30mm OD

Item specifics Supplier's description:6903 LLB - ABEC-3 radial bearing (C3 clearance) - 17 x 30 x 7mm - A radial bearing generally used as a hub bearing, as bottom bracket...

Item specifics Supplier's description:61903 LLB CN- ABEC-5 Radial Bearing (CN clearance) - 17 x 30 x 7mm - A radial bearing generally used as a hub bearing and can be...