Guwanji Linear Rail, 2Pcs 4Pcs Sbr20Uu Square Type Block Bearing

2 pieces of linear rail SBR20-500mm/19.7 inch long and 4 SBR20UU blocks, sliding blocks to be used cooperatively with rails, high precision and easy to mount dismount. SBR20 linear rails are made of good bearing steel and aluminum alloy, surface chrome plating treatment beautiful anti-rust, high hardness, more durable. Industry-standard SBR block with high-precision linear bearing inside. The adjustment handle can adjust the tightness of the slider, standardized processing, ideal for positioning the guide rail.16 pieces M6x20 screws can connect the sliding bearing blocks and plates as accessories. Perfect combination of main axle bearing rail and aluminum alloy support, which nicely stabilizes the original rail. Industrial-grade standard SBR block, with high precision linear bearing inside. SBR20 linear rails apply for DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc. Also applicable for large-scale transmission equipment, including industrial robots, cracker machines. Specification /b br/ Material: Bearing steel br/ Performance: Smooth motion, low noise br/ Rail Shafts: 2Pcs SBR20-500mm br/ Bearing Blocks: 4Pcs SBR20UU br/ Rail shaft length: 500mm/19.7 inch br/ br/ br/ Features /b br/ Complete Linear Rail Kits br/ Linear rail kit includes 2 pieces of 500mm/19.7 inch long SBR20 rail shafts and 4 pieces of SBR20UU blocks. Corrosion-resistant, high strength, and wear resistance. br/ Surface chrome plating treatment beautiful anti-rust, high hardness, with high accuracy and strong durability. br/ Cylindrical guide composed of principal rail and aluminum support, stabilizing the original rail. Premier quality bearing blocks moves smoothly while using. br/ br/ br/ The linear motion products and technology are widely used for automatic mechanical facilities under common accuracy. Our rail shaft is made with good quality steel plus aluminum alloy. It is a perfect combination of main axle and aluminum support, which nicely stabilizes the original rail. Premier quality bearing blocks moves smoothly while using. br/ br/ br/ Package include /b br/ 2Pcs SBR20-500mm Linear Rail br/ 4Pcs SBR20UU Blocks Bearing br/ br/