JP6050000B2 - 深みぞ玉軸受および軸受装置 - Google Patents
深みぞ玉軸受および軸受装置 Download PDFInfo
- Publication number
- JP6050000B2 JP6050000B2 JP2012006915A JP2012006915A JP6050000B2 JP 6050000 B2 JP6050000 B2 JP 6050000B2 JP 2012006915 A JP2012006915 A JP 2012006915A JP 2012006915 A JP2012006915 A JP 2012006915A JP 6050000 B2 JP6050000 B2 JP 6050000B2
- Authority
- JP
- Japan
- Prior art keywords
- raceway
- shoulder
- bearing
- ball
- deep groove
- 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
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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
- F16C33/72—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
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- General Details Of Gearings (AREA)
- Sealing Of Bearings (AREA)
Description
12 軌道溝
13a 肩
13b 肩
21 内輪(内方軌道輪)
22 軌道溝
23a 肩
23b 肩
24 シール溝
25 内壁面
26 円筒面(円筒状周面)
27 肩外径面(円筒状周面)
31 ボール
40 保持器
50 シール部材
52 内向きシールリップ
53 外向きシールリップ
60 ヘリカルギヤ
61 シャフト
A 深みぞ玉軸受
Claims (4)
- 内径面に軌道溝を有する外方軌道輪と、外径面に軌道溝を有する内方軌道輪と、外方軌道輪の軌道溝と内方軌道輪の軌道溝間に組込まれたボールと、そのボールを保持する保持器とからなり、前記外方軌道輪における軌道溝の一側の肩と前記内方軌道輪における軌道溝の他側の肩の少なくとも一方の肩の高さを、外方軌道輪の他側の肩と前記内方軌道輪の一側の肩の高さより高くし、その高さの高い肩の肩高さをH1、ボールの球径をdとしたとき、ボールの球径dに対する肩高さH1の比率H1/dを0.25〜0.50の範囲とし、前記外方軌道輪と内方軌道輪の一方が固定側とされ、他方が回転側として使用される深みぞ玉軸受において、
前記外方軌道輪と前記内方軌道輪の対向面間に形成された軸受空間の両端開口部内にシール部材を組込んで固定側の軌道輪で支持し、そのシール部材には回転側の軌道輪に弾性接触して軸受空間の両端開口を密閉するシールリップを設け、そのシールリップの少なくとも先端部を、回転側の軌道輪との接触により摩耗して非接触となるか、または、接触圧が零とみなせる程度の軽接触となる高摩耗材で形成し、前記シールリップが、回転側軌道輪の円筒状周面に弾性接触するラジアル接触とされたことを特徴とする深みぞ玉軸受。 - 前記高摩耗材が、ゴムからなる請求項1に記載の深みぞ玉軸受。
- 前記高摩耗材が、合成樹脂からなる請求項1に記載の深みぞ玉軸受。
- ヘリカルギヤが設けられたシャフトを油浴に一部が浸かる一対の転がり軸受で回転自在に支持した軸受装置において、
前記一対の転がり軸受が、請求項1乃至3のいずれかの項に記載の深みぞ玉軸受からなることを特徴とする軸受装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012006915A JP6050000B2 (ja) | 2012-01-17 | 2012-01-17 | 深みぞ玉軸受および軸受装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012006915A JP6050000B2 (ja) | 2012-01-17 | 2012-01-17 | 深みぞ玉軸受および軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013148115A JP2013148115A (ja) | 2013-08-01 |
JP6050000B2 true JP6050000B2 (ja) | 2016-12-21 |
Family
ID=49045806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012006915A Expired - Fee Related JP6050000B2 (ja) | 2012-01-17 | 2012-01-17 | 深みぞ玉軸受および軸受装置 |
Country Status (1)
Country | Link |
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JP (1) | JP6050000B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103742543B (zh) * | 2013-12-18 | 2017-01-18 | 宁波摩盛轴承有限公司 | 一种轴承密封装置 |
JP2015132288A (ja) * | 2014-01-10 | 2015-07-23 | Ntn株式会社 | 玉軸受 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2566748Y2 (ja) * | 1992-01-31 | 1998-03-30 | 日本精工株式会社 | セルモータ用密封深溝型玉軸受 |
JP2000145795A (ja) * | 1998-11-06 | 2000-05-26 | Ntn Corp | 深みぞ玉軸受 |
JP2003287040A (ja) * | 2002-03-28 | 2003-10-10 | Nsk Ltd | 密封シール付転がり軸受 |
JP2004211862A (ja) * | 2003-01-08 | 2004-07-29 | Koyo Seiko Co Ltd | プーリ支持装置 |
JP5455334B2 (ja) * | 2008-07-09 | 2014-03-26 | Ntn株式会社 | シール付き軸受 |
JP2011007288A (ja) * | 2009-06-26 | 2011-01-13 | Ntn Corp | 深みぞ玉軸受およびギヤ支持装置 |
JP2011127702A (ja) * | 2009-12-18 | 2011-06-30 | Ntn Corp | 転がり軸受 |
JP2011163395A (ja) * | 2010-02-05 | 2011-08-25 | Toyota Motor Corp | オイル供給装置 |
-
2012
- 2012-01-17 JP JP2012006915A patent/JP6050000B2/ja not_active Expired - Fee Related
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JP2013148115A (ja) | 2013-08-01 |
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