yctoobearing
Metric Miniature Ball Bearings(open)
| Bearing Type | metric miniature ballbearings 638 Section Image | |
|---|---|---|
| Bore Diameter (d) | 8.0mm |  |
| Outer Diameter (D) | 28.0mm | |
| Min. Radius (rs) | 0.30mm | |
| Width (B) | 9.0mm | |
| Load Rating (Cr) | 4563N | |
| Load Rating (Cor) | 1983N | |
| Max. Speed (Grease) x 1000 | 28rpm | |
| Max. Speed (Oil) x 1000 | 34rpm | |
| Cage Type | 2-pieces steel ribbon type |
|
| Weight | 28.10 grams |
|
| Material | 52100 Chrome Steel 440 Stainless Steel |
|
| Ball Size & Qty | 7×4.762 | |
| Note:1. d2=14.5, 2. D2=21.3 Other Item No.:638 | ||