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 |
|
||
40 |
80 |
18 |
B7208-E-T-P4S, B7208ETP4S, B7208 |
P4 |
30.5 |
21.6 |
17000 |
28000 |
0.37 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3016K NTN | 80 | 125 | 34 |
NN3015K NTN | 75 | 115 | 30 |