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 |
75 |
16 |
B7009-C-T-P4S, B7009CTP4S, B7009 |
P4 |
27.5 |
21.2 |
18000 |
30000 |
0.23 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3052 NTN | 260 | 400 | 104 |
NN4952 NTN | 260 | 360 | 100 |