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 |
HS71909-E-T-P4S, HS71909ETP4S, HS71909 |
P4 |
9.5 |
9 |
22000 |
36000 |
0.14 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3072K NTN | 360 | 540 | 134 |
NN3068K NTN | 340 | 520 | 133 |