JPH0312015U - - Google Patents

Info

Publication number
JPH0312015U
JPH0312015U JP1989095081U JP9508189U JPH0312015U JP H0312015 U JPH0312015 U JP H0312015U JP 1989095081 U JP1989095081 U JP 1989095081U JP 9508189 U JP9508189 U JP 9508189U JP H0312015 U JPH0312015 U JP H0312015U
Authority
JP
Japan
Prior art keywords
crowning
roller bearing
crowning surface
curvature
radius
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.)
Pending
Application number
JP1989095081U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989095081U priority Critical patent/JPH0312015U/ja
Publication of JPH0312015U publication Critical patent/JPH0312015U/ja
Pending legal-status Critical Current

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
    • F16C33/34—Rollers; Needles
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
    • 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
    • F16C2240/50—Crowning, e.g. crowning height or crowning radius

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第４図は本考案の一実施例にかか
り、第１図はころの上半部を示す側面図、第２図
は第２クラウニング面の拡大図、第３図ａ〜ｃは
ころの加工手順を示した工程図、第４図は第２ク
ラウニング面の形成手法の一例を示す工程図であ
る。また、第５図及び第６図は本考案の他の実施
例にかかり、第５図は第２図に対応する図、第６
図はころ軸受の軌道輪に二種のクラウニング面を
形成した例を示す上半部の縦断面図である。 １……ころ、２……第１クラウニング面、３…
…第２クラウニング面。 Figures 1 to 4 show an embodiment of the present invention, in which Figure 1 is a side view showing the upper half of the roller, Figure 2 is an enlarged view of the second crowning surface, and Figures 3 a to c are FIG. 4 is a process diagram showing an example of a method for forming the second crowning surface. 5 and 6 relate to other embodiments of the present invention, and FIG. 5 is a diagram corresponding to FIG. 2, and FIG. 6 is a diagram corresponding to FIG.
The figure is a vertical cross-sectional view of the upper half of a roller bearing in which two types of crowning surfaces are formed on the bearing ring. 1... Roll, 2... First crowning surface, 3...
...Second crowning surface.

Claims (1)

【実用新案登録請求の範囲】 (1) 軌道輪もしくはころの少なくとも一方の転
動面の軸方向両端部を除く中間部全長にわたつて
曲率半径の大きい第１クラウニング面が形成され
ているとともに、上記転動面の軸方向両端部には
前記第１クラウニング面に対して滑らかに連なる
第２クラウニング面が形成され、この第２クラウ
ニング面が前記第１クラウニング面の軸方向両側
への延長線よりも内径側に位置するように形成さ
れていることを特徴とするころ軸受。 (2) 前記第２クラウニング面が、前記第１クラ
ウニング面よりも小さな曲率半径を有する部分円
弧面からなる請求項第１項に記載のころ軸受。 (3) 前記第２クラウニング面が、軸心に対して
傾斜するテーパ面と、このテーパ面と前記第１ク
ラウニング面とを滑らかに連接させるような曲率
半径を有する部分円弧面とからなる請求項第１項
に記載のころ軸受。[Claims for Utility Model Registration] (1) A first crowning surface with a large radius of curvature is formed over the entire length of the intermediate portion of at least one of the raceway rings or rollers, excluding both ends in the axial direction, and A second crowning surface is formed at both ends of the rolling surface in the axial direction, and the second crowning surface is connected smoothly to the first crowning surface. A roller bearing characterized in that the roller bearing is formed so that the inner diameter side is also located on the inner diameter side. (2) The roller bearing according to claim 1, wherein the second crowning surface is a partially arcuate surface having a smaller radius of curvature than the first crowning surface. (3) Claim in which the second crowning surface comprises a tapered surface inclined with respect to the axis, and a partially arcuate surface having a radius of curvature that smoothly connects the tapered surface and the first crowning surface. The roller bearing described in paragraph 1.
JP1989095081U 1988-08-10 1989-08-10 Pending JPH0312015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989095081U JPH0312015U (en) 1988-08-10 1989-08-10

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10615688 1988-08-10
JP1989095081U JPH0312015U (en) 1988-08-10 1989-08-10

Publications (1)

Publication Number Publication Date
JPH0312015U true JPH0312015U (en) 1991-02-07

Family

ID=31718690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989095081U Pending JPH0312015U (en) 1988-08-10 1989-08-10

Country Status (1)

Country Link
JP (1) JPH0312015U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10042901C2 (en) * 1999-08-31 2002-03-21 Nsk Ltd roller bearing
DE10045773C2 (en) * 1999-09-16 2002-11-07 Nsk Ltd Tokio Cylindrical rolling contact element
WO2005080813A1 (en) * 2004-02-19 2005-09-01 Jtekt Corporation Tapered roller bearing
WO2005100809A1 (en) * 2004-04-14 2005-10-27 Jtekt Corporation Tapered roller bearing, tapered roller bearing device, and pinion shaft supporting device for vehicle, using the tapered roller bearing device
JPWO2004092603A1 (en) * 2003-04-16 2006-07-06 日本精工株式会社 Roller bearing for belt type continuously variable transmission
DE19531965B4 (en) * 1994-08-31 2008-10-16 Ntn Corp. Rolling bearings, in particular roller bearings
JP2010042423A (en) * 2008-08-11 2010-02-25 Ntn Corp Back-up roll device
WO2010122955A1 (en) * 2009-04-24 2010-10-28 Ntn株式会社 Tapered roller bearing and method of designing same
JP2016533466A (en) * 2014-04-08 2016-10-27 エヌアールビー ベアリングス リミテッド Improved roller bearing with enhanced stress bearing capacity
WO2022149523A1 (en) * 2021-01-06 2022-07-14 Ntn株式会社 Cross roller bearing
JPWO2023238364A1 (en) * 2022-06-10 2023-12-14

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19531965C9 (en) * 1994-08-31 2014-03-20 Ntn Corp. Rolling bearings, in particular roller bearings
DE19531965B4 (en) * 1994-08-31 2008-10-16 Ntn Corp. Rolling bearings, in particular roller bearings
US6390685B1 (en) 1999-08-31 2002-05-21 Nsk Ltd. Roller bearing
DE10042901C2 (en) * 1999-08-31 2002-03-21 Nsk Ltd roller bearing
DE10045773C2 (en) * 1999-09-16 2002-11-07 Nsk Ltd Tokio Cylindrical rolling contact element
JPWO2004092603A1 (en) * 2003-04-16 2006-07-06 日本精工株式会社 Roller bearing for belt type continuously variable transmission
JP4569470B2 (en) * 2003-04-16 2010-10-27 日本精工株式会社 Roller bearing for belt type continuously variable transmission
WO2005080813A1 (en) * 2004-02-19 2005-09-01 Jtekt Corporation Tapered roller bearing
CN100422586C (en) * 2004-02-19 2008-10-01 株式会社捷太格特 Tapered Roller Bearings
WO2005100809A1 (en) * 2004-04-14 2005-10-27 Jtekt Corporation Tapered roller bearing, tapered roller bearing device, and pinion shaft supporting device for vehicle, using the tapered roller bearing device
JP2010042423A (en) * 2008-08-11 2010-02-25 Ntn Corp Back-up roll device
JP2010255730A (en) * 2009-04-24 2010-11-11 Ntn Corp Tapered roller bearing and design method thereof
CN102414465A (en) * 2009-04-24 2012-04-11 Ntn株式会社 Tapered Roller Bearing and Its Design Method
WO2010122955A1 (en) * 2009-04-24 2010-10-28 Ntn株式会社 Tapered roller bearing and method of designing same
JP2016533466A (en) * 2014-04-08 2016-10-27 エヌアールビー ベアリングス リミテッド Improved roller bearing with enhanced stress bearing capacity
WO2022149523A1 (en) * 2021-01-06 2022-07-14 Ntn株式会社 Cross roller bearing
JP2022106105A (en) * 2021-01-06 2022-07-19 Ntn株式会社 Cross roller bearing
JPWO2023238364A1 (en) * 2022-06-10 2023-12-14

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