Linear Shaft - Ceramic Coated Aluminum CCM50-1000-SL Diameter: 50mm Length: 1000mm Open Linear Plain Bearing Features a 5mm lead

Features a 5mm lead

Lead Screw Diameter: 16mm

Length: 500mm

mountable aluminum alloy pillow block bearing uses a twin-sized open-shell design for added bearing surface and shaft support

" By contrast

Linear Shaft - Ceramic Coated Aluminum CCM50-1000-SL Diameter: 50mm Length: 1000mm Open Linear Plain Bearing Features a 5mm leadSolid Linear Shaft of Ceramic Coated Aluminum, 50mm diameter, 1000mm length. This feather weight yet strong shaft boasts RC70 hardness, superior corrosion resistance, non magnetic properties, vibration resistance, and immunity to weld splatter, paints, and contaminants. Its crafted exclusively for plain bearings like Simplicity self lubricating linear bearings, not for linear ball bearings nor roller bearings. Neither drilled nor tapped Pre drilled