BB MR 17287 LLU/LLB A5 SL | 17 x 28 x 7mm Bearing

MR 190537 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 19.05mm x 37mm x 9mm 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 certain BMX 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.