The balls are in contact with the opening portion at the inner race side in the pockets at the minor axis positions of a drive cam, and the balls are in {HEAD ~ contact} with {TAIL ~ substantially the central portion} of the pocket inner surface at the major axis positions of the cam 
with
The balls are in contact with the opening portion at the inner race side in the pockets at the minor axis positions of a drive cam , and the balls are in { HEAD ~ contact } with { TAIL ~ substantially the central portion } of the pocket inner surface at the major axis positions of the cam
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH