Timken 3925 Tapered Roller Bearing

Description:

The Timken 3925 tapered roller bearing cup is a single-row tapered roller bearing cup used in tapered roller bearing assemblies for heavy-duty rotating equipment and industrial power transmission systems. Commonly installed in industrial gearboxes, conveyor systems, mining equipment, construction machinery, agricultural equipment, and heavy-duty axle assemblies where combined radial and axial loads require reliable bearing support. Maintenance teams, OEMs, and system integrators use this bearing cup for equipment repair, bearing replacement, and drivetrain retrofits to maintain dependable machine performance and extended service life.

Applications:

The Timken 3925 tapered roller bearing cup is designed for industrial applications requiring precise shaft alignment and high load-carrying capacity under combined radial and thrust loads. It is widely used in industrial gearboxes, conveyor drives, mining machinery, construction equipment, agricultural machinery, and material handling systems where durable tapered roller bearing assemblies are essential for reliable operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 3925
• Manufacturer: Timken
• Product Type: Tapered roller bearing cup
• Bearing Type: Single-row tapered roller bearing cup
• Bearing Series: 3900
• Outside Diameter: 4.4375 in (112.713 mm)
• Cup Width: 0.9375 in (23.813 mm)
• Weight: 2.6 lb (1.2 kg)
• Housing Backing Shoulder Diameter (Da): 4.18 in (106.17 mm)
• Housing Backing Shoulder Diameter (Db): 3.98 in (101.09 mm)
• Geometry Factor (Cg): 0.109
• Compatible Cones: Timken 3958, 3977, 3979, 3994

Common Replacements:

• SKF 3925
• NTN 3925
• KOYO 3925