Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Hex Socket Overall Length 4 9/32 in Roller Diameter 3 1/4 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 3/4 in Rolling Element Rows 1 Seal Type Contact Stud Material Carbon Steel Stud Thread Size 1 1/4 In.-12 Stud Type Eccentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud