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.
1.8750 inches nominal overall outside diameter, steel end platesteel outer ringsteel rollerplastic polyamide (nylon) and molybdenum sealsteel stud material, contact bearing seal type, 1.0000 inches nominal outer ring width, 2.7812 inches nominal overall length