding surface of the rotating body can be suppressed. Moreover, the radial shake of the rotating body can be suppressed.

以下、本発明を図示の形態により詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to the drawings.

（第１実施形態）
図１は、本発明の転がり軸受の第１実施形態の自動調心ころ軸受の軸方向の断面図である。 (First embodiment)
FIG. 1 is an axial sectional view of a self-aligning roller bearing according to a first embodiment of the rolling bearing of the present invention.

この複列球面ころ軸受は、油穴１０の形成された外輪１、内輪３、転動体としての複数の第１凸面ころ５、転動体としての複数の第２凸面ころ６、回転体としての第１保持器８、および、回転体としての第２保持器９備える。   The double row spherical roller bearing includes an outer ring 1 having an oil hole 10, an inner ring 3, a plurality of first convex rollers 5 as rolling elements, a plurality of second convex rollers 6 as rolling elements, and a first rotating roller. A first cage 8 and a second cage 9 as a rotating body are provided.

上記外輪１は、球面状の軌道面１１および球面状の軌道面１２を有している。一方、上記内輪３は、外周面に、軸方向に隣接して配置された軸線を含む断面において上記球面状の軌道面１１の半径と同じ半径の円弧状に形成された環状の第１軌道面１４、および軸線を含む断面において上記球面状の軌道面１２の半径と同じ半径の円弧状に形成された環状の第２軌道面１５を有している。上記内輪３は、第１軌道面１４と第２軌道面１５との間に大鍔部２０を有する一方、第１軌道面１４の大鍔部２０側とは反対側に第１小鍔部２１を有すると共に、第２軌道面１５の大鍔部２０側とは反対側に第２小鍔部２２を有している。上記大鍔部２０の外周面３０は、円筒状の形状を有している。   The outer ring 1 has a spherical raceway surface 11 and a spherical raceway surface 12. On the other hand, the inner ring 3 is an annular first raceway surface formed in an arc shape having the same radius as the radius of the spherical raceway surface 11 in a cross section including an axial line disposed adjacent to the outer peripheral surface in the axial direction. 14 and an annular second raceway surface 15 formed in an arc shape having the same radius as the radius of the spherical raceway surface 12 in the cross section including the axis. The inner ring 3 has a large collar portion 20 between the first raceway surface 14 and the second raceway surface 15, and a first small collar portion 21 on the opposite side of the first raceway surface 14 from the large collar portion 20 side. And a second small flange portion 22 on the opposite side of the second raceway surface 15 from the large flange portion 20 side. The outer peripheral surface 30 of the large collar part 20 has a cylindrical shape.

上記複数の第１凸面ころ５は、外輪１の軌道面１１と、内輪３の第１軌道面１４との間に、第１保持器８によって保持された状態で、周方向に互いに間隔をおいて配置されている。また、上記複数の第２凸面ころ６は、外輪１の軌道面１２と、内輪３の第２軌道面１５との間に、第２保持器９によって保持された状態で、周方向に互いに間隔をおいて配置されている。   The plurality of first convex rollers 5 are spaced apart from each other in the circumferential direction while being held by the first cage 8 between the raceway surface 11 of the outer ring 1 and the first raceway surface 14 of the inner ring 3. Are arranged. Further, the plurality of second convex rollers 6 are spaced apart from each other in the circumferential direction while being held by the second cage 9 between the raceway surface 12 of the outer ring 1 and the second raceway surface 15 of the inner ring 3. Is placed.

上記第１保持器８および第２保持器９の夫々は、くし状の形状を有している。上記第１保持器８は、第１凸面ころ５の第２凸面ころ６側に環状部２８を有する一方、第２保持器９は、第２凸面ころ６の第１凸面ころ５側に環状部２９を有している。環状部２８は、大鍔部２０の外周面３０の中央付近と径方向に略重なる位置に存在し、環状部２９と接触するかまたはわずかな隙間を介して、環状部２９に軸方向に対向するようになっている。上記環状部２８は、大鍔部２０の外周面３０におけるその外周面３０の中央よりも第１凸面ころ５側の部分に摺動するようになっている一方、環状部２９は、大鍔部２０の外周面３０におけるその外周面３０の中央よりも第２凸面ころ６側の部分に摺動するようになっている。すなわち、上記大鍔部２０の外周面３０は、環状部２８および環状部２９の案内面になっている。上記大鍔部２０の外周面３０は、以下に詳述するように、その外周面３０に対して旋削工具を周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面を研磨して平滑化されている。上記大鍔部２０の外周面３０は、回転体である第１および第２保持器８,９が摺動する内輪３の外周面の部分になっている。   Each of the first cage 8 and the second cage 9 has a comb shape. The first cage 8 has an annular portion 28 on the second convex roller 6 side of the first convex roller 5, while the second cage 9 is an annular portion on the first convex roller 5 side of the second convex roller 6. 29. The annular portion 28 exists at a position that substantially overlaps the center of the outer peripheral surface 30 of the large collar portion 20 in the radial direction, and contacts the annular portion 29 or faces the annular portion 29 in the axial direction through a slight gap. It is supposed to be. The annular portion 28 slides to a portion on the first convex roller 5 side of the outer peripheral surface 30 of the large collar portion 20 with respect to the center of the outer peripheral surface 30, while the annular portion 29 The outer peripheral surface 30 of the 20 slides toward the second convex roller 6 side of the center of the outer peripheral surface 30. That is, the outer peripheral surface 30 of the large collar portion 20 is a guide surface for the annular portion 28 and the annular portion 29. As will be described in detail below, the outer peripheral surface 30 of the large collar portion 20 is turned by rotating the turning tool relative to the outer peripheral surface 30 in the circumferential direction, and the recess formed by the turning processing is performed. The sliding surface of the rotating body is polished and smoothed so as to remain. The outer peripheral surface 30 of the large collar portion 20 is a portion of the outer peripheral surface of the inner ring 3 on which the first and second cages 8 and 9 that are rotating bodies slide.

上記内輪３は、以下のように形成されている。   The inner ring 3 is formed as follows.

先ず、高炭素クロム軸受鋼（ＳＵＪ２、ＳＡＥ５２１００、ＳＵＪ３、ＳＵＪ５等）、または、マルテンサイト系ステンレス鋼（ＳＵＳ４４０Ｃ（ＳＡＥ５１４４０Ｃ、ＡＩＳＩ４４０Ｃ））等からなる熱処理前および切削加工前の環状部材を作成する。   First, an annular member before heat treatment and before cutting is made of high carbon chromium bearing steel (SUJ2, SAE52100, SUJ3, SUJ5, etc.) or martensitic stainless steel (SUS440C (SAE51440C, AISI440C)).

次に、この環状部材に熱処理を施す。詳細には、マルテンサイト系ステンレス鋼を使用した場合には、１０００℃から１１００℃の範囲で、また、上述の材料のうちでマルテンサイト系ステンレス鋼以外の材料の場合には、７８０℃から８８０℃の範囲で、焼入れを行い、環状部材の組織のオーステナイト化を行う。続いて、空冷を行った後、水冷を行い、環状部材の冷却を行う。続いて、１５０℃から３８０℃の範囲で、焼き戻しを行って、環状部材を硬化させた後、空冷を行う。このようにして、熱処理を行う。   Next, this annular member is subjected to heat treatment. Specifically, when martensitic stainless steel is used, the temperature is in the range of 1000 ° C. to 1100 ° C., and among the above materials, materials other than martensitic stainless steel are 780 ° C. to 880 ° C. Quenching is performed in the range of ° C., and the structure of the annular member is austenitized. Subsequently, after air cooling, water cooling is performed to cool the annular member. Subsequently, tempering is performed in the range of 150 ° C. to 380 ° C. to cure the annular member, and then air cooling is performed. In this way, heat treatment is performed.

続いて、環状部材の旋削加工を行う。この旋削加工は、環状部材に対して刃部を軸方向移動可能に配置した後、ワークである熱処理を施した環状部材を、回転させて、刃部を軸方向に移動させて、内輪３の外周面に相当する面およびそれ以外の周面を旋削加工する。続いて、軌道面の軸方向断面に沿って揺動する砥石に対して、環状部材を回転して、内輪３の外周面における軌道面１４,１５に相当する部分の軌道面の研磨をそれぞれ行う。   Subsequently, the annular member is turned. In this turning process, the blade portion is arranged so as to be movable in the axial direction with respect to the annular member, and then the annular member subjected to heat treatment as a workpiece is rotated to move the blade portion in the axial direction. A surface corresponding to the outer peripheral surface and other peripheral surfaces are turned. Subsequently, the annular member is rotated with respect to the grindstone that swings along the axial section of the raceway surface, and the raceway surfaces corresponding to the raceway surfaces 14 and 15 on the outer peripheral surface of the inner ring 3 are each polished. .

最後に、環状部材の上記大鍔部２０に相当する部分に砥石を軸方向に揺動させながら径方向に定圧で押し付けることで凹部がなくならないよう隣り合う凹部の間の丘部の頂部を平滑化（回転体摺動面の研磨）する。   Finally, the top of the hill between adjacent recesses is smoothed so that the recess is not lost by pressing the wheel with a constant pressure in the radial direction while swinging the grindstone in the axial direction to the portion corresponding to the large collar portion 20 of the annular member. (Polishing of the sliding surface of the rotating body).

このようにして、上記内輪３を製造する。尚、軌道面の研磨と、大鍔部の外周面の回転体摺動面の研磨との順番は、入れ変わっても良い。また、詳述しないが、外輪は、内輪と同じ材料で製造されている。   In this way, the inner ring 3 is manufactured. Note that the order of the polishing of the raceway surface and the polishing of the rotating body sliding surface of the outer peripheral surface of the large collar portion may be changed. Although not described in detail, the outer ring is made of the same material as the inner ring.

上記第１実施形態の自動調心ころ軸受によれば、回転体である第１および第２保持器８,９の環状部２８,２９が摺動する内輪３の大鍔部２０の外周面（以下、摺動部という）３０は、その摺動部３０に対して研削工具を周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面に研磨をして平滑化されているから、上記摺動部３０に略周方向に延在する凹部（図示せず）を形成することができる。したがって、この凹部に、潤滑剤（潤滑油でもグリースでもどちらでも良い）を取り込むことができ、かつ、上記凹部は、周方向、すなわち、環状部２８,２９の摺動方向に延在しているから、この凹部から上記摺動部３０に径方向に対向する環状部２８,２９の摺動面に、潤滑剤を円滑に供給することができる。したがって、環状部２８,２９の摺動面の摩耗を抑制できて、第１および第２保持器８,９の寿命を長くすることができる。   According to the self-aligning roller bearing of the first embodiment, the outer peripheral surface of the large collar portion 20 of the inner ring 3 on which the annular portions 28 and 29 of the first and second cages 8 and 9 as the rotating bodies slide ( (Hereinafter referred to as the sliding portion) 30 is turned by rotating the grinding tool relative to the sliding portion 30 in the circumferential direction, and the concave portion formed by the turning is left on the rotating body sliding surface. Since the surface is polished and smoothed, a concave portion (not shown) extending in the substantially circumferential direction can be formed in the sliding portion 30. Therefore, lubricant (which can be either lubricating oil or grease) can be taken into this recess, and the recess extends in the circumferential direction, that is, in the sliding direction of the annular portions 28 and 29. Therefore, the lubricant can be smoothly supplied from the concave portion to the sliding surfaces of the annular portions 28 and 29 that are opposed to the sliding portion 30 in the radial direction. Therefore, the wear of the sliding surfaces of the annular portions 28 and 29 can be suppressed, and the life of the first and second cages 8 and 9 can be extended.

また、上記凹部が、周方向、すなわち、環状部２８,２９の摺動方向に延在しているとともに隣り合う凹部の間の丘部の頂部を平滑化しているから、上記摺動部３０に対する回転体の摺動を円滑にすることができる。したがって、環状部２８,２８の径方向の振れを抑制できて、第１および第２保持器８,９の径方向の振れを抑制できる。   Moreover, since the said recessed part is smoothing the top part of the hill part between the circumferential direction, ie, the sliding direction of the annular parts 28 and 29, and between adjacent recessed parts, it is with respect to the said sliding part 30. The sliding of the rotating body can be made smooth. Therefore, the radial shake of the annular portions 28 and 28 can be suppressed, and the radial shake of the first and second cages 8 and 9 can be suppressed.

尚、上記第１実施形態の自動調心ころ軸受では、隣り合う凹部の間の丘部の頂部を平滑化するにあたり回転体摺動面の研磨を施したが、丘部の頂部を平滑化するにあたり回転体摺動面にラップ加工を施してもよい。   In the self-aligning roller bearing of the first embodiment, the rotating body sliding surface is polished to smooth the top of the hill between adjacent recesses, but the top of the hill is smoothed. In this case, lapping may be applied to the sliding surface of the rotating body.

また、上記第１実施形態の自動調心ころ軸受では、第１球面ころ５を第１保持器８で保持すると共に、第２球面ころ６を第２保持器９で保持したが、この発明では、第１球面ころ５および第２球面ころ６を、一体の保持器で保持しても良く、この場合、保持器の中央部に存在する環状部の内周面の摩耗を抑制できる。   In the self-aligning roller bearing of the first embodiment, the first spherical roller 5 is held by the first cage 8 and the second spherical roller 6 is held by the second cage 9. In the present invention, The first spherical roller 5 and the second spherical roller 6 may be held by an integrated cage, and in this case, wear on the inner peripheral surface of the annular portion existing in the central portion of the cage can be suppressed.

また、上記第１実施形態の自動調心ころ軸受では、内外輪の材料として、高炭素クロム軸受鋼、または、マルテンサイト系ステンレス鋼を使用した。しかしながら、この発明では、内外輪の材料として、はだ焼鋼（ＳＣｒ４１５、ＳＣｒ４１５Ｈ、ＳＣｒ４２０、ＳＣｒ４２０Ｈ、ＳＣＭ４１５、ＳＣＭ４１５Ｈ、ＳＣＭ４２０、ＳＣＭ４２０Ｈ、ＳＮＣＭ４２０、ＳＮＣＭ８１５、ＫＣｒ４２５、ＳＡＥ５１２０、ＳＡＥ８６２０、ＳＡＥ８７２０、ＳＡＥ４３２０、ＳＡＥ４３２２Ｓ）を用いても良い。そして、これらの材料に、浸炭または浸炭窒化処理を施した後、焼入れおよび焼き戻しを行って、切削および平滑化前の材料を製造しても良い。   In the self-aligning roller bearing of the first embodiment, high carbon chrome bearing steel or martensitic stainless steel is used as the material for the inner and outer rings. However, in the present invention, bare hardened steel (SCr415, SCr415H, SCr420, SCr420H, SCM415, SCM415H, SCM420, SCM420H, SNCM420, SNCM815, KCr425, SAE5120, SAE8620, SAE8720, SAE4320, SAE4322S) is used as the material for the inner and outer rings. It may be used. And after performing carburization or carbonitriding treatment to these materials, quenching and tempering may be performed to manufacture materials before cutting and smoothing.

（第２実施形態）
図２は、本発明の転がり軸受の第２実施形態の自動調心ころ軸受の軸方向の断面図である。 (Second Embodiment)
FIG. 2 is a sectional view in the axial direction of a self-aligning roller bearing according to a second embodiment of the rolling bearing of the present invention.

第２実施形態の自動調心ころ軸受では、内輪１０３に大鍔部が存在しない一方、第１凸面ころ５と第２凸面ころ６とを、軸方向にガイドする回転体の一例としてのガイドリング１２０が存在する点と、第２凸面ころ５と第２凸面ころ６とが一体型もみ抜き保持器１０８によって保持されている点とが、第１実施形態の自動調心ころ軸受と異なる。   In the self-aligning roller bearing of the second embodiment, the inner ring 103 does not have a large collar portion, while the guide ring as an example of a rotating body that guides the first convex roller 5 and the second convex roller 6 in the axial direction. The self-aligning roller bearing of the first embodiment is different from the self-aligning roller bearing of the first embodiment in that 120 is present and that the second convex roller 5 and the second convex roller 6 are held by the integrated machined cage 108.

第２実施形態の自動調心ころ軸受では、第１実施形態の自動調心ころ軸受の構成部と同一構成部には同一参照番号を付して説明を省略することにする。また、第２実施形態の自動調心ころ軸受では、第１実施形態の自動調心ころ軸受と共通の作用効果および変形例については説明を省略することにし、第１実施形態の自動調心ころ軸受と異なる構成および変形例についてのみ説明を行うことにする。   In the self-aligning roller bearing of the second embodiment, the same reference numerals are given to the same components as those of the self-aligning roller bearing of the first embodiment, and description thereof will be omitted. In the self-aligning roller bearing of the second embodiment, the description of the operation and effect common to the self-aligning roller bearing of the first embodiment is omitted, and the self-aligning roller of the first embodiment is omitted. Only configurations and modifications different from the bearing will be described.

第２実施形態では、図２に示すように、内輪１０３は、第１軌道面１１４と第２軌道面１１５との間に鍔部を有さない一方、第１軌道面１１４の第２軌道面１１５側とは反対側に第１小鍔部１２１を有し、また、第２軌道面１１５の第１軌道面１１４側とは反対側に第２小鍔部１２２を有する構成になっている。   In the second embodiment, as shown in FIG. 2, the inner ring 103 does not have a flange between the first raceway surface 114 and the second raceway surface 115, while the second raceway surface of the first raceway surface 114. The first gavel 121 is provided on the side opposite to the 115 side, and the second gavel 122 is provided on the opposite side of the second raceway surface 115 from the first raceway 114 side.

上記ガイドリング１３０は、第１球面ころ５と第２球面ころ６との間において、内輪１０３の外周面に摺動するようになっている。上記ガイドリング１３０は、第１球面ころ５および第２球面ころ６を軸方向に案内するようになっている。上記保持器１０８は、保持器１０８の軸方向の中央部に環状部を有している。保持器１０８の環状部１５０の内周面は、ガイドリング１２０の外周面によって案内されている。   The guide ring 130 slides on the outer peripheral surface of the inner ring 103 between the first spherical roller 5 and the second spherical roller 6. The guide ring 130 guides the first spherical roller 5 and the second spherical roller 6 in the axial direction. The cage 108 has an annular portion at the center in the axial direction of the cage 108. The inner peripheral surface of the annular portion 150 of the cage 108 is guided by the outer peripheral surface of the guide ring 120.

内輪１０３の外周面における、第１軌道面１１４と第２軌道面１１５との間の部分、別の言葉でいうと、内輪１０３の外周面におけるガイドリング１３０に径方向に対向している部分は、その部分に対して旋削工具を内輪１０３の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化されている。第２実施形態では、このようにして、回転体であるガイドリング１２０の内周面の摩耗を抑制する共に、ガイドリング１２０の径方向の振れを抑制するようにしている。   The portion of the outer peripheral surface of the inner ring 103 between the first raceway surface 114 and the second raceway surface 115, in other words, the portion of the outer peripheral surface of the inner ring 103 facing the guide ring 130 in the radial direction is The turning tool is turned by rotating the turning tool relative to the circumferential direction of the inner ring 103, and the rotating body sliding surface is smoothed by polishing or lapping so as to leave a recess formed by the turning. Yes. In the second embodiment, in this way, the wear of the inner peripheral surface of the guide ring 120 that is a rotating body is suppressed, and the vibration of the guide ring 120 in the radial direction is suppressed.

（第３実施形態）
図３は、本発明の転がり軸受の第３実施形態の玉軸受の軸方向の断面図である。 (Third embodiment)
FIG. 3 is a sectional view in the axial direction of a ball bearing according to a third embodiment of the rolling bearing of the present invention.

この玉軸受は、外輪３０１、内輪３０２、転動体の一例としての複数の玉３０３および回転体の一例としての保持器３０４を備える。   This ball bearing includes an outer ring 301, an inner ring 302, a plurality of balls 303 as an example of a rolling element, and a cage 304 as an example of a rotating body.

上記外輪３０１は、深溝型の軌道溝３１１を有し、内輪３０２は、深溝型の軌道溝３１２を有している。上記複数の玉３０３は、外輪３０１の軌道溝３１１と、内輪３０２の軌道溝３１２との間に、保持器３０４によって保持された状態で、周方向に互いに間隔をおいて配置されている。上記保持器３０４は、第１環状部３５０と、第２環状部３６０と、複数の柱部（図示せず）とを有し、柱部は、第１環状部３５０と、第２環状部３６０とを連結している。上記複数の柱部は、第１環状部３５０の周方向に互いに間隔をおいて存在している。   The outer ring 301 has a deep groove type raceway groove 311, and the inner ring 302 has a deep groove type raceway groove 312. The plurality of balls 303 are arranged at intervals in the circumferential direction between the raceway groove 311 of the outer ring 301 and the raceway groove 312 of the inner ring 302 while being held by the cage 304. The cage 304 has a first annular portion 350, a second annular portion 360, and a plurality of pillar portions (not shown). The pillar portions are the first annular portion 350 and the second annular portion 360. Are linked. The plurality of column portions are spaced apart from each other in the circumferential direction of the first annular portion 350.

上記第１環状部３５０の内周面は、内輪３０２の軌道溝３１２の軸方向の一方の側の第１肩部の外周面３４１に摺動する一方、第２環状部３６０の内周面は、内輪３０２の軌道溝３１２の軸方向の他方の側の第２肩部の外周面３４２に摺動するようになっている。   The inner peripheral surface of the first annular portion 350 slides on the outer peripheral surface 341 of the first shoulder on one side of the raceway groove 312 of the inner ring 302, while the inner peripheral surface of the second annular portion 360 is The inner race 302 slides on the outer peripheral surface 342 of the second shoulder on the other side in the axial direction of the raceway groove 312.

換言すると、上記第１肩部の外周面３４１は、第１環状部３５０の内周面を案内する一方、上記第２肩部の外周面３４２は、第２環状部３６０の内周面を案内するようになっている。   In other words, the outer peripheral surface 341 of the first shoulder portion guides the inner peripheral surface of the first annular portion 350, while the outer peripheral surface 342 of the second shoulder portion guides the inner peripheral surface of the second annular portion 360. It is supposed to be.

上記第１肩部の外周面３４１は、その外周面３４１に対して旋削工具を外周面３４１の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化されている。また、上記第２肩部の外周面３４２は、その外周面３４２に対して旋削工具を外周面３４２の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化されている。   The outer peripheral surface 341 of the first shoulder is turned by rotating a turning tool relative to the outer peripheral surface 341 in the circumferential direction of the outer peripheral surface 341 so as to leave a recess formed by the turning. The sliding surface is smoothed by polishing or lapping. Further, the outer peripheral surface 342 of the second shoulder is turned by rotating the turning tool relative to the outer peripheral surface 342 in the circumferential direction of the outer peripheral surface 342 so as to leave a recess formed by the turning. It is smoothed by polishing or lapping the sliding surface of the rotating body.

第３実施形態では、このようにして、第１環状部３５０および第２環状部３６０の摩耗を抑制すると共に、保持器３０４の径方向の振れを抑制するようにしている。   In the third embodiment, wear of the first annular portion 350 and the second annular portion 360 is suppressed in this manner, and the radial deflection of the cage 304 is suppressed.

尚、上記第３実施形態の玉軸受では、保持器として、二つの環状部と、その二つの環状部の間を連結する柱部を有する保持器３０４を使用した。しかしながら、この発明では、保持器として、環状部を一つのみしか有さない所謂冠形の保持器を採用しても良く、この場合において、その一つの環状部に径方向に対向する内輪の外周面に、その外周面に対して旋削工具を外周面の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施しても良い。   In the ball bearing of the third embodiment, a cage 304 having two annular portions and a column portion connecting between the two annular portions is used as the cage. However, in the present invention, a so-called crown-shaped cage having only one annular portion may be adopted as the cage, and in this case, the inner ring radially opposed to the one annular portion is used. The outer peripheral surface is turned by rotating the turning tool relative to the outer peripheral surface in the circumferential direction of the outer peripheral surface, and the rotating body sliding surface is polished or lapped so as to leave a recess formed by the turning. Smoothing may be performed.

尚、上記第１乃至第３実施形態の転がり軸受では、回転体である保持器８,９,やガイドリング１２０は、内輪３,１０３,３０２の外周面に摺動していた。しかしながら、この発明の転がり軸受では、回転体は、次に示す第４実施形態のように、外輪の内周面に摺動しても良い。   In the rolling bearings of the first to third embodiments, the cages 8, 9, and the guide ring 120, which are rotating bodies, slide on the outer peripheral surfaces of the inner rings 3, 103, 302. However, in the rolling bearing of the present invention, the rotating body may slide on the inner peripheral surface of the outer ring as in the fourth embodiment shown below.

図４は、本発明の転がり軸受の第４実施形態の円筒ころ軸受の軸方向の断面図である。   FIG. 4 is a sectional view in the axial direction of a cylindrical roller bearing according to a fourth embodiment of the rolling bearing of the present invention.

この円筒ころ軸受は、外輪４０１、内輪４０２、転動体の一例としての複数の円筒ころ４０３および回転体の一例としての保持器４０４を備える。   This cylindrical roller bearing includes an outer ring 401, an inner ring 402, a plurality of cylindrical rollers 403 as an example of a rolling element, and a cage 404 as an example of a rotating body.

上記外輪４０１は、円筒軌道面４１１を有し、内輪４０２は、円筒軌道面４１２を有している。上記複数の円筒ころ４０３は、外輪４０１の円筒軌道面４１１と、内輪４０２の円筒軌道面４１２との間に、保持器４０４によって保持された状態で、周方向に互いに間隔をおいて配置されている。上記保持器４０４は、第１環状部４５０と、第２環状部４６０と、複数の柱部（図示せず）とを有し、柱部は、第１環状部４５０と、第２環状部４６０とを連結している。上記複数の柱部は、第１環状部４５０の周方向に互いに間隔をおいて存在している。   The outer ring 401 has a cylindrical raceway surface 411, and the inner ring 402 has a cylindrical raceway surface 412. The plurality of cylindrical rollers 403 are disposed between the cylindrical raceway surface 411 of the outer ring 401 and the cylindrical raceway surface 412 of the inner ring 402 and are spaced apart from each other in the circumferential direction while being held by the cage 404. Yes. The cage 404 includes a first annular portion 450, a second annular portion 460, and a plurality of pillar portions (not shown). The pillar portions are the first annular portion 450 and the second annular portion 460. Are linked. The plurality of column portions are spaced from each other in the circumferential direction of the first annular portion 450.

上記第１環状部４５０の外周面は、外輪４０１の円筒軌道面４１１の軸方向の一方の側の第１肩部の内周面４４１に摺動する一方、第２環状部４６０の外周面は、外輪４０１の円筒軌道面４１１の軸方向の他方の側の第２肩部の外周面４４２に摺動するようになっている。   The outer peripheral surface of the first annular portion 450 slides on the inner peripheral surface 441 of the first shoulder on one side of the cylindrical raceway surface 411 of the outer ring 401, while the outer peripheral surface of the second annular portion 460 is The outer ring 401 slides on the outer peripheral surface 442 of the second shoulder portion on the other side in the axial direction of the cylindrical raceway surface 411.

換言すると、上記第１肩部の内周面４４１は、第１環状部４５０の外周面を案内する一方、上記第２肩部の内周面４４２は、第２環状部４６０の外周面を案内するようになっている。   In other words, the inner peripheral surface 441 of the first shoulder portion guides the outer peripheral surface of the first annular portion 450, while the inner peripheral surface 442 of the second shoulder portion guides the outer peripheral surface of the second annular portion 460. It is supposed to be.

上記第１肩部の内周面４４１は、その内周面４４１に対して旋削工具を内周面４４１の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化されている。また、上記第２肩部の内周面４４２は、その内周面４４２に対して旋削工具を内周面４４２の周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化されている。   The inner peripheral surface 441 of the first shoulder portion is turned by rotating a turning tool relative to the inner peripheral surface 441 in the circumferential direction of the inner peripheral surface 441, leaving a recess formed by the turning. The rotating surface of the rotating body is smoothed by polishing or lapping. Further, the inner peripheral surface 442 of the second shoulder portion is turned by rotating a turning tool relative to the inner peripheral surface 442 in the circumferential direction of the inner peripheral surface 442, and a recess formed by the turning processing. It is smoothed by polishing or lapping the sliding surface of the rotating body so as to leave.

第３実施形態では、このようにして、第１環状部４５０および第２環状部４６０の摩耗を抑制すると共に、保持器４０４の径方向の振れを抑制するようにしている。   In the third embodiment, the wear of the first annular portion 450 and the second annular portion 460 is suppressed in this way, and the radial shake of the cage 404 is suppressed.

上記第４実施形態では、単列の円筒ころ軸受において、保持器の環状部を案内する外輪の内周面に、旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施した。しかしながら、この発明では、単列または複列の円筒ころ軸受において、回転体（保持器、ガイドリング等）が摺動する軌道輪（外輪および内輪のうちの少なくとも一方）の周面（外周面および内周面のうちの少なくとも一方）に、その周面に旋削工具をその周面の周方向に相対移動させて、旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施しても良い。また、単列または複列の玉軸受において、回転体（保持器、ガイドリング等）が摺動する軌道輪（外輪および内輪のうちの少なくとも一方）の周面（外周面および内周面のうちの少なくとも一方）に、その周面に旋削工具をその周面の周方向に相対移動させて、旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施しても良い。また、単列または複列の円錐ころ軸受において、回転体（保持器、ガイドリング等）が摺動する軌道輪（外輪および内輪のうちの少なくとも一方）の周面（外周面および内周面のうちの少なくとも一方）に、その周面に旋削工具をその周面の周方向に相対移動させて、旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施しても良い。   In the fourth embodiment, in the single-row cylindrical roller bearing, the rotating body sliding surface is polished or lapped so as to leave a recess formed by turning on the inner peripheral surface of the outer ring that guides the annular portion of the cage. Was smoothed. However, according to the present invention, in the single row or double row cylindrical roller bearing, the peripheral surface (the outer peripheral surface and the outer ring and the inner ring) of the race ring (at least one of the outer ring and the inner ring) on which the rotating body (the cage, the guide ring, etc.) slides. At least one of the inner peripheral surfaces), by rotating the turning tool on the peripheral surface in the circumferential direction of the peripheral surface, polishing or lapping the rotating body sliding surface so as to leave a recess formed by turning Smoothing may be performed. Further, in a single row or double row ball bearing, the peripheral surface (at least one of the outer ring and the inner ring) of the race ring (at least one of the outer ring and the inner ring) on which the rotating body (cage, guide ring, etc.) slides. At least one of them), by moving the turning tool relative to the peripheral surface in the circumferential direction of the peripheral surface, and smoothing it by polishing or lapping the sliding surface of the rotating body so as to leave a recess formed by turning. May be. Further, in a single row or double row tapered roller bearing, the peripheral surface (outer peripheral surface and inner peripheral surface) of a raceway (at least one of an outer ring and an inner ring) on which a rotating body (cage, guide ring, etc.) slides. At least one of them), the turning tool is moved relative to the peripheral surface in the circumferential direction of the peripheral surface, and smoothing is performed by polishing or lapping the rotating body sliding surface so as to leave a recess formed by turning. You may give it.

尚、上記第１乃至第４実施形態では、回転体が摺動する軌道輪の周面に、旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施した。しかしながら、この発明では、回転体が摺動する軌道輪の周面に加えて、軌道輪の軌道面以外の箇所の一部または全部に旋削加工により形成された凹部を残すよう回転体摺動面の研磨あるいはラップ加工により平滑化を施しても良いことは、言うまでもない。   In the first to fourth embodiments, the rotating body sliding surface is smoothed or lapped so as to leave a recess formed by turning on the peripheral surface of the raceway on which the rotating body slides. did. However, in this invention, in addition to the peripheral surface of the raceway on which the rotor slides, the rotor slide surface is formed so that a recess formed by turning is left in a part or all of the portion other than the raceway surface of the raceway. Needless to say, the surface may be smoothed by polishing or lapping.

本発明の転がり軸受の第１実施形態の自動調心ころ軸受の軸方向の断面図である。It is sectional drawing of the axial direction of the self-aligning roller bearing of 1st Embodiment of the rolling bearing of this invention. 本発明の転がり軸受の第２実施形態の自動調心ころ軸受の軸方向の断面図である。It is sectional drawing of the axial direction of the self-aligning roller bearing of 2nd Embodiment of the rolling bearing of this invention. 本発明の転がり軸受の第３実施形態の玉軸受の軸方向の断面図である。It is sectional drawing of the axial direction of the ball bearing of 3rd Embodiment of the rolling bearing of this invention. 本発明の転がり軸受の第４実施形態の円筒ころ軸受の軸方向の断面図である。It is sectional drawing of the axial direction of the cylindrical roller bearing of 4th Embodiment of the rolling bearing of this invention.

符号の説明Explanation of symbols

１ 第１外輪
２ 第２外輪
３,１０３,３０２,４０２ 内輪
５ 第１球面ころ
６ 第２球面ころ
８ 第１保持器
９ 第２保持器
２０ 大鍔部
３０ 大鍔部の外周面
１２０ ガイドリング
３０１,４０１ 外輪
３０３ 玉
３０４,４０４ 保持器
４０３ 円筒ころ
４４１ 第１肩部の内周面
４４２ 第２肩部の内周面 DESCRIPTION OF SYMBOLS 1 1st outer ring 2 2nd outer ring 3,103,302,402 Inner ring 5 1st spherical roller 6 2nd spherical roller 8 1st retainer 9 2nd retainer 20 Large collar part 30 Outer peripheral surface of large collar part 120 Guide ring 301,401 Outer ring 303 Ball 304,404 Cage 403 Cylindrical roller 441 Inner peripheral surface of first shoulder 442 Inner peripheral surface of second shoulder

Claims (2)

内周面に軌道面を有する外輪と、
外周面に軌道面を有する内輪と、
上記内輪の上記軌道面と、上記外輪の上記軌道面との間に配置された転動体と、
上記外周面に上記外周面の周方向に摺動する回転体と
を備え、
上記回転体が摺動する上記外周面の部分は、その部分に対して旋削工具を上記周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されていることを特徴とする転がり軸受。 An outer ring having a raceway surface on the inner peripheral surface;
An inner ring having a raceway surface on the outer peripheral surface;
A rolling element disposed between the raceway surface of the inner ring and the raceway surface of the outer ring;
A rotating body that slides in the circumferential direction of the outer peripheral surface on the outer peripheral surface;
The part of the outer peripheral surface on which the rotating body slides is smoothed by turning a turning tool relative to the part in the circumferential direction and leaving a recess formed by the turning process. A rolling bearing characterized by 内周面に軌道面を有する外輪と、
外周面に軌道面を有する内輪と、
上記内輪の上記軌道面と、上記外輪の上記軌道面との間に配置された転動体と、
上記内周面に上記内周面の周方向に摺動する回転体と
を備え、
上記回転体が摺動する上記内周面の部分は、その部分に対して旋削工具を上記周方向に相対回転させることにより旋削加工し、その旋削加工により形成された凹部を残すよう平滑化されていることを特徴とする転がり軸受。 An outer ring having a raceway surface on the inner peripheral surface;
An inner ring having a raceway surface on the outer peripheral surface;
A rolling element disposed between the raceway surface of the inner ring and the raceway surface of the outer ring;
A rotating body that slides in the circumferential direction of the inner peripheral surface on the inner peripheral surface;
The portion of the inner peripheral surface on which the rotating body slides is smoothed by turning a turning tool relative to the portion in the circumferential direction so as to leave a recess formed by the turning. A rolling bearing characterized by
JP2008188535A 2008-07-22 2008-07-22 Rolling bearing Expired - Fee Related JP5211907B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018162799A (en) * 2017-03-24 2018-10-18 オークマ株式会社 Bearing lubrication structure of rotary device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0656520U (en) * 1993-01-19 1994-08-05 光洋精工株式会社 Rolling bearing
JPH06229423A (en) * 1993-01-29 1994-08-16 Ntn Corp Solid lubricating rolling bearing
JPH0673444U (en) * 1993-03-30 1994-10-18 エヌティエヌ株式会社 Rolling bearing
JPH074429A (en) * 1993-06-18 1995-01-10 Nippon Seiko Kk Rolling bearing
JPH09151946A (en) * 1995-09-29 1997-06-10 Ntn Corp Roller bearing
JP2003113843A (en) * 2001-10-05 2003-04-18 Nsk Ltd Roller bearing and manufacturing method thereof
JP2005048810A (en) * 2003-07-30 2005-02-24 Nsk Ltd Thrust roller bearing and its manufacturing method
JP2006071031A (en) * 2004-09-03 2006-03-16 Ntn Corp Automatic aligning roller bearing
JP2006077905A (en) * 2004-09-10 2006-03-23 Nsk Ltd Rolling bearing
JP2006316933A (en) * 2005-05-13 2006-11-24 Ntn Corp Rolling bearing

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0656520U (en) * 1993-01-19 1994-08-05 光洋精工株式会社 Rolling bearing
JPH06229423A (en) * 1993-01-29 1994-08-16 Ntn Corp Solid lubricating rolling bearing
JPH0673444U (en) * 1993-03-30 1994-10-18 エヌティエヌ株式会社 Rolling bearing
JPH074429A (en) * 1993-06-18 1995-01-10 Nippon Seiko Kk Rolling bearing
JPH09151946A (en) * 1995-09-29 1997-06-10 Ntn Corp Roller bearing
JP2003113843A (en) * 2001-10-05 2003-04-18 Nsk Ltd Roller bearing and manufacturing method thereof
JP2005048810A (en) * 2003-07-30 2005-02-24 Nsk Ltd Thrust roller bearing and its manufacturing method
JP2006071031A (en) * 2004-09-03 2006-03-16 Ntn Corp Automatic aligning roller bearing
JP2006077905A (en) * 2004-09-10 2006-03-23 Nsk Ltd Rolling bearing
JP2006316933A (en) * 2005-05-13 2006-11-24 Ntn Corp Rolling bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018162799A (en) * 2017-03-24 2018-10-18 オークマ株式会社 Bearing lubrication structure of rotary device

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