Track Roller, Closure Open, Drive Type None, Duty Type Heavy, Face Design Plain, Overall Length 4 13/16 in, Roller Diameter 4 in, Roller Head Type Flanged, Roller Material Alloy Steel, Roller Width 2 in, Rolling Element Rows 1, Seal Type Not Applicable, Stud Material Alloy Steel, Stud Thread Size 1 1/4 In. -12, Stud Type Concentric, System of Measurement Inch, Bearing Material Alloy Steel, Bearing Material Grade AISI 52100, Bearing Type Tapered Roller, Drive Location Stud. This item has been restricted from sale in the following state (s): []