uxcell 638ZZ Deep Groove Ball Bearing 8x28x9mm Double Shielded ABEC-3 Bearings 2-Pack-Fast Shipping

Description

638ZZ (I.D.=8mm, O.D.=28mm, Thickness=9mm)

638z bearings are shielded on BOTH SIDES to keep lubricant in

Chromium Steel long-life bearings, smooth and low noise

ABEC Tolerance 3 (P6), Z1 Noise Level for most general use

Static load rating of 1990 newtons and dynamic load rating of 3540 newtons