Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Hex Socket Overall Length 2 1/32 in Roller Diameter 1 3/8 in Roller Head Type Flat Roller Material Stainless Steel Roller Width 3/4 in Rolling Element Rows 1 Seal Type Contact Stud Material Stainless Steel Stud Thread Size 1/2 In.-20 Stud Type Concentric System of Measurement Inch Bearing Material Stainless Steel Bearing Material Grade Type 440 Bearing Type Needle Roller Drive Location Stud