What type of bearing is a 7205? （ ）
A.Angular contact ball bearing
B.Self-aligning ball bearing
C.Deep groove ball bearing
D.All Right
正确答案是A
What type of bearing is a 7205? （ ）
A.Angular contact ball bearing
B.Self-aligning ball bearing
C.Deep groove ball bearing
D.All Right
正确答案是A