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 |
80 |
13 |
B71911-C-T-P4S |
P4 |
22.8 |
620.4 |
16000 |
26000 |
0.18 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7208B NTN | 40 | 80 | 18 |
7908 NTN | 40 | 62 | 12 |