JP6267906B2 - 玉軸受用冠型保持器および玉軸受 - Google Patents
玉軸受用冠型保持器および玉軸受 Download PDFInfo
- Publication number
- JP6267906B2 JP6267906B2 JP2013199260A JP2013199260A JP6267906B2 JP 6267906 B2 JP6267906 B2 JP 6267906B2 JP 2013199260 A JP2013199260 A JP 2013199260A JP 2013199260 A JP2013199260 A JP 2013199260A JP 6267906 B2 JP6267906 B2 JP 6267906B2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- ball
- ball bearings
- pair
- 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.)
- Expired - Fee Related
Links
Images
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
- F16C33/66—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
- F16C33/41—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
- 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
- F16C33/418—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
- 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
Description
11 軌道溝
20 内輪
21 軌道溝
30 ボール
40 冠型保持器
41 環状体
42 ポケット爪
43 ポケット
Claims (6)
- 環状体の一側面に対向一対のポケット爪を周方向に間隔をおいて複数設け、その対向一対のポケット爪間のそれぞれにボールの外周に沿うポケットを形成した合成樹脂からなる玉軸受用の冠型保持器において、
前記ポケットの前記ポケット爪間に形成された開口部と軸方向で対向する内面に巻き方向が相違する一対の渦巻き溝を、保持器軸心およびポケット中心線を含む仮想平面を対称面として対称位置に設け、各渦巻き溝の外端が前記ポケットの保持器内径側又は外径側の開口端に位置し、各渦巻き溝の内端が前記ポケットのピッチ円上に位置するように一対の渦巻き溝を形成したことを特徴とする玉軸受用の冠型保持器。 - 前記複数のポケットのそれぞれの保持器周方向で対向する内面に保持器径方向に延びる油溝を設けた請求項1に記載の玉軸受用の冠型保持器。
- 環状体の一側面に対向一対のポケット爪を周方向に間隔をおいて複数設け、その対向一対のポケット爪間のそれぞれにボールの外周に沿うポケットを形成した合成樹脂からなる玉軸受用の冠型保持器において、
前記ポケットの前記ポケット爪間に形成された開口部と軸方向で対向する内面に巻き方向が相違する一対の渦巻き溝を、保持器軸心およびポケット中心線を含む仮想平面を対称面として対称位置に設け、
前記複数のポケットのそれぞれの保持器周方向で対向する内面に保持器径方向に延びる油溝を設け、
前記油溝が、保持器内径側および外径側を広幅とし、ポケット内面の径方向中央に至るに従って幅寸法が次第に小さくなるくさび形からなることを特徴とする玉軸受用の冠型保持器。 - 前記合成樹脂が、ポリアミド46、ポリアミド66、ポリアミド9Tのうちの一種のポリアミド樹脂からなる請求項1乃至3のいずれか1項に記載の玉軸受用の冠型保持器。
- 前記合成樹脂が、ポリエーテルエーテルケトンまたはポリフェニレンサルファイドからなる請求項1乃至3のいずれか1項に記載の玉軸受用の冠型保持器。
- 外輪の内径面に形成された軌道溝と内輪の外径面に形成された軌道溝間に複数のボールを組み込み、その複数のボールを保持器により保持した玉軸受において、
前記保持器が請求項1乃至5のいずれか1項に記載の冠型保持器からなることを特徴とする玉軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013199260A JP6267906B2 (ja) | 2013-09-26 | 2013-09-26 | 玉軸受用冠型保持器および玉軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013199260A JP6267906B2 (ja) | 2013-09-26 | 2013-09-26 | 玉軸受用冠型保持器および玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015064086A JP2015064086A (ja) | 2015-04-09 |
JP6267906B2 true JP6267906B2 (ja) | 2018-01-24 |
Family
ID=52832132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013199260A Expired - Fee Related JP6267906B2 (ja) | 2013-09-26 | 2013-09-26 | 玉軸受用冠型保持器および玉軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6267906B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7050636B2 (ja) * | 2018-09-13 | 2022-04-08 | Ntn株式会社 | 玉軸受 |
CN113339403B (zh) * | 2021-05-26 | 2023-03-14 | 河南科技大学 | 一种脂润滑双向推力圆锥滑动轴承 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4133588A (en) * | 1978-01-06 | 1979-01-09 | Industrial Molding Corporation | Ball separator for ball bearing |
US4225199A (en) * | 1978-09-15 | 1980-09-30 | Earsley Melvin L | Ball separator for ball bearing |
JP2000266060A (ja) * | 1999-03-17 | 2000-09-26 | Nippon Densan Corp | 玉軸受及びこれを備えた記録ディスク駆動用モータ |
JP2003214438A (ja) * | 2001-11-16 | 2003-07-30 | Nsk Ltd | 転がり軸受 |
JP2007155028A (ja) * | 2005-12-06 | 2007-06-21 | Ntn Corp | 転がり軸受および転がり軸受用保持器 |
JP2008232420A (ja) * | 2007-02-19 | 2008-10-02 | Nsk Ltd | ラジアル玉軸受用保持器及びラジアル玉軸受 |
JP2012107674A (ja) * | 2010-11-16 | 2012-06-07 | Ntn Corp | 玉軸受 |
-
2013
- 2013-09-26 JP JP2013199260A patent/JP6267906B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2015064086A (ja) | 2015-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7771122B2 (en) | Cage for rolling bearing and rolling bearing having the same | |
EP2711571A2 (en) | Rolling bearing with lubricant pockets in the raceway | |
JP6481717B2 (ja) | 玉軸受、それを用いたモータ及び主軸装置 | |
JP5894491B2 (ja) | 転がり軸受 | |
JP6234137B2 (ja) | 深みぞ玉軸受 | |
CN103429915A (zh) | 球轴承用保持器及球轴承 | |
EP2390520A2 (en) | Roller bearing | |
JP6267906B2 (ja) | 玉軸受用冠型保持器および玉軸受 | |
JP2015148241A (ja) | 玉軸受用保持器及び玉軸受 | |
WO2019065603A1 (ja) | 玉軸受用保持器及び玉軸受 | |
JP2020041659A (ja) | 玉軸受 | |
JP2017190874A (ja) | 深みぞ玉軸受および軸受装置 | |
JP5376310B2 (ja) | 深みぞ玉軸受用の合成樹脂製保持器および深みぞ玉軸受 | |
JP2015124796A (ja) | 円錐ころ軸受 | |
JP2008232420A (ja) | ラジアル玉軸受用保持器及びラジアル玉軸受 | |
JP5994369B2 (ja) | アンギュラ玉軸受 | |
CN106917824B (zh) | 滚动轴承 | |
JP6191716B2 (ja) | アンギュラ玉軸受 | |
JP2013072451A (ja) | 深みぞ玉軸受および軸受装置 | |
JP2008175239A (ja) | 玉軸受用冠型保持器及び玉軸受 | |
WO2016132914A1 (ja) | 深みぞ玉軸受 | |
JP5764959B2 (ja) | 玉軸受 | |
JP2020153495A (ja) | 転がり軸受用保持器および転がり軸受 | |
JP5082869B2 (ja) | 転がり軸受装置 | |
WO2018225720A1 (ja) | 転がり軸受用保持器および転がり軸受 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160829 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170427 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170523 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170720 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171205 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6267906 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |