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 |
|
||
55 |
72 |
9 |
HCB71811-C-TPA-P4 |
P4 |
7.1 |
7.2 |
22000 |
36000 |
0.08 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7310 NTN | 50 | 110 | 27 |
7210 NTN | 50 | 90 | 20 |