61903 LLB C3 - ABEC-5 Radial Bearing (C3 Clearance) - 17mm x 30mm x 7mm sale ACB 3645 CC BO 1-1/8

ACB 3645 CC BO 1-1/8 Angular Contact Black Oxide treated Headset bearing (30

6800O LLU MAX - Flanged

MR 17286 LLU MAX - MAX-Design

For the correct replacement bearing

When compared to other pulley materials

61903 LLB C3 - ABEC-5 Radial Bearing (C3 Clearance) - 17mm x 30mm x 7mm sale ACB 3645 CC BO 1-1/861903 LLB C3 ABEC 5 Radial Bearing (C3 clearance) 17mm x 30mm x 7mm A radial bearing generally used as a hub bearing for some front hub designs, bottom bracket bearing for some older square taper BBs, 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, LLB seals and 90% fill with high pressure water proof grease