Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B2M0170-148S10DX found under Bearing Roller Cylindrical by Rexnord Llc Div Falk Gear Group. The National Stock Number assigned to this part is 3110001557340, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B2M0170-148S10DX.