Cam Follower, Closure Double Sealed, Drive Type Slotted, Duty Type Heavy, Face Design Screwdriver Slot, Overall Length 1 13/32 in, Roller Diameter 7/8 in, Roller Head Type Flat, Roller Material Alloy Steel, Roller Width 1/2 in, Rolling Element Rows 1, Seal Type Contact, Stud Material Carbon Steel, Stud Thread Size 7/16 In.-20, Stud Type Concentric, System of Measurement Inch, Bearing Material Alloy Steel, Bearing Material Grade AISI 52100, Bearing Type Needle Roller, Drive Location Stud