CHCWR Sliding rail linear bearing slider block 300-1000mm SBR20 Linear Guide Rail Fully Support Rail + 4pcs SBR20UU Linear Beare Block(1000mm)

2. Screw fixation, strong stability, the optical axis and the aluminum bracket are fixed and tightened with screws 3. Motor drive guide rail to achieve high-precision linear movement. Designed to achieve high precision linear motion, low friction coefficient. 1. Stainless steel linear optical shaft guide bearing linear movement. Easy to install and maintenance free. 3. The dust-proof slider can be used in dusty environments to effectively prevent dust on the guide rail from entering the slider and increase the life of the slider 1. Linear bearings create a high-efficiency set and long-lasting operation