4pcs scs8uu 8mm linear motion ball bearing slide bushing sliding block for

1、Inner Diameter: 8mm / 0.315in. High-quality bearings, exquisite workmanship, high precision. 2、Smooth moving, low friction, high rigidity and long life. 3、Economical, easy to maintain replace. 4、The universal ball bearings is great for you to replace the damaged ball bearings in your devices to improve them efficiency and save energy. 5、Linear bearing is widely applied to electronic equipment, packaging machinery, medical machinery, printing machinery, textile machinery, machinery, equipment, robots, tools, machinery, machine tools etc.