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 |
90 |
18 |
B7011-C-T-P4S |
P4 |
38 |
31 |
15000 |
24000 |
0.37 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7321 NTN | 105 | 225 | 49 |
7221 NTN | 105 | 190 | 36 |