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 |
|
||
50 |
72 |
12 |
HC71910-C-T-P4S |
P4 |
7.1 |
7.2 |
26000 |
40000 |
0.14 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7301B NTN | 12 | 37 | 12 |
7201B NTN | 12 | 32 | 10 |