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 |
|
||
50 |
80 |
16 |
HCB7010-E-T-P4S |
P4 |
18.6 |
15.3 |
18000 |
30000 |
0.21 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NKXR25T2+IR20×25×20 NTN | 20 | 37 | 20 |
NKXR20T2+IR17×20×20 NTN | 17 | 30 | 20 |