R12ZZ Deep Groove Ball Bearing 3/4×1-5/8×7/16-in Lever Bearings, 5-15pcs
R12ZZ (I.D.=3/4″, O.D.=1-5/8″, Thickness=7/16″). Chromium Steel long-life bearings, smooth and low noise. r12-2z bearings are shielded on BOTH SIDES to keep lubricant in. The main scope of services BOONA is a professional mockup and rapid prototyping manufacturer.