Timken 387AS Cone w 382A Cup Tapered Roller Bearing

Description:

The Timken 387AS cone with 382A cup is a single-row tapered roller bearing assembly used in 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 assembly for equipment repair, bearing replacement, and drivetrain retrofits to maintain dependable machine performance and extended service life.

Applications:

The Timken 387AS cone with 382A 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): 387AS / 382A
• Manufacturer: Timken
• Product Type: Tapered roller bearing assembly
• Bearing Type: Single-row tapered roller bearing (TS)
• Cone Part Number: 387AS
• Cup Part Number: 382A
• Design Units: Imperial
• Bore Diameter: 2.2500 in (57.150 mm)
• Outside Diameter: 3.8125 in (96.838 mm)
• Overall Width: 0.8268 in (21.001 mm)
• Cone Width: 0.8640 in (21.946 mm)
• Cup Width: 0.6250 in (15.875 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)
• Cage Material: Stamped steel
• Weight: 1.3 lb (0.6 kg)

Common Replacements:

• SKF 387AS/382A
• NTN 387AS/382A
• KOYO 387AS/382A