U Groove Bearings || بلي بمجره خارجيه

 U-Groove Track Guide Bearing Pulley Wheel Bearings.

• Made of high quality steel material for durability and long service life.
• Bearing has a U groove that generally rides on a guide rail.
• Smooth operation, small error, low noise, high speed.
• Suitable for motor, toys, model, instrument and meter, electric tools, communication equipment, fitness equipment and other fields.