Genuine Wolf 4942 ball bearing, precisely engineered for agricultural applications. This high-quality bearing features an inner diameter of 20 mm, an outer diameter of 47 mm, and a width of 14 mm. It serves as a direct replacement for John Deere part number AL110815 and Massey Ferguson part number 338166X1, ensuring reliable performance in compatible machinery such as John Deere 5R series and Massey Ferguson 5400 series tractors.