Description
L-630 is an Open Miniature Ball Bearing, L-630 Bearing has an inner diameter of 3mm, L-630 small Bearing outer diameter is 6mm and L-630 Bearing width is 2mm, L-630 Bearing is made of Chrome Steel, 52100 is a high carbon, chromium containing low alloy steel, heat treatment and hardening of 52100 alloy steels will get you 60 Rockwell hardness, and widely used in bearings.