4T-6460/6420 NTN Tapered Roller Bearing 73.025x149.225x53.975mm

The NTN 4T-6460/6420 is a high-performance single-row tapered roller bearing designed to handle combined radial and axial loads with excellent efficiency. Manufactured by NTN, a globally trusted leader in precision engineering, this bearing delivers superior durability, reliability, and performance in demanding industrial and automotive applications.

Engineered with precision-ground raceways and tapered rolling elements, the 4T-6460/6420 ensures optimal load distribution and reduced friction, resulting in extended service life and consistent operation under heavy loads. Its robust pressed steel cage enhances stability while maintaining high rotational accuracy.

This bearing is widely used in gearboxes, heavy machinery, construction equipment, and vehicle axles, where strength and reliability are critical.

Key Features

Premium tapered roller bearing design for combined load handling
High load capacity for heavy-duty applications
Durable case-hardened steel construction for long service life
Precision engineering for reduced friction and wear
Suitable for high-speed and high-load environments
Reliable performance in harsh operating conditions

Technical Specifications

Inner Diameter (d): 73.025 mm
Outer Diameter (D): 149.225 mm
Width (T): 53.975 mm
Dynamic Load Rating (C): approximately 287 to 320 kN
Static Load Rating (C₀): approximately 410 kN
Limiting Speed (Grease): 2,500 rpm
Limiting Speed (Oil): 3,400 rpm
Weight: approximately 4.4 kg

Applications

Automotive transmissions and wheel hubs
Industrial gearboxes
Construction and agricultural machinery
Heavy-duty rotating equipment