Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Hex Socket Overall Length 2 3/8 in Roller Diameter 1 1/2 in Roller Head Type Flat Roller Material Bearing Steel Roller Width 7/8 in Rolling Element Rows 1 Stud Material Bearing Steel Stud Thread Size 5/8 In.-18 Stud Type Concentric System of Measurement Inch Bearing Type Needle Roller Drive Location Head