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-C-TPA-P4, HCB71809CTPAP4, HCB71809 |
P4 |
5 |
4.8 |
28000 |
43000 |
0.04 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3010K NTN | 50 | 80 | 23 |
NN3009K NTN | 45 | 75 | 23 |