JPS6469822A - Solid lubricant retainer - Google Patents

Solid lubricant retainer

Info

Publication number
JPS6469822A
JPS6469822A JP62227679A JP22767987A JPS6469822A JP S6469822 A JPS6469822 A JP S6469822A JP 62227679 A JP62227679 A JP 62227679A JP 22767987 A JP22767987 A JP 22767987A JP S6469822 A JPS6469822 A JP S6469822A
Authority
JP
Japan
Prior art keywords
retainer
pieces
solid lubricant
ceramics
central axis
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
JP62227679A
Other languages
Japanese (ja)
Other versions
JPH079251B2 (en
Inventor
Takashi Fujiwara
Takeo Yoshioka
Shizuo Koizumi
Tsutomu Tadane
Hiroaki Takebayashi
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.)
Koyo Seiko Co Ltd
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
Koyo Seiko Co 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 Agency of Industrial Science and Technology, Koyo Seiko Co Ltd filed Critical Agency of Industrial Science and Technology
Priority to JP62227679A priority Critical patent/JPH079251B2/en
Publication of JPS6469822A publication Critical patent/JPS6469822A/en
Publication of JPH079251B2 publication Critical patent/JPH079251B2/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
    • F16C33/38—Ball cages
    • F16C33/3818—Ball cages formed of unconnected segments
    • 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
    • F16C33/44—Selection of substances
    • 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
    • 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
    • F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
    • F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
    • F16C2206/58—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic nitrides
    • F16C2206/60—Silicon nitride (Si3N4)l

Landscapes

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

Abstract

PURPOSE:To prevent breakage of a retainer without needing an auxiliary tension material harmful to maintenance of lubricity, by a method wherein the retainer is formed such that it is circumferentially divided. CONSTITUTION:The bodies of inner and outer wheels 2 and 3 are respectively formed by ceramics, e.g. silicon nitride. In a retainer 4a, its body is formed by ceramics, e.g. silicon nitride, its surface is covered with a solid lubricant, e.g. molybdenum disulfide, tungsten disulfide, graphite, or the whole of the retainer 4a is formed by a solid lubricant. The retainer 4a is formed as an assembly of four retainer pieces 10a positioned in a plane extending at right angles with the central axis of a bearing. The four retainer pieces 10a are positioned around the central axis of the bearing, all the retainer pieces are collected together to form the annular retainer 4a, namely, the retainer pieces 10a form a shape in which the retainer 4a is circumferentially divided into four sections. Since the retainer is not formed in an integral annular shape, a hoop stress is prevented from generating.
JP62227679A 1987-09-11 1987-09-11 Solid lubricant retainer Expired - Fee Related JPH079251B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62227679A JPH079251B2 (en) 1987-09-11 1987-09-11 Solid lubricant retainer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62227679A JPH079251B2 (en) 1987-09-11 1987-09-11 Solid lubricant retainer

Publications (2)

Publication Number Publication Date
JPS6469822A true JPS6469822A (en) 1989-03-15
JPH079251B2 JPH079251B2 (en) 1995-02-01

Family

ID=16864632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62227679A Expired - Fee Related JPH079251B2 (en) 1987-09-11 1987-09-11 Solid lubricant retainer

Country Status (1)

Country Link
JP (1) JPH079251B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3013087A1 (en) * 2013-11-14 2015-05-15 Skf Aerospace France MECHANICAL BEARING

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016148417A (en) * 2015-02-13 2016-08-18 Ntn株式会社 Rolling bearing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3013087A1 (en) * 2013-11-14 2015-05-15 Skf Aerospace France MECHANICAL BEARING
EP2873884A1 (en) * 2013-11-14 2015-05-20 SKF Aerospace France Rolling bearing with a cage formed of unconnected members
US9239077B2 (en) 2013-11-14 2016-01-19 Aktiebolaget Mechanical bearing

Also Published As

Publication number Publication date
JPH079251B2 (en) 1995-02-01

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