Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01C-1000-EX found under Housing Bearing Unit by Cooper Split Roller Bearing Corp. The National Stock Number assigned to this part is 3130013601053, 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 01C-1000-EX.