Timken 387-S Tapered Roller Bearing Cone

Description:

The Timken 387-S tapered 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 machinery, and heavy-duty axle assemblies where high radial and axial load capacity is required. Maintenance teams, OEMs, and system integrators use this bearing cone for equipment repair, bearing replacement, and drivetrain retrofits to ensure reliable performance and extended service life.

Applications:

The Timken 387-S tapered roller bearing cone is designed for demanding industrial applications requiring precise shaft alignment and support for combined radial and thrust loads. It is widely used in industrial gearboxes, conveyor drives, mining machinery, construction equipment, agricultural equipment, and material handling systems where dependable bearing performance and long service life are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 387-S
• Manufacturer: Timken
• Product Type: Tapered roller bearing cone
• Bearing Type: Single-row tapered roller bearing cone
• Bearing Series: 385
• Bore Diameter: 2.2500 in (57.150 mm)
• Inner Ring Width (B): 0.8640 in (21.946 mm)
• Dynamic Radial Load Rating (C1): 24,200 lbf (108,000 N)
• Static Radial Load Rating (C0): 24,100 lbf (107,000 N)
• Dynamic Thrust Load Rating (Ca90): 3,810 lbf (16,900 N)
• Maximum Shaft Fillet Radius: 0.030 in (0.800 mm)
• Weight: 5.55 lb (2.518 kg)
• Cage Material: Stamped steel
• Compatible Cup: Timken 382, 382A, 384DC, 384ED

Common Replacements:

• SKF 387-S
• NTN 387-S
• KOYO 387-S