39521 Bearing Cup Fits NTN model-674 (W/ D239 ENGINE) 410 -- Prior to S/N

410 -- Prior to S/N 1200015063

Note: hardware is not included - use existing hardware from the tractor

Sprocket compatibility: 15 in

One New Aftermarket Replacement Main Drive Gear that Fits Massey Ferguson Tractor Models 135

39521 Bearing Cup Fits NTN model-674 (W/ D239 ENGINE) 410 -- Prior to S/NOne New Aftermarket Replacement 39521 Bearing Cup for NTN Tapered Roller Bearings This aftermarket replacement 39521 bearing cup is the outer ring (cup race) of a single row tapered roller bearing in the inch series 39500 line. The cup pairs with a separately purchased cone (inner ring assembly) to form a complete tapered roller bearing capable of handling combined radial and axial loads. Common applications include axle systems, differentials,