MR 190537 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 19.05mm x 37mm x 9mm TH-873 or can be mixed to

or can be mixed to provide more or less leverage (they spin best when the lengths are the same)

decreasing friction

temperature and pressure introduce a uniform and continuous lubrication film between all metal parts to minimize friction and extend bearing life

HDK-0022 - 1-1/8 x 1-1/2 stainless steel

MR 190537 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 19.05mm x 37mm x 9mm TH-873 or can be mixed toMR 190537 LLB ABEC 3 Radial Bearing (C3 Clearance) 19. 05mm x 37mm 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