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 |
65 |
7 |
B71810-E-TPA-P4, B71810ETPAP4, B71810 |
P4 |
6.95 |
6.8 |
17000 |
28000 |
0.05 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NKX45+IR40×45×20 NTN | 40 | 58 | 20 |
NKX40+IR35×40×20 NTN | 35 | 52 | 20 |