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 |
80 |
13 |
HS71911-E-T-P4S |
P4 |
12.7 |
12.7 |
18000 |
30000 |
0.2 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7307 NTN | 35 | 80 | 21 |
7207 NTN | 35 | 72 | 17 |