NTN NBA5 Tapered Roller Bearing and Race Set

The NTN NBA5 is a premium tapered roller bearing and race set designed for light- to medium-duty automotive applications. Part of the BCA Bearings by NTN product line, this bearing is precision-engineered from high-quality materials to deliver optimal performance and durability in demanding conditions.

Key Features:

• Includes both bearing cone and race cup for complete installation
• Forged-steel construction provides exceptional toughness and durability
• Case carburization process creates a hard, wear-resistant outer shell with a tough ductile core
• Application-specific engineering reduces noise, vibration, and harshness (NVH)
• Rolling element cages reduce friction and operational temperatures
• 40% longer service life compared to through-hardened bearing products
• High load capacity for radial, axial, and combined loads

Specifications:

• Cone bore diameter: 1.375 inches
• Cup outside diameter: 2.563 inches
• Cone width: 0.720 inches
• Cup width: 0.550 inches
• OE-style replacement bearing

This multi-purpose bearing is commonly used in wheel assemblies, transmissions, differentials, and other rotating assemblies where reliable performance is critical. NTN's century of bearing manufacturing expertise ensures precision engineering and quality materials in every component.