Cam Follower Closure Open Drive Type Slotted Duty Type Heavy Face Design Screwdriver Slot Overall Length 1 21/32 in Roller Diameter 1 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 5/8 in Rolling Element Rows 1 Seal Type Not Applicable Stud Material Carbon Steel Stud Thread Size 5/8 In.-18 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud