Timken NA52375 Double Row Tapered Roller Bearing

Description:

The Timken NA52375 tapered roller bearing is used in heavy-duty rotating equipment requiring a double-row tapered roller bearing assembly for combined radial and axial load support. Commonly installed in industrial gearboxes, rolling mills, mining equipment, heavy conveyors, and large material handling machinery. Maintenance teams, OEMs, and system integrators use this bearing for replacement, equipment overhaul, and reliability-focused maintenance in demanding industrial applications.

Applications:

The Timken NA52375 tapered roller bearing is designed for heavy industrial applications where high radial and axial loads must be supported simultaneously. It is commonly used in mining equipment, steel processing machinery, industrial gearboxes, conveyors, heavy-duty pumps, paper mills, and other rotating machinery that requires accurate shaft positioning, long service life, and dependable performance under demanding operating conditions.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): NA52375
• Product Type: Tapered roller bearing cone
• Bearing Type: Double-row tapered roller bearing cone (inner ring assembly)
• Series: TNA (tapered non-adjustable double row)
• Cone Part Number: NA52375
• Design Unit: Inch
• Bore Diameter: 3.7500 in (95.250 mm)
• Inner Ring Width Across Cones (T): 3.2499 in (82.547 mm, when assembled)
• Cage Type: Steel cage
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Dynamic Radial Load Rating (C1): 87,500 lbf (389,000 N)
• Dynamic Radial Load Rating (C90): 13,000 lbf (57,900 N)
• Dynamic Two-Row Radial Rating (C90-2): 22,700 lbf (101,000 N)
• Dynamic Axial Rating (Ca90): 10,600 lbf (47,100 N)
• Weight: Approximately 14.41 lb (6.53 kg)
• Compatible Cup: Timken 52637D double cup
• Related Assembly: Timken NA52375-52637D bearing assembly

Common Replacements:

• Timken NA52375-52637D bearing assembly
• Timken NA52375-90024 bearing assembly
• Timken 52637D double cup (matching cup)