Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Heavy Face Design Hex Socket Overall Length 1 1/32 in Roller Diameter 1/2 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 3/8 in Rolling Element Rows 1 Seal Type Contact Stud Material Carbon Steel Stud Thread Size 1/4 In.-28 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud