Enduro 21531 LLB Sealed Cartridge Bearing. Enduro Standard Design Cartridge Bearings.
90% filled with Mobilux NGLI 2 synthetic grease dual-lip labyrinth seals
If the bearing you are replacing is not marked with a manufacturer number measure it and compare to specifications listed
- TECH SPECS
|Bearing O.D. (mm)||31|
|Bearing I.D. (mm)||21.5|