Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RBT-G03 ITEM 2 found under Housing Bearing Unit by Insul 8 Corp. The National Stock Number assigned to this part is 3130015180447, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RBT-G03 ITEM 2.