20x27x4 Ceramic Rubber

$6.50 

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 20x27x4 Ceramic Rubber Seal

 

  • 20mm Inside diameter
  • 27mm Outside diameter
  • 4mm wide
  • 6704-2rs 6704 20x27
  • Abec 5
  • Light oil
  • Ceramic Silicon Nitride Si3N4 balls
  • Chrome steel races and retainers
  • Rubber seals

 

 

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. 


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