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 |
90 |
13 |
HC71913-C-T-P4S |
P4 |
9.8 |
10.8 |
20000 |
34000 |
0.21 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7913DB NTN | 65 | 90 | 26 |
7312BDB NTN | 60 | 130 | 62 |