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-E-T-P4S, XCB71909ETP4S, XCB71909 |
P4 |
27 |
10.4 |
28000 |
43000 |
0.11 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3088K NTN | 440 | 650 | 157 |
NN3084K NTN | 420 | 620 | 150 |