DIYers and machinists, this SC20UU linear bearing is exactly what you need for smooth, precise motion in your projects! Designed specifically for 20mm shaft rods, this aluminum alloy slide block features linear ball bearings that provide incredibly low-friction movement with high load capacity. The dimensions are spot-on at 54mm long, 50mm wide, and 40mm high with a 20mm interior diameter that fits standard 20mm rods perfectly. The aluminum alloy construction is both lightweight and incredibly strong, capable of handling heavy loads without deformation. The oxidation treatment provides excellent corrosion resistance and maintains that professional look over time. These bearings are ideal for high-speed machinery, CNC equipment, 3D printers, automation systems, and any application where you need reliable linear motion. The ball bearing design ensures quiet operation and minimal energy loss, while the oil lubrication system (drip method) keeps everything running smoothly with proper maintenance. Whether you're building a CNC router, upgrading your 3D printer, creating automated systems, or working on any precision machinery project, these SC20UU slide blocks deliver professional-grade performance without the professional price tag. The precise manufacturing means consistent reliability across multiple units, so you can count on predictable performance in your builds.
Free 30-day returns 
Free 30-day returns
