10pcs Mini Ball Bearings MR85ZZ Double shielded for 3D Printer Model Making 5x8x2.5mm Spherical Plain

GREAT QUALITY: These mini bearings are made of high quality bearing steel for low noise and long service life. DOUBLE SHIELDED DESIGN: They are double shielded to avoid contaminants entering and save lubricant. SIZE: Bearings have a 5mm inner diameter, a 8mm outer diameter, and a 2.5mm thickness. WIDELY APPLICATION: These mini ball bearings are great for small hobby 5mm shaft/rod projects such as 3D printer, quadcopter or ship model. COST-EFFECTIVE: There comes total 10 pieces mini bearings which you may use for many different projects.