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 |
B7210-C-T-P4S |
P4 |
43 |
31.5 |
16000 |
26000 |
0.46 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7312 NTN | 60 | 130 | 31 |
7212 NTN | 60 | 110 | 22 |