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.
0.4950 inches minimum and 0.5000 inches maximum outer ring width, 0.7490 inches minimum and 0.7500 inches maximum overall outside diameter, steel end platesteel outer ringsteel rollerplastic polyamide (nylon) sealsteel stud material, 1.3750 inches nominal overall length, 0.3750 inches nominal thread size