MR 1937 2RS | 19 x 37 x 9mm Bearing

R 12 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 3/4 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 90% fill, high-pressure, water-proof grease. The most common use for this bearing is as a replacement bearing for BMX bike BBs. 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.