Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Heavy Face Design Hex Socket Overall Length 1 13/32 in Roller Diameter 7/8 in Roller Head Type Crowned Roller Material Alloy Steel Roller Width 1/2 in Rolling Element Rows 1 Seal Type Contact Stud Material Carbon Steel Stud Thread Size 7/16 In.-20 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud