Giới thiệu Set 10 Vòng Bi 693ZZ 3 * 8 * 4mm Chuyên Dụng
【STR】10pcs 693ZZ Miniature Ball Bearings 3*8*4mm Small Double Shielded BearFeatures: These miniature bearings are made of high quality bearing steel for low noise and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have a 3mm inner diameter, a 8mm outer diameter, and a 4mm thickness. These are great for small hobby 3mm shaft/rod projects such as 3D printer, quadcopter or ship model. There comes total 10 pieces miniature bearings which you may use for many different projects.