4x9x4 rubber

$0.89 

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4x9x4

 

  • 4mm Inside diameter
  • 9mm Outside diameter
  • 4mm wide
  • mr684 mr 684 2rs 4x9 
  • Abec 3
  • Pre greased
  • Chrome steel
  • Rubber seals

 

Chrome Steel

This is our standard bearing that we have been stocking since the beginning. Chrome Steel is a great budget friendly bearing that will work in most any application.

  • Abec 3
  • Pre Grease
  • Chrome steel
  • Rubber seal

     

     

    440 Stainless Steel

    Stainless Steel bearings offer 75-85% of the strength as the Chrome Steel bearing, but will not corrode when used in wet applications. Stainless Steel also will run safely at a higher temperature than a chrome steel

    • Abec 3
    • Pre Greased
    • 440 Stainless Steel balls retainers & races
    • Rubber sealed

     

    Ceramic Hybrid 

    Ceramic Hybrids last up to 10xs longer than Chrome Steel bearings.  These are used in applications where high speed, load and temperature are a factor. Ceramic balls are harder and rounder than stainless & chrome steel, so therefore they offer less rolling resistance. 

    • Abec 5
    • Light oil
    • Ceramic Silicon Nitride Si3N4 balls
    • Chrome steel races and retainers
    • Rubber sealed

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