61903 LLU/LLB CN- ABEC-5 Radial Bearing (CN Clearance) - 17mm x 30mm x 7mm sale This size bearing is also

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

WA 29x40x1

Weight - 42

ACB 4545 150 BO - 1-1/2 Black Oxide Angular Contact Headset bearing (40mm x 52mm x 7mm: 45x45 deg)

61903 LLU/LLB CN- ABEC-5 Radial Bearing (CN Clearance) - 17mm x 30mm x 7mm sale This size bearing is also61903 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