Track Roller Closure Double Sealed Drive Type Hex Socket Duty Type Heavy Face Design Plain Overall Length 47 mm Roller Diameter 50 mm Roller Head Type V-Groove Roller Material Bearing Steel Roller Width 22 mm Rolling Element Rows 2 Stud Material Bearing Steel Stud Thread Size M12-1.5 Stud Type Concentric System of Measurement Metric Drive Location Stud Dynamic Radial Load Capacity 6 000 N