Originally Posted by
miamijim
Correct me if I'm wrong but 6001 refers to a bearings dimensions. 6001's are available in either Radial and Angular designs.
I think the 6000 series are for deep groove radial bearings. A 7000 series designation is used for single row A/C bearings, and 3000 for double row a/c bearings. There may be some dimensional matches between a 6000 and a 7000.