Widely used in industrial machinery, motorcycle, automobile, electrical and mechanical equipment and other types of . Product Name: Deep Groove Ball Bearing Type: 629Z Material: Metal Outer Diameter: 26mm / 1 inch Inner Diameter: 9mm / 0.35 inch Thickness: 8mm / 0.31 inch Main Color: Silver Tone Weight: 20g/Pcs Package Contents: 20 x Deep Groove Ball Bearing Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.