An assembly consisting of a roller and stud used to effect a rolling contact with a cam, and convert the reciprocating or oscillating motion to linear motion.
0.4990 inches minimum and 0.5000 inches maximum overall outside diameter, steel end platesteel outer ringsteel rollerplastic polyamide (nylon) sealsteel stud material, lips turned outwardly bearing seal type, 1.0312 inches nominal overall length, 0.3700 inches minimum and 0.3750 inches maximum outer ring width