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4x9x4 Ceramic Rubber

Regular price $3.99

 4x9x4 Ceramic Rubber Seal

 

  • 4mm Inside diameter
  • 9mm Outside diameter
  • 4mm wide
  • mr684 mr 684 2rs 4x9 
  • 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.