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 |
B71809-C-TPA-P4, B71809CTPAP4, B71809 |
P4 |
7.2 |
6.95 |
22000 |
36000 |
0.04 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3019 NTN | 95 | 145 | 37 |
NN3018 NTN | 90 | 140 | 37 |