10pcs TV0418 4*18*8mm V Groove Track Roller Bearing Guide Rail Bearing

Features: 100percent brand new and high quality. Made of high quality steel material for durability and long service life. Bearing has a V 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. Specification: Model: TV0418 Material: Bearing Steel Inner diameter: 4mm Outer diameter: 18mm Thickness: 8mm Package l ist: 10 * V Groove Ball Bearing .