Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BRG133 found under Bearing by Trane Co The. The National Stock Number assigned to this part is 3110011305885, 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 BRG133.