Guide Wheel Closure Double Sealed Drive Type External Hex Duty Type Standard Face Design Plain For Environment Clean Room Extreme High Temperature Overall Length 49/64 in Roller Diameter 49/64 in Roller Head Type V-Groove Roller Material Alloy Steel Roller Width 19/64 in Rolling Element Rows 2 Seal Type Contact Stud Material Stainless Steel Stud Thread Size M6-1 Stud Type Eccentric System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade AISI 52100