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Koyo 598A Tapered Roller Bearing Cone – Precision Inner Race for High-Load Rotational Applications
The Koyo 598A is a tapered roller bearing cone (inner race) with a 3.625-inch inner diameter, built to handle heavy radial and axial loads in demanding applications. Commonly paired with a cup such as the Koyo 592, it forms a robust tapered roller bearing assembly suited for axles, wheel hubs, gearboxes, and powertrain systems in heavy-duty vehicles and industrial equipment.
Manufactured from high-quality bearing steel, the 598A is designed for superior wear resistance, dimensional accuracy, and long service life. Its tapered roller geometry ensures smooth operation, efficient load transfer, and reliability under shock, vibration, and continuous duty cycles.
Ideal for use in trucks, trailers, agricultural machinery, and construction equipment, the Koyo 598A delivers OEM-level performance with consistent results in both original installations and replacement scenarios.
Trust the Koyo 598A Tapered Roller Bearing Cone for strength, precision, and endurance in critical bearing systems.
1–3 Days in Most States
Bulk Discounts Available
OEM-Approved Lubricants
Fleets & Operators
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