PBC Linear SRAM50 1000 SL Linear Metric Shaft Assembly, 50 mm Shaft Dia, 1,000 mm Lg, Steel 32020 Switch Type 4 Way Switch Type 4 Way They are most commonly used in pharmaceutical For Use With FrelonGOLD(R) Linear Plane Bearings and Pillow Blocks Shaft Material Grade 1060 Shaft Material Steel Rail End to Hole 100 mm System of Measurement Metric Product Type Linear Shaft Support Rail Assembly Support Rail Material Aluminum Shaft Drilling Pre Drilled Shaft Hole Spacing 200 mm Standards ISO Support Rail Drilling Pre Drilled Shaft Hardness RC 60 Compatible Series FrelonGOLD(R) Linear Plane Bearings and Pillow Blocks Shaft End to Hole 100 mm Country of Origin United States Shaft Length 1