Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R4ABEC1MILG23827 found under Bearing Ball Annular by Minebea Mitsumi Inc. The National Stock Number assigned to this part is 3110001150759, 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 R4ABEC1MILG23827.