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 |
|
||
70 |
90 |
10 |
B71814-E-TPA-P4 |
P4 |
12.9 |
13.7 |
13000 |
20000 |
0.14 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
7019DB NTN | 95 | 145 | 48 |
7919DB NTN | 95 | 130 | 36 |