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.
1.8740 inches minimum and 1.8750 inches maximum overall outside diameter, steel corrosion resisting overall material, 1.0520 inches minimum and 1.0680 inches maximum overall length, 0.4996 inches minimum and 0.5002 inches maximum bore diameter