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, 1.0313 inches nominal overall length, 0.3700 inches minimum and 0.3750 inches maximum outer ring width, 0.190 inches nominal thread size, steel overall material