Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 155623D163 found under Bearing Roller Tapered by Lidgerwood Manufacturing Company. The National Stock Number assigned to this part is 3110001005507, 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 155623D163.