MR 20307 2RS | 20 x 30 x 7mm Bearing

R 12/22 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 22mm x 1 5/8" x 7/16" ABEC-3 Radial Bottom Bracket Bearing featuring 52100 High-Carbon Chromium alloy races paired with grade 10 Balls with dual-lip labyrinth (LLB) seals to withstand the outside elements, and to contain the 90% fill Mobil XHP 222 high pressure water proof synthetic grease. The most common use for this bearing is as a replacement bearing for BMX bike BBs, including some models from Profile Racing. 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.