Track Roller, Closure Open, Drive Type None, Duty Type Heavy, Face Design Plain, Overall Length 2 5/32 in, Roller Diameter 1 1/4 in, Roller Head Type Flat, Roller Material Alloy Steel, Roller Width 27/32 in, Rolling Element Rows 1, Seal Type Not Applicable, Stud Material Alloy Steel, Stud Thread Size 1/2 In.-20, Stud Type Concentric, System of Measurement Inch, Bearing Material Alloy Steel, Bearing Material Grade AISI 52100, Drive Location Stud, Dynamic Radial Load Capacity 1,350 lbf