General description Miniature Deep Groove Radial Ball Bearings 686Z are designed to provide smooth and efficient operation in various applications. These bearings are closed with metal guards to protect against dust and contamination, ensuring longevity and reliability. Technical specifications Model Number: 686Z Inner Diameter: 6mm / 0.24 inch Outer Diameter: 13mm / 0.51 inch Height: 5mm / 0.2 inch Material: Metal Net Weight: 140g Usage These bearings are generally used in a variety of applications, including: Electric motors Wheel bearings Agriculture Transportation And many more Other information Package Contents: 50 x Deep Groove Ball Bearings Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.