Guide Wheel Closure Double Sealed Drive Type External Hex Duty Type Standard Face Design Plain For Environment Clean Room Extreme High Temperature Overall Length 1 3/64 in Roller Diameter 1 13/64 in Roller Head Type V-Groove Roller Material Alloy Steel Roller Width 7/16 in Rolling Element Rows 2 Seal Type Contact Stud Material Stainless Steel Stud Thread Size M10-1.5 Stud Type Concentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100