61903 LLU/LLB CN A5 - ABEC 5 (Radial) - 17x30x7

6201 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 12mm x 32mm x 10mm Radial bearing generally used as a hub bearing for some older quick-release hub designs but has also been used for e-bike motors and and indoor trainers. This ABEC-3 bearing features deep-groove design races, with Grade 10 balls, LLB seals and 90% fill with high pressure water proof grease to withstand daily abuse of use and the elements. The Enduro line of bearings are available in high-carbon chromium steel, 440C stainless steel, ceramic-hybrid and XD15 with ceramic or stainless balls. Our bearings are always engineered with deepest groove races possible to accommodate the largest balls and feature dual-lip seals that ride in a micro-groove creating a full labyrinth to provide superior protection against the elements.