6208UU Sealed Ball Bearing 40x80x18mmBall Bearing 6208UU 40 x 80 x 18 mm One Bearing 6208UU Ball Bearing inner diameter is 40mm, outer diameter is 80mm and width is 18mm, Ball Bearing 6208UU is commonly used in industrial, commercial, and mechanical systems, made from durable 52100 alloy steel, commonly known as chrome steel and can rotate up to 40,000 rpm, each 6208UU bearing is equipped with two rubber seals to shield against dust and contaminants, bearing is pre lubricated with