Track Roller Closure Double Sealed Drive Type Hex Socket Duty Type Heavy Face Design Plain Overall Length 120 mm Roller Diameter 120 mm Roller Head Type V-Groove Roller Material Bearing Steel Roller Width 50.5 mm Rolling Element Rows 2 Stud Material Bearing Steel Stud Thread Size M30-3.5 Stud Type Concentric System of Measurement Metric Bearing Type Tapered Roller Drive Location Stud Dynamic Radial Load Capacity 63 600 N