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 |
75 |
16 |
B7009-C-2RSD-T-P4S-UL, B |
P4 |
27.5 |
21.2 |
18000 |
30000 |
0.23 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NKX50Z+IR45×50×25 NTN | 45 | 62 | 25 |
NKX45Z+IR40×45×20 NTN | 40 | 58 | 20 |