主要尺寸及性能数据
d
|
4 mm
|
D
|
8 mm
|
B
|
3 mm
|
Cr
|
0.225 rpm
|
Cor
|
0.072 rpm
|
Fatigue load
|
0.003 pu
|
Reference speed
|
150000 rpm
|
limit speed
|
75000 rpm
|
Type
|
Deep groove ball bearing
|
W 637/4 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
