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 |
HCB7009-E-T-P4S, HCB7009ETP4S, HCB7009 |
P4 |
18 |
14 |
20000 |
34000 |
0.2 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3044 NTN | 220 | 340 | 90 |
NN4944 NTN | 220 | 300 | 80 |