10pcs 6004 2RS1 Rubber Sealed Deep groove Ball Bearings 20x42x12 mm

Features: These bearings are made of high quality steel for low noise and long service life. They are rubber sealed to avoid contaminants entering and save lubricant. Bearings have a 20mm inner diameter, a 42mm outer diameter, and a 12mm thickness. These are great for small hobby 20mm shaft rod projects. There comes total 10 pieces miniature bearings which you may use for many different projects. Specification: Model: 6004 2RS1 Material: Bearing steel Type: Deep groove high speed Rolling Element: Single row Inner Diameter: 20mm 0.8in Outer Diameter: 42mm 1.7in Thickness: 12mm 0.5in Quantity: 10pcs Weight: 339g 12oz(approx.) Package list: 10 * Bearings .