Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Heavy Face Design Hex Socket Overall Length 5 3/4 in Roller Diameter 4 in Roller Head Type Flat Roller Material Chrome Steel Roller Width 2 1/4 in Rolling Element Rows 1 Stud Material Steel Stud Thread Size 2 In.-12 Stud Type Concentric System of Measurement Inch Bearing Type Needle Roller Drive Location Stud