Ball Bearings 623ZZ 3x10x4mm

Specification: 623ZZ-3 * 10 * 4mm Grey color Material: Chromed steel Suitable for: 3D printer Characteristics: -Selection of metallic material, good quality, long service life -Good operation, high precision -Ideal for international brands instead Purchase Notes: 1. The two logistics of Yanwen Economic Air Mail and China Post ordinary small package Plus have no tracking information, so there is no time limit. We recommend using China Post recommended Air Mail or AliExpress Standard Shipping. 2. We do not accept refunds for minor damage (pin bending, slight abrasion of the screen, etc.) during the transit of the material, and the product may have an error of 1mm., Without affecting the use normal. If you mind, do not buy. 3. Some products provide technical support, if you need help, please contact us, we will process your message the first time. 4. If you have any questions about the product, please contact us before opening a dispute. We will give you the most satisfactory answer. 5. We provide every customer with good quality products, very favorable prices and the most sincere service. We hope to receive your good comments.