4304-2RS Bearing - 2-Row - Sealed 20x52x21mm4304 2RS Bearing Double Row Ball Bearing Rubber Sealed, Deep Groove 20mm x 52mm x 21mm The 4304 2RS Bearing is a double row deep groove ball bearing built for extra radial load support. Featuring rubber seals on both sides and pre lubrication, this chrome steel bearing is ideal for electric motors, gear drives, and heavy duty machinery. Inner diameter: 20mm Outer diameter: 52mm Width: 21mm Type: Double row deep groove ball bearing Closures: Rubber
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