Bushings Square Flanged Long Linear Bearing 12mm X 21mm X 30mm

2 Pcs Bearing: 1 Pcs Linear Bearing and 1 Pcs Pillow Block BearingLinear Bearing:Model : LMK12UU;Material : Metal, RubberInner Diameter : 12mm/ 0.47 inch;Outer Diameter : 21mm/ 0.82 inch;Length : 30mm/ 1.2 inchSquare Size : 31 x 31 x 5mm/ 1.2 inch x 1.2 inch x 0.2 inch(L*W*T);Mount Hole Dia.(Each) : 4mm/ 0.16 inchHole Pitch : 21mm/ 0.83 inch(Center to Center);Color : Silver Tone, Black,The universal Ball Bearings is great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy.Widely used in home appliances, industrial, low noise and high speed electric motors, construction machinery, automotive components, pumps, and machinery.Smooth moving, low friction, high rigidity and long life.Economical, easy to maintain replace.Pillow Block Bearing:Material: zinc alloy; Inner diameter: ca.12 mm / 0.47 inchOutside diameter: ca.37 mm / 1.46 inchHole diameter: approx. 7mm / 0.28 inch Hole center distance: approx.48 mm / 1.89 inchLength: approx. 62 mm / 2.44 inch Height: approx.16 mm / 0.63 inchPillow Block Flange Bearing is widely used in a variety of machinery, such as machinery and equipment, conveyors, machine manufacturing, ect.Note: Please read the instruction to confirm it.Color: SilverPackage include: 1 x Pillow Block Bearing (Flange)1 x Linear 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.