Cam Follower Closure Open Drive Type Hex Socket Duty Type Heavy Face Design Hex Socket Overall Length 3 25/32 in Roller Diameter 2 1/2 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 1/2 in Rolling Element Rows 1 Seal Type Not Applicable Stud Material Carbon Steel Stud Thread Size 1 1/4 In.-12 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud