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 |
|
||
65 |
120 |
23 |
B7213-E-T-P4S |
P4 |
54 |
45.5 |
11000 |
18000 |
1.02 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7220BDB NTN | 100 | 180 | 68 |
7220DB NTN | 100 | 180 | 68 |