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 |
XCB71909-C-T-P4S, XCB71909CTP4S, XCB71909 |
P4 |
29 |
10.8 |
32000 |
48000 |
0.11 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3005 NTN | 25 | 47 | 16 |
NN3092K NTN | 460 | 680 | 163 |