General description High-quality 6001Rs Deep Groove Ball Bearings are designed for optimal performance and durability. This set includes 30 pieces, making it an excellent choice for various applications, whether for replacement or new projects. Technical specifications Type: 6001 Color: Silver & Black Material: Metal, Rubber Outer Diameter: 28 mm Inner Diameter: 12 mm Thickness: 8 mm Weight: 210 g Other information Package Contents: 30 x Split Ball Bearings Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.