SMR688C-YZZ/W4 NB2

Description

Ceramic Lightning, shielded bearings are specially designed for relatively clean operating environments. These bearings have ceramic balls, with stainless steel races, retainers and shields. Ceramic hybrids are lighter, capable of achieving higher RPMÆs and sustaining higher operating temperatures than traditional bearings. Bearings that are packed in grease will require a short break in period to loosen up. Grease can be removed before shipping upon request. Special 4mm Width, (8x16x4)MM