TIMKEN,3872,ROLLER BEARING CONE

Description:

The Timken 3872 roller bearing cone is a single-row tapered roller bearing cone 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 cone for equipment repair, bearing replacement, and drivetrain retrofits to maintain dependable machine performance and extended service life.

Applications:

The Timken 3872 roller bearing cone 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 performance is essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 3872
• Manufacturer: Timken
• Product Type: Tapered roller bearing cone
• Bearing Type: Single-row tapered roller bearing cone
• Bore Diameter: 1.3750 in (34.925 mm)
• Inner Ring Width (B): 1.1875 in (30.163 mm)
• Dynamic Radial Load Rating (C1): 27,900 lbf (124,000 N)
• Dynamic Radial Load Rating (C90): 7,240 lbf (32,200 N)
• Static Radial Load Rating (C0): 33,200 lbf (148,000 N)
• Dynamic Thrust Load Rating (Ca90): 4,980 lbf (22,200 N)
• K Factor: 1.45
• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)
• Weight: 2.0 lb (0.9 kg)
• Cage Material: Stamped steel
• Compatible Cup: Timken 3820

Common Replacements:

• SKF 3872
• NTN 3872
• KOYO 3872