Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Screwdriver Slot Overall Length 1 3/16 in Roller Diameter 11/16 in Roller Head Type Crowned Roller Material Alloy Steel Roller Width 7/16 in Rolling Element Rows 1 Stud Material Carbon Steel Stud Thread Size 1/4 In.-28 Stud Type Concentric System of Measurement Inch Bearing Type Needle Roller Drive Location Head and Stud