2 Pack 50 x 100mm Nylon Sliding Door Guide Roller M12 for Electric Doors, Track Wheels, Pulleys

Suitable for electric doors, nylon sliding doors, iron door wheels, rail wheels, pulleys, etc. The sliding door guide roller can be installed on the bracket or on the wall of the rear column to achieve smooth operation of the sliding door and prevent the door from tipping off the rail. Each roll measures approximately 50 × 100 mm in width and height, has a length of 130 mm, and includes an M12 × 1.8 mm screw for safe installation in standard rail systems. Made of bearing and nylon materials, the rollers provide smooth rotation and durability, the combination of nylon and metal bearings ensures consistent performance under the daily operation of the door. Sliding door guide rollers use rolling methods to guide the movement of the door body.