Enduro 61903 LLU/LLB Radial Cartridge Bearing ABEC-5

$14.00

Prices subject to change. How pricing works →

The Enduro 61903 LLU/LLB Radial Cartridge Bearing ABEC-5 typically ships in 5-8 business days

SKU: BB 61903 LLB CN

Stock Availability by Location

RA Cycles Brooklyn — Out of stock

105 5th Ave, Brooklyn, NY 11217718-636-5242

RA Cycles Walnut Creek — Out of stock

2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099

Distribution Center - East — Out of stock

Distribution Center - Central — Not immediately available

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Enduro 61903 LLU/LLB Radial Cartridge Bearing ABEC-5 Info

The Enduro 61903 LLU/LLB Radial Cartridge Bearing ABEC-5 is a direct-replacement hub bearing built to Enduro's ABEC-5 tolerance spec — tighter than standard, which means less play, smoother rotation, and more predictable performance over time. The LLB designation indicates a light-contact rubber seal on both sides, balancing contamination resistance with low rolling friction.

If your hub is developing roughness or lateral slop, a fresh cartridge bearing is often all it takes to bring it back to spec. Enduro bearings are widely used in the cycling industry as both OEM and replacement components, and this 61903 fits a broad range of road and mountain hub applications.

  • Standard: ABEC-5
  • Seal type: LLB — light-contact rubber, double-sided
  • Bearing type: Radial cartridge
  • SKU: BB 61903 LLB CN

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