Cam Follower Closure Open Drive Type Slotted Duty Type Standard Face Design Screwdriver Slot Overall Length 3 9/32 in Roller Diameter 2 1/4 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 1/4 in Rolling Element Rows 1 Seal Type Not Applicable Stud Material Carbon Steel Stud Thread Size 7/8 In.-14 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Needle Roller Drive Location Stud