JPH0352417U - - Google Patents

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Publication number
JPH0352417U
JPH0352417U JP11377889U JP11377889U JPH0352417U JP H0352417 U JPH0352417 U JP H0352417U JP 11377889 U JP11377889 U JP 11377889U JP 11377889 U JP11377889 U JP 11377889U JP H0352417 U JPH0352417 U JP H0352417U
Authority
JP
Japan
Prior art keywords
rms
surface roughness
vehicle wheel
parameter
less
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.)
Granted
Application number
JP11377889U
Other languages
Japanese (ja)
Other versions
JPH087145Y2 (en
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 JP1989113778U priority Critical patent/JPH087145Y2/en
Publication of JPH0352417U publication Critical patent/JPH0352417U/ja
Application granted granted Critical
Publication of JPH087145Y2 publication Critical patent/JPH087145Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図はこの考案に係る車両ホイール用ころ軸
受の使用状態を示す縦断面図、第２図はころ軸受
の拡大断面図、第３図は試験装置の概略図面、第
４図は転動疲労寿命試験の結果を示すグラフ、第
５図はＳＫ値と寿命の関係を示すグラフ、第６図
はＲＭＳ（Ｌ／Ｃ）値と寿命の関係を示すグラフ
、第７図は油膜パラメータと油膜形成率を示す関
係図、第８図と第９図は油膜形成率を示すグラフ
、第１０図と第１１図は従来の円すいころ軸受と
この考案の円すいころ軸受の回転トルクの測定結
果を示すグラフ、第１２図と第１３図は同じく耐
焼付性試験の結果を示すグラフである。 ５…円すいころ軸受、８…転動体、９…外輪、
１０…内輪、ａ…微小粗面。 Figure 1 is a longitudinal cross-sectional view showing how the roller bearing for a vehicle wheel according to this invention is used, Figure 2 is an enlarged cross-sectional view of the roller bearing, Figure 3 is a schematic drawing of the test equipment, and Figure 4 is rolling fatigue fatigue. Graph showing the results of the life test. Figure 5 is a graph showing the relationship between SK value and life. Figure 6 is a graph showing the relationship between RMS (L/C) value and life. Figure 7 is oil film parameters and oil film formation. Figures 8 and 9 are graphs showing the oil film formation rate, Figures 10 and 11 are graphs showing the measurement results of the rotational torque of the conventional tapered roller bearing and the tapered roller bearing of this invention. , FIG. 12 and FIG. 13 are graphs showing the results of the seizure resistance test. 5... Tapered roller bearing, 8... Rolling element, 9... Outer ring,
10...Inner ring, a...Micro-rough surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 車両ホイール用ころ軸受の転動体表面もしくは
内外輪の転動面、滑り面の少なくとも一つに、微
小な独立したくぼみを無数にランダムに設け、こ
のくぼみを設けた面の面粗さを、軸方向と円周方
向のそれぞれを求めてパラメータＲＭＳで表示し
たとき、軸方向面粗さＲＭＳ(L)と円周方向面粗
さＲＭＳ(C)との比ＲＭＳ(L)／ＲＭＳ(C)が１．
０以下となり、合わせて面粗さのパラメータＳＫ
値が軸方向及び円周方向の何れも−１．６以下と
なるようにした車両ホイール用ころ軸受。 A countless number of small independent depressions are randomly provided on the surface of the rolling element of a vehicle wheel bearing, or on at least one of the rolling surfaces and sliding surfaces of the inner and outer rings, and the surface roughness of the surface with these depressions is determined as When the direction and circumferential direction are each calculated and expressed by the parameter RMS, the ratio RMS(L)/RMS(C) of the axial surface roughness RMS(L) and the circumferential surface roughness RMS(C) is 1.
0 or less, and the surface roughness parameter SK
A roller bearing for a vehicle wheel having a value of -1.6 or less in both the axial direction and the circumferential direction.
JP1989113778U 1989-09-28 1989-09-28 Roller bearings for vehicle wheels Expired - Lifetime JPH087145Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989113778U JPH087145Y2 (en) 1989-09-28 1989-09-28 Roller bearings for vehicle wheels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989113778U JPH087145Y2 (en) 1989-09-28 1989-09-28 Roller bearings for vehicle wheels

Publications (2)

Publication Number Publication Date
JPH0352417U true JPH0352417U (en) 1991-05-21
JPH087145Y2 JPH087145Y2 (en) 1996-03-04

Family

ID=31662181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989113778U Expired - Lifetime JPH087145Y2 (en) 1989-09-28 1989-09-28 Roller bearings for vehicle wheels

Country Status (1)

Country Link
JP (1) JPH087145Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005090615A (en) * 2003-09-17 2005-04-07 Nsk Ltd Automatic centering roller bearing and machining method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6449715A (en) * 1987-08-20 1989-02-27 Diesel Kiki Co Needleform roller bearing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6449715A (en) * 1987-08-20 1989-02-27 Diesel Kiki Co Needleform roller bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005090615A (en) * 2003-09-17 2005-04-07 Nsk Ltd Automatic centering roller bearing and machining method thereof
US7837393B2 (en) 2003-09-17 2010-11-23 Nsk Ltd. Self-aligning roller bearing and method of processing the same

Also Published As

Publication number Publication date
JPH087145Y2 (en) 1996-03-04

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