JP2012255479A - 玉軸受用保持器および玉軸受 - Google Patents
玉軸受用保持器および玉軸受 Download PDFInfo
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- JP2012255479A JP2012255479A JP2011128331A JP2011128331A JP2012255479A JP 2012255479 A JP2012255479 A JP 2012255479A JP 2011128331 A JP2011128331 A JP 2011128331A JP 2011128331 A JP2011128331 A JP 2011128331A JP 2012255479 A JP2012255479 A JP 2012255479A
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- ball
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Images
Classifications
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
- F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
-
- 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
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
-
- 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
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
- F16C33/3875—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together made from plastic, e.g. two injection moulded parts joined by a snap fit
-
- 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
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7893—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a cage or integral therewith
-
- 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
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/70—Positive connections with complementary interlocking parts
- F16C2226/74—Positive connections with complementary interlocking parts with snap-fit, e.g. by clips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】玉軸受用保持器は樹脂製であり、軸方向に対称である2枚の環状体10の対向面11にボール4を収容する半球状のポケット12を周方向の複数箇所に形成し、対向面11を衝合させて二枚の環状体10,10を結合させたものである。ポケット12の内周面にボール接触面30とボール非接触面31とを設ける。内周面のポケット周方向中央部であって少なくともポケット軸方向中央部にボール接触面30を形成する。ボール非接触面6はボール接触面30よりも反ボール側へ凹む凹部32にて構成される。凹部32は少なくとも一方のポケット軸方向端に開口している。
【選択図】図1
Description
ケット周方向両側に設けられるものであっても、ボール対向面とボールとの間の余分な潤
滑剤を排出できるようにでき、余分なオイルのトルクへの影響を安定して排除できる。
リアミド樹脂等を用いることができ、高品質な保持器を提供できる。
3 外輪
4 ボール
5 保持器
10 環状体
11 対向面
12 ポケット
21 端面
24a 鍔部
24b 鍔部
25 長円形部
26 凹部
30 ボール接触面
31 ボール非接触面
32 凹部
Claims (8)
- 軸方向に向き合う一対の環状体の対向面にボールを収容する半球状のポケットを周方向の複数箇所に有し、この一対の環状体が周方向に重なり合う対称形とされて一体化される樹脂製の玉軸受用保持器であって、
ポケットの内周面にボール接触面とボール非接触面とを設け、内周面のポケット周方向中央部であって少なくともポケット軸方向中央部に前記ボール接触面を形成するとともに、前記ボール非接触面はボール接触面よりも反ボール側へ凹む凹部にて構成され、この凹部は少なくとも一方のポケット軸方向端に開口していることを特徴とする玉軸受用保持器。 - ボール接触面は、ポケットの内周面のポケット周方向中央部におけるポケット軸方向中央部に形成され、ボール非接触面は、このボール接触面のポケット周方向両側に設けられる部位と、軸受外径側のポケット軸方向端側に設けられる部位とからなるコの字状の凹部にて形成されることを特徴とする請求項1に記載の玉軸受用保持器。
- ボール接触面は内周面のポケット周方向中央部であってポケット軸方向両端に達する長円形部にて形成され、ボール非接触面はこのボール接触面のポケット周方向両側に設けられる円弧形状の凹部にて構成されるとともに、両凹部はポケット軸方向両端に開口することを特徴とする請求項1に記載の玉軸受用保持器。
- 環状体の反合わせ側の外径部及び内径部に鍔部を設けたことを特徴とする請求項1〜請求項3のいずれか1項に記載の玉軸受用保持器。
- 環状体の反合わせ側の端面をフラット形状としたことを特徴とする請求項1〜請求項4のいずれか1項に記載の玉軸受用保持器。
- 保持器材料が、ポリアミド樹脂、ポリエーテルエーテルケトン樹脂、ポリフェニレンサルファイド樹脂のいずれかを用いたことを特徴とする請求項1〜請求項5のいずれか1項に記載の玉軸受用保持器。
- 内輪と、外輪と、この内輪と外輪との間に介装されるボールと、このボールを保持する保持器とを備えた玉軸受において、前記保持器に前記請求項1〜請求項6のいずれか1項に記載の玉軸受用保持器を用いたことを特徴とする玉軸受。
- トランスミッションに適用されることを特徴とする請求項7に記載の玉軸受。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011128331A JP5863284B2 (ja) | 2011-06-08 | 2011-06-08 | 玉軸受用保持器および玉軸受 |
EP12785462.8A EP2708767B1 (en) | 2011-05-13 | 2012-04-24 | Retainer for ball bearing, and ball bearing |
US14/114,588 US9103374B2 (en) | 2011-05-13 | 2012-04-24 | Retainer for ball bearing, and ball bearing |
CN201280022986.1A CN103518071B (zh) | 2011-05-13 | 2012-04-24 | 球轴承用保持器及球轴承 |
PCT/JP2012/060967 WO2012157411A1 (ja) | 2011-05-13 | 2012-04-24 | 玉軸受用保持器および玉軸受 |
US14/701,718 US9366292B2 (en) | 2011-05-13 | 2015-05-01 | Retainer for ball bearing, and ball bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011128331A JP5863284B2 (ja) | 2011-06-08 | 2011-06-08 | 玉軸受用保持器および玉軸受 |
Publications (3)
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JP2012255479A true JP2012255479A (ja) | 2012-12-27 |
JP2012255479A5 JP2012255479A5 (ja) | 2014-02-27 |
JP5863284B2 JP5863284B2 (ja) | 2016-02-16 |
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JP2011128331A Active JP5863284B2 (ja) | 2011-05-13 | 2011-06-08 | 玉軸受用保持器および玉軸受 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016114164A (ja) * | 2014-12-16 | 2016-06-23 | Ntn株式会社 | 軸受用保持器 |
JP2016138643A (ja) * | 2015-01-29 | 2016-08-04 | Ntn株式会社 | 玉軸受用波形保持器およびその玉軸受用波形保持器を用いた玉軸受 |
WO2016121562A1 (ja) * | 2015-01-29 | 2016-08-04 | Ntn株式会社 | 玉軸受用保持器およびその玉軸受用保持器を用いた玉軸受 |
WO2016208352A1 (ja) * | 2015-06-22 | 2016-12-29 | Ntn株式会社 | 保持器および深溝玉軸受 |
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US1366312A (en) * | 1919-07-01 | 1921-01-18 | Nordiska Kullager Ab | Parted cage for ball or roller bearings |
JPS59113320A (ja) * | 1982-12-16 | 1984-06-30 | シユタイル−ダイムレル−プ−フ・アクチエンゲゼルシヤフト | 2つの部分から成るころがり軸受け保持器 |
JPH01261516A (ja) * | 1988-04-12 | 1989-10-18 | Nippon Seiko Kk | 玉軸受用保持器 |
JP2006258172A (ja) * | 2005-03-16 | 2006-09-28 | Ntn Corp | 合成樹脂製保持器 |
JP2007040383A (ja) * | 2005-08-02 | 2007-02-15 | Nsk Ltd | 玉軸受用保持器及び玉軸受 |
JP2008115903A (ja) * | 2006-11-01 | 2008-05-22 | Nsk Ltd | 転がり軸受用保持器及び転がり軸受 |
JP2008121817A (ja) * | 2006-11-14 | 2008-05-29 | Jtekt Corp | 転がり軸受用保持器 |
JP2008281196A (ja) * | 2007-04-11 | 2008-11-20 | Ntn Corp | 二輪車減速機用軸受 |
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2011
- 2011-06-08 JP JP2011128331A patent/JP5863284B2/ja active Active
Patent Citations (8)
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JP2008115903A (ja) * | 2006-11-01 | 2008-05-22 | Nsk Ltd | 転がり軸受用保持器及び転がり軸受 |
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JP2008281196A (ja) * | 2007-04-11 | 2008-11-20 | Ntn Corp | 二輪車減速機用軸受 |
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