2x W1 Deep V Groove W-rail Track Pulley Rollers Ball Bearings Steel

Model: W1Material: Bearing steelBore Dia: 4.763mmOuter Dia: 19.56mmTotal Height: 7.87mmColour: SilverSmooth moving,low friction,high performance and long life.Widely used in various of machinery,such as home appliances,industrial,construction machinery,automotive components,ect.Package Included: 2 x Line Track Rollers BearingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.