主要尺寸及性能数据
d
|
4 mm
|
D
|
10 mm
|
B
|
4 mm
|
Cr
|
0.553 rpm
|
Cor
|
0.245 rpm
|
Fatigue load
|
0.011 pu
|
Reference speed
|
130000 rpm
|
limit speed
|
63000 rpm
|
Type
|
Deep groove ball bearing
|
W 638/4 XR-2Z deep groove ball bearing can be used in gearboxes, instruments and meters, motors, household appliances, internal combustion engines, traffic vehicles, agricultural machinery, construction machinery, engineering machinery, roller skates, yo yo, etc
