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 |
B71911-E-T-P4S |
P4 |
21.6 |
19.3 |
15000 |
24000 |
0.18 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7009 NTN | 45 | 75 | 16 |
7308B NTN | 40 | 90 | 23 |