20mm Ballscrew Kit Linear Guide Rail Set L 57.48 inch / 1460mm, SFU2005 RM2005 Anti-Backlash Ball Screw + 2Pcs SBR20 Linear Rail Shaft Guide + 4Pcs SBR20UU Bearing Slide Block for CNC Machine

Ball screw diameter: 20mm; Lead / Pitch: 5mm; Total length: 57.48 inch / 1460mm; Nut + BK15/ BF15 End supports with locknuts and circlips +Flexible coupler/ Coupling (The coupler bore for the motor shaft is 8mm in default) + Nut Housing, Precision C7 Grade This linear rail kit includes 2pcs 57.48 inch / 1460mm length linear rail shafts, shaft diameter 0.63 inch/ 16mm and 4 SBR20UU slider blocks Long service life time due to low friction, low operation noise; No stick-slip effect, heats up less, reduce driving power required; Small starting torque, able to apply high speed and micro-feeding; High static and dynamic stiffness, high and more accurate positioning The material of shaft is the Carbon Steel with Chromium coating, quenching and anti-rust treatment; high hardness, more durable.

Industrial-grade standard SBR block, with a high precision linear bearing inside.

Make the sliding smooth, low friction, silent operation As a factory seller, we can customize the products, the length or any special manufacturing needs, please tell us.