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15x21x4 Ceramic Rubber

Regular price $4.99

 15x21x4 Ceramic Rubber Seal

  • 15mm Inside diameter
  • 21mm Outside diameter
  • 4mm wide
  • mr6702-2rs 6702 2rs 15x21
  • 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.