Rack and Pinion, Smooth Shaft, Bearing manufacturer / supplier in China, offering SBR Linear Guide Rail with Custom Cut Length 300-3000mm High Precision Hardened Shaft Linear Motion Sliding System for Industrial Automation, Complete SBR Linear Guide Rail Kit SBR16 to SBR50 with Support Rail and Slide Blocks Easy Installation for CNC Router, 3D Printer and Engraving Machine, SBR35 SBR40 SBR50 Series Linear Guide Rail Sliding Block Unit 35-50mm Diameter Super High Load Linear Motion Parts for Heavy CNC and Large Automation Equipment and so on.