Description
R-720 Miniature Ball Bearing 2mm x 7mm x 2.8mm |
| R-720 is an Open Miniature Ball Bearing, R-720 Bearing has an inner diameter of 2mm, R-720 small Bearing outer diameter is 7mm and R-720 Bearing width is 2.8mm, R-720 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 very common in bearings.
|