MGN12B Mini Linear Rail Guide, 400mm Linear Sliding Gide with 2x MGN12B Bearing Block for DIY Printer and CNC Machine

This linear rail and block are small in size and lightweight, especially suitable for small equipments. Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy. Designed with ball retainer, which allows interchangeability in the case of small precision. Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side. Widely used for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement.