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 |
|
||
45 |
58 |
7 |
HCB71809-E-TPA-P4, HCB71809ETPAP4, HCB71809 |
P4 |
4.75 |
4.5 |
24000 |
38000 |
0.04 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3012K NTN | 60 | 95 | 26 |
NN3011K NTN | 55 | 90 | 26 |