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.
grease lubrication material, 1.4990 inches minimum and 1.5000 inches maximum overall outside diameter, 0.8700 inches minimum and 0.8750 inches maximum outer ring width, 2.3750 inches minimum and 2.4375 inches maximum overall length, steel overall material