Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Hex Socket For Environment Oily/Greasy Overall Length 58 mm Roller Diameter 40 mm Roller Head Type Crowned Roller Material Bearing Steel Roller Width 20 mm Rolling Element Rows 1 Stud Material Bearing Steel Stud Thread Size M18-1.5 Stud Type Concentric System of Measurement Metric Bearing Material Alloy Steel Bearing Type Needle Roller Drive Location Head