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> City Bikes Special Order Catalog > Components > Bearing > Cartridge Bearing > ABI Enduro Zero Ceramic Grade 3 6903 Sealed Cartridge Bearing 17x30x7

ABI

Enduro Zero Ceramic Grade 3 6903 Sealed Cartridge Bearing 17x30x7 (BB1693)

$54.99
ABI Enduro Zero Ceramic Cartridge Bearings with ABEC 5 Rating.
  • ABEC 5 precision cartridge bearing
  • Races receive 3 cryogenic treatments and a rust proof Magnetite finish
  • CERBEC USA Grade 3 Si3n4 Silicon Nitride balls
  • "VV" type 2-lip non-contact Silicone labyrinth seals
  • All measurements are in millimeters
  • 52100 high carbon Chromium alloy races
  • Nylon/graphite retainer
Item Specifications
MaterialCeramic
Bearing I.D.17
Bearing O.D.30
Manufacturer Number6903
Thickness7