Description: Machine tool main spindle bearing
Basic Dimensions(mm) |
Bearing Designations |
Precision Rating |
basic load rating(KN) |
Limiting Speed (r/min) |
Weight (KGS) |
||||
d |
D |
B |
Cr |
Cor |
Grease |
oil |
|
||
50 |
90 |
20 |
HCB7210-C-T-P4S |
P4 |
30 |
22 |
20000 |
34000 |
0.39 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7211B NTN | 55 | 100 | 21 |
7911 NTN | 55 | 80 | 13 |