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-E-T-P4S, B7009ETP4S, B7009 |
P4 |
26.5 |
20 |
17000 |
28000 |
0.23 |
Product Model | Inside Diameter | Outside Diameter | Thickness |
NN3048 NTN | 240 | 360 | 92 |
NN4948 NTN | 240 | 320 | 80 |