20PCS 623ZZ Deep Groove Ball Bearing Carbon Steel Double Shield 3x10x4mm
Ball BearingsGeneral Information：[1]Pre-Lubricated, Easy to maintain[2]Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operation[3]Made from Carbon Steel, durability and resistance to under heavy loads[4]ABEC Tolerance 1 (P0) for most general use[5]Size: 623ZZ (Inner Dia.=3mm, Outer Dia.=10mm, Thickness=4mm).