61903 LLU/LLB CN- ABEC-5 Radial Bearing (CN Clearance) - 17mm x 30mm x 7mm sale ST-010 - Pro Fork Seal

ST-010 - Pro Fork Seal Tool Kit

5”) steerer forks

it is also the most expensive of the 440 series alloys and requires multiple rounds of heat treatment and cryogenic treatment to achieve its superior mechanical properties

This size bearing is also known in the bike Industry by part number HD446K

BKCJ-0312 - 11 tooth

61903 LLU/LLB CN- ABEC-5 Radial Bearing (CN Clearance) - 17mm x 30mm x 7mm sale ST-010 - Pro Fork Seal61903 LLB CN ABEC 5 Radial Bearing (CN clearance) 17mm x 30mm x 7mm A radial bearing generally used as a hub bearing and can be used as a pivot bearing, though the MAX type version of this bearing is better suited for suspension use. This ABEC 5 bearing features deep groove design races, with Grade 10 balls, dual lip, full contact LLU seals facing outwards to withstand daily abuse of use and the elements, and lighter contact LLB seals facing inwards