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 |
B71811-C-TPA-P4 |
P4 |
10.2 |
10.2 |
17000 |
28000 |
0.08 |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7011 NTN | 55 | 90 | 18 |
| 7310B NTN | 50 | 110 | 27 |