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 |
|
||
50 |
65 |
7 |
B71810-C-TPA-P4, B71810CTPAP4, B71810 |
P4 |
7.35 |
7.35 |
19000 |
32000 |
0.05 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NKX60+IR50×60×25 NTN | 50 | 72 | 25 |
NKX50+IR45×50×25 NTN | 45 | 62 | 25 |