H414210 Bearing Cup Fits NTNOne New Aftermarket Replacement H414210 Bearing Cup for NTN Tapered Roller Bearing Applications This H414210 is a single cup (outer ring) for an inch series tapered roller bearing, serving as the outer raceway in heavy duty axle, wheel hub, and drivetrain assemblies used in construction, agricultural, and industrial equipment. The cup pairs with a matching cone (inner ring assembly, sold separately) to form a complete single row tapered roller bearing