JPH0874858A - Roller for roller bearing and its working method - Google Patents
Roller for roller bearing and its working methodInfo
- Publication number
- JPH0874858A JPH0874858A JP20646494A JP20646494A JPH0874858A JP H0874858 A JPH0874858 A JP H0874858A JP 20646494 A JP20646494 A JP 20646494A JP 20646494 A JP20646494 A JP 20646494A JP H0874858 A JPH0874858 A JP H0874858A
- Authority
- JP
- Japan
- Prior art keywords
- grinding
- roller
- outer diameter
- end surface
- chamfered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動調心ころ軸受、円
錐ころ軸受等のころ軸受に組み込まれるころ及びその加
工方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller incorporated in a roller bearing such as a self-aligning roller bearing, a tapered roller bearing and the like, and a method for machining the same.
【０００２】[0002]
【従来の技術】ころ軸受の一例として、図３に、自動調
心ころ軸受を示す。この自動調心ころ軸受は、内輪２に
一体に設けられた中つば２ａによってころ３’を接触案
内する形式のもので、球面軌道の外輪１、複列軌道の内
輪２、内・外輪１、２間に介在する複数のたる形のころ
３’、ころ３’を円周等間隔に保持する保持器４で構成
される。2. Description of the Related Art FIG. 3 shows a spherical roller bearing as an example of a roller bearing. This self-aligning roller bearing is of a type in which a roller 3'is contact-guided by an inner collar 2a provided integrally with an inner ring 2, an outer ring 1 having a spherical raceway, an inner ring 2 having a double-row raceway, an inner / outer ring 1, It is composed of a plurality of barrel-shaped rollers 3 ′ interposed between two rollers and a cage 4 for holding the rollers 3 ′ at equal intervals around the circumference.
【０００３】内・外輪１、２間に組み込まれるころ３’
は、図４に拡大して示すように、軸受中心側の端面が大
径（大端面３’ｂ）、軸受端部側の端面が小径（小端面
３’ｃ）であり、そのため、ころ３’は軌道から軸受中
心側に向かう力を受け、大端面３’ｂを、内輪２の中つ
ば２ａによって接触案内されながら転動する。ころ３’
の外径面３’ａは外輪１の軌道面に対応した曲率を有す
る球面、大端面３’ｂは外径面３’ａよりも大きな曲率
を有する球面、小端面３’ｃはストレート面である。A roller 3'installed between the inner and outer rings 1, 2
4, the end face on the bearing center side has a large diameter (large end face 3'b) and the end face on the bearing end side has a small diameter (small end face 3'c), as shown in the enlarged view of FIG. ′ Receives a force from the raceway toward the bearing center side, and rolls on the large end surface 3′b while being contact-guided by the middle collar 2a of the inner ring 2. Around 3 '
Is a spherical surface having a curvature corresponding to the raceway surface of the outer ring 1, a large end surface 3'b is a spherical surface having a larger curvature than the outer diameter surface 3'a, and a small end surface 3'c is a straight surface. is there.
【０００４】大端面３’ｂを球面とするのは、中つば
２’ａとの接触による滑り摩擦を軽減する等の理由から
である。また、外径面３’ａと大端面３’ｂとの境界、
外径面３’ａと小端面３’ｃとの境界は、エッジロード
を防止する等の理由から、面取アール部Ｒｂ’、Ｒｃ’
が施されている。尚、同図には、大端面３’ｂと小端面
３’ｃとの径差を実際よりも誇張して示してある。The reason why the large end surface 3'b is a spherical surface is to reduce sliding friction due to contact with the middle collar 2'a. In addition, the boundary between the outer diameter surface 3'a and the large end surface 3'b,
The boundary between the outer diameter surface 3′a and the small end surface 3′c has chamfered rounded portions Rb ′ and Rc ′ for the purpose of preventing edge loading.
Is given. In the figure, the diameter difference between the large end surface 3'b and the small end surface 3'c is exaggerated from the actual size.
【０００５】従来、上記のようなころ３’を加工する場
合、面取アール部Ｒｂ’を旋削にて成形し、外径面３’
ａおよび大端面３’ｂを研削にて成形した後、図５に拡
大して示す外径面３’ａと面取アール部Ｒｂ’との境界
部分Ｅ１、及び、大端面３’ｂと面取アール部Ｒｂ’と
の境界部分Ｅ２をタンブラーにて成形する方法が採られ
ていた。Conventionally, when the roller 3'as described above is machined, the chamfered rounded portion Rb 'is formed by turning to obtain the outer diameter surface 3'.
After the a and the large end surface 3'b are formed by grinding, the boundary portion E1 between the outer diameter surface 3'a and the chamfered rounded portion Rb ', which is enlarged and shown in FIG. 5, and the large end surface 3'b and the surface A method of forming the boundary portion E2 with the rounded curved portion Rb ′ by a tumbler has been adopted.
【０００６】[0006]
【発明が解決しようとする課題】従来の加工方法によれ
ば、図６に拡大して示すように、境界部分Ｅ１、Ｅ２に
エッジ（Ｅ１ａ、Ｅ１ｂ、Ｅ２ａ、Ｅ２ｂ）が残り、こ
ろ３’の組み込みの際、境界部分Ｅ１のエッジ（Ｅ１
ａ、Ｅ１ｂ）によって内輪２の軌道面にきずをつけるお
それがあった。また、軸受の回転時、境界部分Ｅ２のエ
ッジ（Ｅ２ａ、Ｅ２ｂ）によって中つば２ａとの接触部
における油膜が切れ易くなる心配もあった。さらに、従
来の加工方法によれば、外径面３’ａの研削と大端面
３’ｂの研削とを別工程で行なう必要があり、しかも、
研削完了後にタンブラー加工を行なうため、加工工程が
複雑化し、工程管理面から改善の余地があった。According to the conventional processing method, as shown in the enlarged view of FIG. 6, the edges (E1a, E1b, E2a, E2b) remain at the boundary portions E1, E2, and the rollers 3 ' At the time of assembling, the edge of the boundary portion E1 (E1
There is a risk that the raceway surface of the inner ring 2 may be damaged by a, E1b). Further, when the bearing is rotated, there is a concern that the oil film at the contact portion with the middle collar 2a may be easily broken by the edges (E2a, E2b) of the boundary portion E2. Further, according to the conventional processing method, it is necessary to perform grinding of the outer diameter surface 3'a and grinding of the large end surface 3'b in separate steps, and
Since the tumbler process is performed after the completion of grinding, the process steps are complicated and there is room for improvement in terms of process control.
【０００７】そこで、本発明は、上記のような問題点を
解消し、ころ軸受の品質向上、加工工程の簡略化を図る
ことをその目的とする。Therefore, an object of the present invention is to solve the above problems, improve the quality of the roller bearing, and simplify the working process.
【０００８】[0008]
【課題を解決するための手段】本発明のころ軸受用ころ
は、外径面と端面との境界に面取アール部を有するころ
軸受用ころにおいて、外径面と面取アール部とを第１ア
ール部で滑らかに連続させ、端面と面取アール部とを第
２アール部で滑らかに連続させたものである。請求項２
の発明は、上記のころ軸受用ころの加工方法に関するも
ので、ころの外径面を研削する外径研削部と、ころの端
面を研削する端面研削部と、ころの面取アール部を研削
する面取研削部と、外径研削部と面取研削部とをころの
第１アール部に対応した曲率で滑らかに連続させる第１
アール研削部と、端面研削部と面取研削部とをころの第
２アール部に対応した曲率で滑らかに連続させる第２ア
ール研削部とを有する研削砥石を用いて、ころの外径
面、端面、面取りアール部を同時研削するものである。A roller bearing roller according to the present invention is a roller bearing roller having a chamfered rounded portion at a boundary between an outer diameter surface and an end surface. The first rounded portion is smoothly continuous, and the end face and the chamfered rounded portion are smoothly continuous at the second rounded portion. Claim 2
The present invention relates to a method for processing a roller for a roller bearing as described above, including an outer diameter grinding section for grinding the outer diameter surface of the roller, an end surface grinding section for grinding the end surface of the roller, and a chamfered rounded section for the roller. A chamfering grinding portion, and an outer diameter grinding portion and a chamfering grinding portion are smoothly continuous with a curvature corresponding to the first radius portion of the roller.
An outer diameter surface of the roller is obtained by using a grinding wheel having a radius grinding part and a second radius grinding part that smoothly connects the end surface grinding part and the chamfering grinding part with a curvature corresponding to the second radius part of the roller. The end surface and the chamfered rounded portion are simultaneously ground.
【０００９】請求項３の発明は、上記のころ軸受用ころ
の加工方法に使用する研削砥石に関するので、ころの外
径面を研削する外径研削部と、ころの端面を研削する端
面研削部と、ころの面取アール部を研削する面取研削部
と、外径研削部と面取研削部とをころの第１アール部に
対応した曲率で滑らかに連続させる第１アール研削部
と、端面研削部と面取研削部とをころの第２アール部に
対応した曲率で滑らかに連続させる第２アール研削部と
を有するものである。Since the invention of claim 3 relates to a grinding wheel used in the method for processing a roller for a roller bearing, an outer diameter grinding portion for grinding the outer diameter surface of the roller and an end surface grinding portion for grinding the end surface of the roller. A chamfering grinding part for grinding the chamfered rounded part of the roller, and a first rounded grinding part for smoothly continuing the outer diameter grinding part and the chamfered grinding part with a curvature corresponding to the first rounded part of the roller, The end surface grinding portion and the chamfering grinding portion have a second rounded grinding portion that smoothly continues with a curvature corresponding to the second rounded portion of the roller.
【００１０】[0010]
【作用】本発明のころ軸受用ころは、外径面と面取アー
ル部とが第１アール部を介して滑らかに連続し、端面と
面取アール部とが第２アール部を介して滑らかに連続し
た形状をなし、面取アール部との境界部分にエッジが残
存していない。In the roller for the roller bearing of the present invention, the outer diameter surface and the chamfered rounded portion are smoothly continuous through the first rounded portion, and the end surface and the chamfered rounded portion are smooth through the second rounded portion. Has a continuous shape, and no edge remains at the boundary with the chamfered radius.
【００１１】外径研削部、端面研削部、面取研削部、第
１アール研削部、第２アール研削部を有する研削砥石を
用いて、ころの外径面、端面、面取りアール部を同時研
削することにより、上記形状のころを精度良く加工する
ことができる（従来のタンブラー加工によれば、面取ア
ール部との境界部分を高精度に仕上げることは困難であ
る。）。また、外径面の研削と大端面の研削とを同一工
程で行なうことができ、しかも、研削完了後のタンブラ
ー加工が不要になるため、加工工程を簡略化することが
できる。Simultaneous grinding of the outer diameter surface, the end surface and the chamfered rounded portion of the roller by using a grinding wheel having an outer diameter grinding portion, an end surface grinding portion, a chamfering grinding portion, a first rounded grinding portion and a second rounded grinding portion. By doing so, it is possible to accurately process the roller having the above-mentioned shape (it is difficult to finish the boundary portion with the chamfered rounded portion with high accuracy by the conventional tumbler processing). Further, the grinding of the outer diameter surface and the grinding of the large end surface can be performed in the same step, and further, the tumbler processing after the completion of the grinding is unnecessary, so that the processing step can be simplified.
【００１２】[0012]
【実施例】以下、本発明の実施例について説明する。Embodiments of the present invention will be described below.
【００１３】図１に示すころ３は、図３に示すような自
動調心ころ軸受に組み込まれるものである。ころ３の外
径面３ａは図３に示す外輪１の軌道面に対応した曲率を
有する球面、大端面３ｂは外径面３ａよりも大きな曲率
を有する球面、小端面３ｃはストレート面である。外径
面３ａと大端面３ｂとの境界、および、外径面３ａと小
端面３ｃとの境界には、それぞれ、面取アール部Ｒｂ、
Ｒｃが施されている。図１ｂに拡大して示すように、外
径面３ａと大端面３ｂ側の面取アール部Ｒｂとは第１ア
ール部Ｒ１を介して滑らかに連続し、大端面３ｂと面取
アール部Ｒｂとは第２アール部Ｒ２を介して滑らかに連
続している。第１アール部Ｒ１の曲率半径、第２アール
部Ｒ２の曲率半径は、いずれも、ころ３の最大径をＲｏ
として、０．０１Ｒｏ〜０．０４Ｒｏ程度である。The roller 3 shown in FIG. 1 is incorporated in a self-aligning roller bearing as shown in FIG. The outer diameter surface 3a of the roller 3 is a spherical surface having a curvature corresponding to the raceway surface of the outer ring 1 shown in FIG. 3, the large end surface 3b is a spherical surface having a larger curvature than the outer diameter surface 3a, and the small end surface 3c is a straight surface. A chamfered rounded portion Rb is provided at the boundary between the outer diameter surface 3a and the large end surface 3b and a boundary between the outer diameter surface 3a and the small end surface 3c, respectively.
Rc is applied. As enlarged and shown in FIG. 1b, the outer diameter surface 3a and the chamfered rounded portion Rb on the side of the large end surface 3b are smoothly continuous via the first rounded portion R1, and the large end surface 3b and the chamfered rounded portion Rb are connected. Are smoothly continuous via the second rounded portion R2. For the radius of curvature of the first radius portion R1 and the radius of curvature of the second radius portion R2, the maximum diameter of the roller 3 is Ro.
Is about 0.01 Ro to 0.04 Ro.
【００１４】図２は、上記のようなころ３を加工するた
めの研削砥石５を示す。この研削砥石５は、ころ３の外
径面３ａを研削する外径研削部５ａと、大端面３ｂを研
削する大端面研削部５ｂと、面取アール部Ｒｂを研削す
る面取研削部５Ｒｂと、外径研削部５ａと面取研削部５
Ｒｂとを第１アール部Ｒ１に対応した曲率で滑らかに連
続させる第１アール研削部５Ｒ１と、大端面研削部５ｂ
と面取研削部５Ｒｂとを第２アール部Ｒ２に対応した曲
率で滑らかに連続させる第２アール研削部５Ｒ２とを備
えている。外径研削部５ａの軸方向長さはころ３の外径
面３ａの軸方向長さと同程度かそれよりも大きく、大端
面研削部５ｂの半径方向長さはころ３の大端面３ｂの半
径と同程度かそれよりも大きい。FIG. 2 shows a grinding wheel 5 for processing the roller 3 as described above. The grinding wheel 5 includes an outer diameter grinding portion 5a for grinding the outer diameter surface 3a of the roller 3, a large end surface grinding portion 5b for grinding the large end surface 3b, and a chamfering grinding portion 5Rb for grinding the chamfered rounded portion Rb. , Outer diameter grinding section 5a and chamfering grinding section 5
A first R grinding section 5R1 for smoothly continuing Rb with a curvature corresponding to the first R section R1 and a large end surface grinding section 5b
And a second rounded grinding section 5R2 that smoothly connects the chamfered grinding section 5Rb with a curvature corresponding to the second rounded section R2. The axial length of the outer diameter grinding portion 5a is equal to or larger than the axial length of the outer diameter surface 3a of the roller 3, and the radial length of the large end surface grinding portion 5b is the radius of the large end surface 3b of the roller 3. Is about the same as or greater than.
【００１５】上記のような研削砥石５を用いて、前工程
の旋削等により所定形状に成形されてきたころ３の外径
面３ａ、大端面３ｂ、面取アール部Ｒｂを同時研削す
る。従来の加工方法に比べ、加工工程を大幅に簡略化す
ることができる同時に、面取アール部Ｒｂとの境界部分
にエッジが残存しない。研削完了後、外径面３ａ、大端
面３ｂを超仕上にて仕上げる。Using the grinding wheel 5 as described above, the outer diameter surface 3a, the large end surface 3b and the chamfered rounded portion Rb of the roller 3, which has been formed into a predetermined shape by turning in the previous step, are ground simultaneously. Compared with the conventional processing method, the processing process can be greatly simplified, and at the same time, no edge remains at the boundary with the chamfered rounded portion Rb. After the grinding is completed, the outer diameter surface 3a and the large end surface 3b are superfinished.
【００１６】尚、本発明は、自動調心ころ軸受に組み込
まれるたる形ころに限らず、例えば、円すいころ軸受に
組み込まれる円すいころにも同様に適用することができ
る。The present invention is not limited to the barrel roller incorporated in the self-aligning roller bearing, but can be similarly applied to, for example, a tapered roller incorporated in a tapered roller bearing.
【００１７】以上説明したように、本発明のころ軸受用
ころは、外径面と面取アール部とが第１アール部を介し
て滑らかに連続し、端面と面取アール部とが第２アール
部を介して滑らかに連続した形状をなし、従来のころの
ように、面取アール部との境界部分にエッジが残存しな
いので、エッジによる、ころ組み込み時の軌道面損傷、
軸受の回転時の油膜切れの心配が解消され、ころ軸受の
品質向上を図ることができる。As described above, in the roller bearing roller of the present invention, the outer diameter surface and the chamfered rounded portion are smoothly continuous through the first rounded portion, and the end surface and the chamfered rounded portion are the second. It has a smoothly continuous shape through the rounded part, and unlike the conventional roller, the edge does not remain at the boundary with the chamfered rounded part, so the raceway surface damage due to the edge during roller assembly,
It is possible to improve the quality of the roller bearing by eliminating the concern that the oil film will run out when the bearing rotates.
【００１８】また、外径研削部、端面研削部、面取研削
部、第１アール研削部、第２アール研削部を有する研削
砥石を用いて、ころの外径面、端面、面取りアール部を
同時研削することにより、上記形状のころを精度良く加
工することができる。さらに、外径面の研削と大端面の
研削とを同一工程で行なうことができ、しかも、研削完
了後のタンブラー加工が不要になるため、加工工程を大
幅に簡略化することができる。Further, by using a grinding wheel having an outer diameter grinding portion, an end surface grinding portion, a chamfering grinding portion, a first radius grinding portion and a second radius grinding portion, the outer diameter surface, the end surface and the chamfered radius portion of the roller are By simultaneously grinding, the rollers having the above shapes can be accurately processed. Further, the grinding of the outer diameter surface and the grinding of the large end surface can be performed in the same step, and further, the tumbler processing after the completion of grinding is unnecessary, so that the processing steps can be greatly simplified.
【図１】本発明の実施例に係わる自動調心ころ軸受用こ
ろの側面図（図ａ）、図ａにおける大端面側の面取アー
ル部周辺を示す拡大側面図（図ｂ）である。FIG. 1 is a side view (FIG. A) of a roller for a self-aligning roller bearing according to an embodiment of the present invention, and an enlarged side view (FIG. B) showing the chamfered rounded portion on the large end face side in FIG.
【図２】本発明の実施例に係わる研削砥石の断面図（図
ａ）、図ａにおける面取研削部周辺を示す拡大断面図
（図ｂ）である。FIG. 2 is a cross-sectional view (FIG. A) of a grinding wheel according to an embodiment of the present invention, and an enlarged cross-sectional view (FIG. B) showing the periphery of a chamfered grinding portion in FIG.
【図３】自動調心ころ軸受の断面図である。FIG. 3 is a sectional view of a spherical roller bearing.
【図４】従来の自動調心ころ軸受用ころの側面図であ
る。FIG. 4 is a side view of a conventional roller for a self-aligning roller bearing.
【図５】図４における大端面側の面取アール部周辺を示
す拡大側面図である。5 is an enlarged side view showing the vicinity of a chamfered rounded portion on the large end surface side in FIG.
【図６】図５における面取アール部との境界部分を示す
拡大側面図である。6 is an enlarged side view showing a boundary portion with the chamfered rounded portion in FIG.
３ ころ ３ａ 外径面 ３ｂ 大端面 Ｒｂ 面取アール部 Ｒ１ 第１アール部 Ｒ２ 第２アール部 ５ 研削砥石 ５ａ 外径研削部 ５ｂ 大端面研削部 ５Ｒｂ 面取研削部 ５Ｒ１ 第１アール研削部 ５Ｒ２ 第２アール研削部 3 Roller 3a Outer diameter surface 3b Large end surface Rb Chamfered radius portion R1 First radius portion R2 Second radius portion 5 Grinding wheel 5a Outer diameter grinding portion 5b Large end surface grinding portion 5Rb Chamfered grinding portion 5R1 First radius grinding portion 5R2 No. 2 R grinding section
Claims (3)
有するころ軸受用ころにおいて、外径面と面取アール部
とを第１アール部で滑らかに連続させ、端面と面取アー
ル部とを第２アール部で滑らかに連続させたことを特徴
とするころ軸受用ころ。1. A roller bearing roller having a chamfered rounded portion at the boundary between the outer diameter surface and the end surface, wherein the outer diameter surface and the chamfered rounded portion are smoothly continuous at the first rounded portion, and the end surface and the chamfer are chamfered. A roller for a roller bearing, wherein the rounded portion and the second rounded portion are smoothly continuous.
法であって、ころの外径面を研削する外径研削部と、こ
ろの端面を研削する端面研削部と、ころの面取アール部
を研削する面取研削部と、外径研削部と面取研削部とを
ころの第１アール部に対応した曲率で滑らかに連続させ
る第１アール研削部と、端面研削部と面取研削部とをこ
ろの第２アール部に対応した曲率で滑らかに連続させる
第２アール研削部とを有する研削砥石を用いて、ころの
外径面、端面、面取りアール部を同時研削することを特
徴とするころ軸受用ころの加工方法。2. A method of processing a roller for a roller bearing according to claim 1, wherein an outer diameter grinding portion for grinding an outer diameter surface of the roller, an end surface grinding portion for grinding an end surface of the roller, and a chamfering of the roller. A chamfer grinding part for grinding the rounded part, a first round grinding part for smoothly continuing the outer diameter grinding part and the chamfering grinding part with a curvature corresponding to the first round part of the roller, an end face grinding part and a chamfer It is possible to simultaneously grind the outer diameter surface, the end surface, and the chamfered rounded portion of the roller by using a grinding wheel having a second rounded grinding portion that smoothly connects the grinding portion with a curvature corresponding to the second rounded portion of the roller. Characteristic roller bearing roller processing method.
使用する研削砥石であって、ころの外径面を研削する外
径研削部と、ころの端面を研削する端面研削部と、ころ
の面取アール部を研削する面取研削部と、外径研削部と
面取研削部とをころの第１アール部に対応した曲率で滑
らかに連続させる第１アール研削部と、端面研削部と面
取研削部とをころの第２アール部に対応した曲率で滑ら
かに連続させる第２アール研削部とを有することを特徴
とする研削砥石。3. A grinding wheel for use in the method of processing a roller for a roller bearing according to claim 2, wherein an outer diameter grinding section for grinding the outer diameter surface of the roller, and an end surface grinding section for grinding the end surface of the roller are provided. A chamfer grinding part that grinds the chamfered radius part of the roller, a first radius grinding part that smoothly connects the outer diameter grinding part and the chamfering grinding part with a curvature corresponding to the first radius part of the roller, and end face grinding And a chamfering grinding part having a second rounded grinding part that smoothly continues with a curvature corresponding to the second rounded part of the roller.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20646494A JP3539770B2 (en) | 1994-08-31 | 1994-08-31 | Roller for self-aligning roller bearing and its processing method |
| US08/520,438 US5752775A (en) | 1994-08-31 | 1995-08-29 | Roller bearing |
| DE19531965.6A DE19531965C9 (en) | 1994-08-31 | 1995-08-30 | Rolling bearings, in particular roller bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20646494A JP3539770B2 (en) | 1994-08-31 | 1994-08-31 | Roller for self-aligning roller bearing and its processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0874858A true JPH0874858A (en) | 1996-03-19 |
| JP3539770B2 JP3539770B2 (en) | 2004-07-07 |
Family
ID=16523817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20646494A Expired - Fee Related JP3539770B2 (en) | 1994-08-31 | 1994-08-31 | Roller for self-aligning roller bearing and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3539770B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7182676B2 (en) | 2004-03-16 | 2007-02-27 | Nsk Ltd. | Machining apparatus and machining method of work end face, roller and roller bearing |
| JP2008057571A (en) * | 2006-08-29 | 2008-03-13 | Ntn Corp | Roller for rolling bearing and rolling bearing |
| WO2010001706A1 (en) * | 2008-07-01 | 2010-01-07 | Ntn株式会社 | Bearing roller, bearing, and bearing roller processing method |
| JP2014202329A (en) * | 2013-04-09 | 2014-10-27 | Ntn株式会社 | External surface griding method of bearing roller and roller bearing |
-
1994
- 1994-08-31 JP JP20646494A patent/JP3539770B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7182676B2 (en) | 2004-03-16 | 2007-02-27 | Nsk Ltd. | Machining apparatus and machining method of work end face, roller and roller bearing |
| JP2008057571A (en) * | 2006-08-29 | 2008-03-13 | Ntn Corp | Roller for rolling bearing and rolling bearing |
| WO2010001706A1 (en) * | 2008-07-01 | 2010-01-07 | Ntn株式会社 | Bearing roller, bearing, and bearing roller processing method |
| JP2010014154A (en) * | 2008-07-01 | 2010-01-21 | Ntn Corp | Bearing roller, bearing and bearing roller processing method |
| JP2014202329A (en) * | 2013-04-09 | 2014-10-27 | Ntn株式会社 | External surface griding method of bearing roller and roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3539770B2 (en) | 2004-07-07 |
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