Product Name: Bearing Pulley; Package Content: 1 x Bearing Pulley.
Dimension: 8 x 50 x 12mm/0.31x1.97x0.47"(IDxODxT)
Smooth motion, high printing precision, low noise, can greatly improve the printing speed.U Shape groove ball bearings, fashionable, slide flexible, compression wear.
The U Shape Groove Wheel is suitable for the door of shower room, living room, kitchen room and so on. Internal lubrication grease, smooth operation, good mute effect.