Timken NA48390 Double-Row Tapered Roller Bearing Cone

Description:

The Timken NA48390 roller bearing cone is used in double-row tapered roller bearing assemblies that support combined radial and axial loads in heavy-duty rotating equipment. Commonly installed in industrial gearboxes, rolling mills, mining machinery, conveyors, and heavy material handling systems. Maintenance teams, OEMs, and system integrators use this bearing cone for replacement, equipment overhaul, and reliability-focused maintenance in demanding industrial applications.

Applications:

The Timken NA48390 roller bearing cone is designed for use in heavy industrial machinery where high radial and thrust loads are encountered simultaneously. It is commonly used in mining equipment, steel processing machinery, industrial gearboxes, conveyor systems, paper mills, and other rotating equipment that requires precise shaft support, high load capacity, and extended bearing service life.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): NA48390
• Product Type: Roller bearing cone
• Bearing Type: Double-row tapered roller bearing cone (inner ring assembly)
• Series: TNA (tapered non-adjustable double row)
• Cone Part Number: NA48390
• Design Unit: Inch
• Cage Type: Steel cage
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Application: Heavy-duty rotating equipment
• Compatible Bearing Type: Double-row tapered roller bearing assembly
• Compatible Cup: Matching Timken double cup (application dependent)
• Lubrication: Oil or grease lubrication
• Precision Design: Engineered for high load capacity and accurate shaft positioning
• Brand Origin: Timken engineered bearing product

Common Replacements:

• Timken NA48390 bearing assembly
• Timken NA48390 matching double cup assembly
• Timken NA48390 replacement cone