Cam Follower, Closure Open, Drive Type Slotted, Duty Type Heavy, Face Design Screwdriver Slot, Overall Length 3 9/32 in, Roller Diameter 2 1/4 in, Roller Head Type Flat, Roller Material Alloy Steel, Roller Width 1 1/4 in, Rolling Element Rows 1, Seal Type Not Applicable, Stud Material Carbon Steel, Stud Thread Size 1 1/8 In.-12, Stud Type Concentric, System of Measurement Inch, Bearing Material Alloy Steel, Bearing Material Grade 52100, Bearing Type Needle Roller, Drive Location Stud