Timken HM803149 Tapered Roller Bearing Cone Assembly

Description:

The Timken HM803149 tapered roller bearing cone is a precision single cone (inner ring assembly) designed to support combined radial and axial loads in heavy-duty industrial rotating equipment. Commonly installed in industrial gearboxes, conveyors, mining equipment, construction machinery, agricultural equipment, and power transmission systems where dependable shaft support and long service life are required. Maintenance teams, OEMs, and system integrators use this tapered roller bearing cone for equipment repair, replacement, machine rebuilds, and drivetrain retrofits when paired with the compatible Timken HM803110 tapered roller bearing cup.

Applications:

The Timken HM803149 tapered roller bearing cone is engineered for demanding industrial applications requiring high load capacity, precise shaft alignment, and reliable performance under combined radial and axial loads. It is widely used in industrial gear reducers, heavy-duty conveyors, mining and aggregate equipment, construction machinery, agricultural equipment, and other power transmission systems where it operates with the Timken HM803110 tapered roller bearing cup to provide consistent performance and extended bearing life.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): HM803149
• Product Type: Tapered roller bearing cone
• Bearing Type: Single cone (inner ring assembly)
• Series: HM803100
• Design Series: TS (Tapered Single)
• Bore Diameter (ID): 1.7500 in (44.450 mm)
• Inner Ring Width (B): 1.1563 in (29.370 mm)
• Cage Type: Stamped steel cage
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Dynamic Radial Load Rating (C1): 25,600 lbf (114,000 N)
• Static Radial Load Rating (C0): 32,400 lbf (144,000 N)
• Maximum Shaft Fillet Radius: 0.140 in (3.560 mm)
• Shaft Backing Shoulder Diameter (da): 2.10 in (53.4 mm)
• Shaft Backing Shoulder Diameter (db): 2.44 in (62.0 mm)
• Weight: 2.0 lb (0.9 kg)
• Compatible Cup: Timken HM803110

Common Replacements:

• Timken HM803149/HM803110 bearing set
• Timken HM803110 bearing cup
• NTN HM803149 equivalent