JPS6465327A - Ball bearing for solid lubricant layer - Google Patents

Ball bearing for solid lubricant layer

Info

Publication number
JPS6465327A
JPS6465327A JP62217800A JP21780087A JPS6465327A JP S6465327 A JPS6465327 A JP S6465327A JP 62217800 A JP62217800 A JP 62217800A JP 21780087 A JP21780087 A JP 21780087A JP S6465327 A JPS6465327 A JP S6465327A
Authority
JP
Japan
Prior art keywords
lubricant layer
solid lubricant
spin
generated
torque
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
JP62217800A
Other languages
Japanese (ja)
Other versions
JP2504066B2 (en
Inventor
Takashi Ogawa
Kazuaki Konishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
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 by NSK Ltd filed Critical NSK Ltd
Priority to JP62217800A priority Critical patent/JP2504066B2/en
Publication of JPS6465327A publication Critical patent/JPS6465327A/en
Application granted granted Critical
Publication of JP2504066B2 publication Critical patent/JP2504066B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6696—Special parts or details in view of lubrication with solids as lubricant, e.g. dry coatings, powder
    • 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
    • F16C2240/70—Diameters; Radii
    • F16C2240/76—Osculation, i.e. relation between radii of balls and raceway groove

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

PURPOSE:To reduce friction torque and a fluctuation in torque and to provide an increase life, by a method wherein a lubricant layer, having a sliding wear factor lower than that of the one on the side, where no spin is generated, of the tracks of outer and inner rings, is formed on the other where a spin is generated. CONSTITUTION:When the curvatures re and ri of radius of outer and inner rings 1 and 2 are equal to each other, a solid lubricant layer, having a sliding wear factor lower than that of a track surface 2a of the inner ring 2, is formed on a track surface 1a of the outer ring 1, and friction torque due to a spin generated between the track surface 1a and a surface 3a of a ball 3 is decreased. This constitution enables reduction of friction torque and fluctuation in torque, and increases service life.
JP62217800A 1987-09-02 1987-09-02 Ball bearing with solid lubricant layer Expired - Fee Related JP2504066B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62217800A JP2504066B2 (en) 1987-09-02 1987-09-02 Ball bearing with solid lubricant layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62217800A JP2504066B2 (en) 1987-09-02 1987-09-02 Ball bearing with solid lubricant layer

Publications (2)

Publication Number Publication Date
JPS6465327A true JPS6465327A (en) 1989-03-10
JP2504066B2 JP2504066B2 (en) 1996-06-05

Family

ID=16709930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62217800A Expired - Fee Related JP2504066B2 (en) 1987-09-02 1987-09-02 Ball bearing with solid lubricant layer

Country Status (1)

Country Link
JP (1) JP2504066B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000037813A1 (en) * 1998-12-22 2000-06-29 Nsk Ltd. Ball bearing
US6481898B1 (en) 1998-01-20 2002-11-19 Nsk Ltd. Ball bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481898B1 (en) 1998-01-20 2002-11-19 Nsk Ltd. Ball bearing
WO2000037813A1 (en) * 1998-12-22 2000-06-29 Nsk Ltd. Ball bearing

Also Published As

Publication number Publication date
JP2504066B2 (en) 1996-06-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees