204SZZ Deep Groove Sealed 20 x 47 x 14 Ball Bearing204SZZ Sealed Ball Bearing 20 x 47 x 14 mm 204SZZ Sealed Ball Bearing, the 204SZZ inner diameter is 20mm, 204SZZ outer diameter is 47mm and the 204SZZ width is 14mm, 204SZZ is commonly used in industrial, commercial, and mechanical systems, 204SZZ made from durable 52100 alloy steel, commonly known as chrome steel,204SZZ bearing has 2 Blue Rubber Seals to protect the bearing from dust or any possible contamination, 204 SZZ bearing is pre lubricated