SBR20UU 20mm Linear Rail and Bearing Block, 4 x SBR20-550mm Linear Motion Rail and 8 x SBR20UU Slide Slider Bearing Block for CNC Router Machines from Bopaodao

Specifications Brand: BopaodaoStyle: SBR20UU, linear motion shaft guide rails diameter 20mmThe external material of the block:Aluminum Alloy, Oxidation treatment, Silver color, Beautiful appearance, and high hardnessThe built-in material of the block:Engineering plastic, High precision, wear-resistant, dust proof, and rust proofThe material of the linear rail:carbon steel, surface chrome plating treatmentThis package includes:4Pcs / 4 Pack SBR20 Linear rail 550mm Long + 8Pcs / 8 Pack SBR20UU Slider Blocks

• The linear rail kit set includes: 4Pcs SBR20 21.65inch 550mm long linear Rail + 8Pcs 20mm SBR20UU open aluminum Bearing Slide Slider Blocks
• The SBR20UU block has a built-in engineering plastic, which is no longer the traditional steel bearing ball. It avoids the problem of ball falling off, and has excellent characteristics of free from maintenance, waterproof, rust proof, dust-proof, high temperature resistance and wear resistance
• The block external material is Aluminum Alloy with Oxidation treatment, Silver color, beautiful appearance, and high hardness; with pressure bar, optimized and upgraded design, more stable and durable even under heavy load use
• SBR20UU blocks with the linear bearing rails together as linear motion kit set, High precision, super smooth sliding, easy assembly and use; Maintenance-free, perfect for CNC Machine Parts, Router Linear rails, mills, and DIY, especially suitable for dusty and debris rich work scenarios
• CNC parts linear Rail is made of carbon steel, surface chrome plating treatment; besides the engineering plastic slide block, we also have other blocks, you could see image 5, any customized needs, please message us