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NTN 4T-15123 Tapered Roller Bearing Cone – Precision Inner Race for Radial and Axial Load Applications
The NTN 4T-15123 is a tapered roller bearing cone (inner race) with a 1.25-inch inner diameter, engineered to provide high performance in assemblies requiring combined radial and axial load support. Commonly used in wheel hubs, axles, transmissions, and gear reduction systems, this bearing cone offers reliable strength and long-lasting operation.
Made from hardened bearing-grade steel, the 4T-15123 features precision-ground tapered rollers and raceways for smooth motion, low friction, and effective load distribution. When paired with a compatible cup—typically NTN 4T-15245—it forms a complete tapered roller bearing assembly suitable for OEM or aftermarket use.
Trusted across automotive, industrial, and agricultural applications, the NTN 4T-15123 delivers tight tolerances, rugged construction, and proven NTN engineering for demanding environments.
Choose the NTN 4T-15123 Bearing Cone for durable performance, precise fit, and dependable operation in critical rotating assemblies.
1–3 Days in Most States
Bulk Discounts Available
OEM-Approved Lubricants
Fleets & Operators
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