Guide Blocks & Rail SUPERIOR BEARING COMPANY Contact About Us Home Linear Stages Models XT3 Models XT5 Collision Detectors CD1 CD2 CD3 Guide Wheels Wheels Track Bushings Guide... Blocks & Rail MR Minature Series AR/HR Standard Series Linear Motors Ironless Core Bearings Supplies Catalog Guide Blocks & Rails Recirculating Linear Guidway Four row circular arc... recirculating ball guide. International standard dimensions. MR AR/HR SUPERIOR BEARING COMPANY LLC 375 Sharts Road Springboro, OH 45066 Phone: 937-470-9524 FAX: 888-805-8576 Email: Info@SuperiorBearing.Com Site Design by Michael Gregg Graphics ...