Track Roller Closure Open Drive Type None Duty Type Heavy Face Design Plain Overall Length 3 3/4 in Roller Diameter 3 1/2 in Roller Head Type V-Groove Roller Material Alloy Steel Roller Width 1 11/16 in Rolling Element Rows 1 Seal Type Not Applicable Stud Material Alloy Steel Stud Thread Size 7/8 In.-14 Stud Type Eccentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100 Bearing Type Tapered Roller Drive Location Stud