Timken 3784 - 3720 Taper Roller Bearing Cup & Cone 3784 3720

Description:

The Timken 3784-3720 tapered roller bearing cup and cone 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 must be supported. Maintenance teams, OEMs, and system integrators use this bearing assembly for equipment repair, bearing replacement, and drivetrain retrofits to ensure reliable operation and extended service life.

Applications:

The Timken 3784-3720 tapered roller bearing assembly is designed for demanding industrial applications requiring precise shaft alignment and high load capacity. It is widely used in industrial gearboxes, conveyor drives, mining machinery, construction equipment, agricultural machinery, and material handling equipment where dependable bearing performance and long service life are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 3784-3720
• Manufacturer: Timken
• Product Type: Tapered roller bearing cup and cone assembly
• Bearing Type: Single-row tapered roller bearing (TS)
• Cone Part Number: 3784
• Cup Part Number: 3720
• Design Units: Imperial
• Bore Diameter: 2.0000 in (50.800 mm)
• Outside Diameter: 3.6718 in (93.264 mm)
• Overall Bearing Width: 1.1875 in (30.163 mm)
• Cone Width: 1.1930 in (30.302 mm)
• Cup Width: 0.9375 in (23.813 mm)
• Dynamic Radial Load Rating (C1): 27,500 lbf (122,000 N)
• Static Radial Load Rating (C0): 34,300 lbf (153,000 N)
• Dynamic Thrust Load Rating (Ca90): 4,120 lbf (18,300 N)
• Cage Material: Stamped steel
• Weight: 1.8 lb (0.80 kg)

Common Replacements:

• SKF 3784/3720
• NTN 3784/3720
• KOYO 3784/3720