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-E-T-P4S |
P4 |
40.5 |
30.5 |
14000 |
22000 |
0.46 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7012 NTN | 60 | 95 | 18 |
7311B NTN | 55 | 120 | 29 |