1B6573 - CUP-ROLLER BEARING 3F5920 HH221410 1M6573 74850 !!!FREE SHIPPING!One New Aftermarket Replacement Tapered Roller Bearing Cup for Caterpillar (Cat) Equipment This tapered roller bearing cup (outer race) serves as the outer raceway for the tapered roller bearing assembly, pairing with a cone (inner ring assembly, sold separately) to handle both radial and axial loads in Caterpillar construction and agricultural equipment. The cup seats into the housing or casing and provides the precision surface on which the tapered