SBR linear guide rail set: SBR20-1200mm linear motion guide rail includes 2 pcs. 1200mm long SBR20 guide rails and 4 pcs. SBR20UU Slide Blocks Dynamic load per block: 882 N, Static load per block: 1370 N. DURABLE & DURABLE The linear rail is made of carbon steel and aluminum with a chrome plated finish for rust resistance and high durability. Built in 4 aluminum sliding blocks and ball bearings for smooth and unhindered gliding. 【Low Noise Slide】 The SBR sliding blocks made of aluminum and carbon steel linear shaft are perfectly matched. The built-in ball bearing ensures smooth and non-tilted movement, which allows you labor-saving control. HIGH PRECISION Precise circular shaft dimensions and straightness, which ensure high accuracy, repeatability and stability of movement. The robust aluminium base and sliding block feature precise mounting holes that facilitate the user reliable installation and connection. Wide application: the SBR linear rail set is versatile and is suitable for all types of highly loaded automation equipment and DIY projects, such as Such as router/milling/lathe sledge, 3D printers, laser engravers, CNC machines, trainer swivel plates, etc. › See more product details; Product description SBR Linear Guide Rail Features Tackle pressure with ease The linear bearing is made of a full metal structure, and the sliding block is firmly locked on the linear shaft, which provides a high load capacity. Smooth glide without stuttering The SBR aluminium sliding block and built-in ball bearings glide smoothly and move effortlessly to ensure long-term stable operation. More precise than ever before The linear guides feature accurate hole spacing, hole diameter and standard shaft diameter, so you can install your devices even more precisely. Wide range of uses. The linear rail kit is commonly used in highly loaded automation systems and DIY projects. For example, DIY CNC engraving machines, lathes, etc. Specifications Item model number: SBR20-C 1200L. Slide Block Model: SBR20UU Guide rail length: 1200 mm (47.2\; Product description SBR Linear Guide Rail Features Tackle pressure with ease The linear bearing is made of a full metal structure, and the sliding block is firmly locked on the linear shaft, which provides a high load capacity. Smooth glide without stuttering The SBR aluminium sliding block and built-in ball bearings glide smoothly and move effortlessly to ensure long-term stable operation. More precise than ever before The linear guides feature accurate hole spacing, hole diameter and standard shaft diameter, so you can install your devices even more precisely. Wide range of uses. The linear rail kit is commonly used in highly loaded automation systems and DIY projects. For example, DIY CNC engraving machines, lathes, etc. Specifications Item model number: SBR20-C 1200L. Slide Block Model: SBR20UU Guide rail length: 1200 mm (47.2\; SBR Linear Guide Rail Features Tackle pressure with ease The linear bearing is made of a full metal structure, and the sliding block is firmly locked on the linear shaft, which provides a high load capacity. Smooth glide without stuttering The SBR aluminium sliding block and built-in ball bearings glide smoothly and move effortlessly to ensure long-term stable operation. More precise than ever before The linear guides feature accurate hole spacing, hole diameter and standard shaft diameter, so you can install your devices even more precisely. Wide range of uses. The linear rail kit is commonly used in highly loaded automation systems and DIY projects. For example, DIY CNC engraving machines, lathes, etc. Specifications Item model number: SBR20-C 1200L. Slide Block Model: SBR20UU Guide rail length: 1200 mm (47.2\ Model: Size: Color: