JP5724275B2 - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
- Publication number
- JP5724275B2 JP5724275B2 JP2010219181A JP2010219181A JP5724275B2 JP 5724275 B2 JP5724275 B2 JP 5724275B2 JP 2010219181 A JP2010219181 A JP 2010219181A JP 2010219181 A JP2010219181 A JP 2010219181A JP 5724275 B2 JP5724275 B2 JP 5724275B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- cage
- circumferential direction
- bearing
- rolling element
- 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.)
- Active
Links
Classifications
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/46—Gap sizes or clearances
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
O3 ,ZrO2など)を採用してもよい。
13.5mm、接触角:35°、玉径:6.35mm、玉数:80個、玉ピッチ円径:φ192.5(B/H=0.60)、内輪・外輪及び玉の材料を軸受鋼(SUJ2、線膨張係数:12.5×10−6(K−1))を基本とし、冠形保持器(玉案内方式、ポリアミド66、強化材混入なし、線膨張係数:80×10−6(K−1))の構成のみを変更させた場合の、本発明品と従来品のNRROを比較した結果を示している。
11a 内輪軌道面
11 内輪
12a 外輪軌道面
12 外輪
13 転動体
14 切断部
15 保持器
16 シール部材
17 リング部
18 柱部
19 ポケット部
Claims (3)
- 外周面に内輪軌道面を有する内輪と、内周面に外輪軌道面を有する外輪と、前記内輪軌道面と前記外輪軌道面との間に転動自在に設けられた複数の転動体と、円周方向の少なくとも一カ所に切断部が形成され、前記複数の転動体を円周方向に略等間隔で保持する合成樹脂製の保持器と、を備えた転がり軸受において、
前記切断部の相対する切断面の間に前記転動体を挿入し、
軸受の温度上昇や保持器の吸水を考慮した前記切断部の最適すき間をΔLとすると、前記転動体と前記切断面との間のすき間の距離はΔL/2であり、
前記保持器は、リング部と、前記リング部の一端部に周方向に略等間隔で複数箇所軸方向に突設された柱部と、前記柱部間に形成されて前記転動体を周方向に転動可能に保持する複数のポケット部と、を有し、
前記切断部は、円周方向に隣り合う前記ポケット部の間の前記柱部を切断して形成されており、
前記切断面は、平坦面であり、
前記切断面の少なくとも一方に、潤滑剤を溜めるための凹溝部を設け、
前記凹溝部は、前記転動体と前記保持器の接触部からずれた位置に設けられ、且つ、軸方向に開口する形状とされることを特徴とする転がり軸受。 - 前記転動体が、玉であることを特徴とする請求項1に記載の転がり軸受。
- 前記転動体が、円筒ころであることを特徴とする請求項1に記載の転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010219181A JP5724275B2 (ja) | 2010-09-29 | 2010-09-29 | 転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010219181A JP5724275B2 (ja) | 2010-09-29 | 2010-09-29 | 転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012072864A JP2012072864A (ja) | 2012-04-12 |
JP5724275B2 true JP5724275B2 (ja) | 2015-05-27 |
Family
ID=46169244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010219181A Active JP5724275B2 (ja) | 2010-09-29 | 2010-09-29 | 転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5724275B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB869054A (en) * | 1958-08-06 | 1961-05-25 | Schaeffler Wilhelm | Improvements in or relating to needle bearings |
JP2611393B2 (ja) * | 1988-11-28 | 1997-05-21 | 日本精工株式会社 | 固体潤滑の玉軸受 |
JP2003314559A (ja) * | 2002-04-18 | 2003-11-06 | Nsk Ltd | 玉軸受 |
JP2008261482A (ja) * | 2007-03-19 | 2008-10-30 | Nsk Ltd | ラジアル玉軸受用保持器及びラジアル玉軸受 |
JP5034962B2 (ja) * | 2008-01-15 | 2012-09-26 | 日本精工株式会社 | 転がり軸受 |
JP2009174611A (ja) * | 2008-01-23 | 2009-08-06 | Toyota Motor Corp | 転がり軸受 |
-
2010
- 2010-09-29 JP JP2010219181A patent/JP5724275B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2012072864A (ja) | 2012-04-12 |
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