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 |
|
||
55 |
100 |
21 |
HCB7211-E-T-P4S |
P4 |
30.5 |
17.6 |
15000 |
24000 |
0.51 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7328 NTN | 140 | 300 | 62 |
7228 NTN | 140 | 250 | 42 |