R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm

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  • R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm
  • R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm

R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm

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  • R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm
  • R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm
  • Product Description
  • 1.the advantages of light weight and low cost,for compact application,easy fitting;
    2.oil pockets stored oil or grease, then the time for apply oil is extended over 5 times than the ones of general copper sleeve;
    3 extremely high bearing capacity, especially can match the shafts with rough surfaces;
    4 high heat dissipation, small expansion coefficient, stable use, long service life;
    5.Excellent wear resistance with lower friction;
    6.Chemical resistance.
  • About Products
Shields or seals on both sides
100% Chrome Steel, long-life, smooth and low noise, also has high durability and resistance to under heavy loads.
Deep Groove Ball Bearing is widely used to accommodate radial and axial loads in both directions.
Application: industrial equipment, micro motor, small rotary motor, office equipment, etc.
High accuracy class makes them suitable for almost all kinds of application.
  • Product Application
Our products cover almost the entire applicable fields of equipment manufacturing and machinery manufacturing and processing industries, and are widely used in automobiles, home appliances, machine tools, motors, water pumps, agricultural machinery, textile machinery and many other fields.
  • Product Parameter
External Dimension (mm)
 Extra Load Reference weight (closed)
Basic
Bearing No
 d D B Rsmin Cr Cor
R20ZZ 31.75 57.15 12.7 0.8 13230 8300 0.1250
R20-2RS
 31.75
 57.15
 12.7
 0.8
 13230
 8300
 0.1250
  • Material of the Bearing
Bearing Ferrule and roller: Made of high-carbon chromium bearing steel ( Gcr15 ).
Maintainer: Made of Cold reduced plate ( 08# or 10# ) . Can adopt enganced engineering plastic if necessary.
Dust Cover: Made of special material ( SPCC ) or stainless steel plate ( 1Cr18Ni9 or 1Cr13 ).
Sealing Ring: Adopt steel plate ( 08 # or 10 # ) framework with surface treatment and butadiene-acrylonitrile rubber ( NBP )afterheat pressure,can adopt steelplate framework ( 1Cr18Ni9) with special rubber of oil & heat resistance.

Related Products

Ningbo Bemeda Bearing Co., Ltd.

Ningbo Bemeda Bearing Co., Ltd. is leading China R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm suppliers and OEM/ODM R20ZZ deep groove ball bearing for elevator 31.75x57.15x12.7mm company specializing in the production of F series flange bearings and various precision micro motor bearings. The company has a fully automatic heat treatment furnace for leftovers, more than 30 intelligent fully CNC automatic grinding and super production lines; Automatic assembly machine and automatic cleaning and greasing capping machine; High precision roundness detector, hardness detector, noise detector, etc. The reasonable use of high-precision testing instruments ensures that the quality of each process from raw materials to finished products is controlled, and improves the requirements for precision bearings.

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