JPS634428U - - Google Patents

Info

Publication number
JPS634428U
JPS634428U JP8909987U JP8909987U JPS634428U JP S634428 U JPS634428 U JP S634428U JP 8909987 U JP8909987 U JP 8909987U JP 8909987 U JP8909987 U JP 8909987U JP S634428 U JPS634428 U JP S634428U
Authority
JP
Japan
Prior art keywords
ring
permanent magnet
steel plates
contact
pair
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
JP8909987U
Other languages
English (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 JP8909987U priority Critical patent/JPS634428U/ja
Publication of JPS634428U publication Critical patent/JPS634428U/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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
    • F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例を示す密封型ころ
がり軸受の断面図、第2図は第1図に示すシール
体の拡大図、第3図ないし第7図はこの考案で使
用する他のシール体の断面図である。 図中、1は外輪、2は内輪、3は転動体、6は
シール体、8は永久磁石の内側の側面、9は永久
磁石の外側の側面、11は永久磁石、12,13
は鋼板、14は弾性部材、Aは鋼板と他方の軌道
輪との間の距離、Bは永久磁石と他方の軌道輪と
の間の距離、Cは一対の鋼板の間の距離である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外輪1と内輪2と転動体3と一方の軌道輪1に
    固定したシール体6とを備えた密封型ころがり軸
    受において、前記シール体6は内側の側面8と外
    側の側面9とが異極になつているリング状の永久
    磁石11と、該永久磁石の両側面8,9に密着し
    ているリング状の一対の鋼板12,13と、前記
    永久磁石11および一対の鋼板12,13と一体
    になつている弾性部材14とを備え、前記一方の
    軌道輪1は弾性部材14に接して永久磁石11と
    一対の鋼板12,13とには接触せず、前記鋼板
    12,13と他方の軌道輪2との間の距離Aは永
    久磁石11と他方の軌道輪2との間の距離Bより
    短く、かつ一対の鋼板12,13の間の距離Cよ
    り短くなつており、前記鋼板12,13と他方の
    軌道輪2との間の磁場には磁性流体が存在してい
    ることを特徴とする密封型ころがり軸受。
JP8909987U 1987-06-11 1987-06-11 Pending JPS634428U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8909987U JPS634428U (ja) 1987-06-11 1987-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8909987U JPS634428U (ja) 1987-06-11 1987-06-11

Publications (1)

Publication Number Publication Date
JPS634428U true JPS634428U (ja) 1988-01-12

Family

ID=30947776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8909987U Pending JPS634428U (ja) 1987-06-11 1987-06-11

Country Status (1)

Country Link
JP (1) JPS634428U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012215229A (ja) * 2011-03-31 2012-11-08 Nsk Ltd 転がり軸受及び軸受用シールド板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012215229A (ja) * 2011-03-31 2012-11-08 Nsk Ltd 転がり軸受及び軸受用シールド板

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