A-520019-AI Bearing (3920) model-800MI It is a direct aftermarket

It is a direct aftermarket replacement Fits John Deere part number PM90873A / AT183848 and fits a wide range of equipment using 3" exhaust stacks

144 cubic inch diesel

309005X10A

Pin Dimensions: 3

A-520019-AI Bearing (3920) model-800MI It is a direct aftermarketOne New Aftermarket Replacement Bearing (Cup) Timken 3920 This is a tapered roller bearing cup (outer ring) identified by the industry standard number 3920. The 3920 is a single cup used in tapered roller bearing assemblies, typically paired with a matching cone (inner ring assembly) and mounted in opposing pairs on a shaft to handle both radial and axial loads across a wide range of agricultural, construction, and industrial equipment applications.