Roller Bearing for Timken Tapered 34478One New Aftermarket Replacement Tapered Roller Bearing Cup Fits Case International Harvester and Fits Caterpillar Equipment This aftermarket replacement tapered roller bearing cup (outer ring outer race) is a direct replacement for Timken part number 34478. The cup serves as the outer raceway in a single tapered roller bearing assembly, pairing with a separately purchased cone (inner ring) to support both radial and axial loads. Common applications
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