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 |
|
||
45 |
68 |
12 |
B71909-C-T-P4S, B71909CTP4S, B71909 |
P4 |
18.6 |
15.6 |
19000 |
32000 |
0.13 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3013 NTN | 65 | 100 | 26 |
NN3012 NTN | 60 | 95 | 26 |