Timken HM905843 Tapered Roller Bearing Cone Inner Ring Assembly

Description:

The Timken HM905843 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 reliable shaft support and long service life are essential. Maintenance teams, OEMs, and system integrators use this tapered roller bearing cone for equipment repair, bearing replacement, machine rebuilds, and drivetrain retrofits.

Applications:

The Timken HM905843 tapered roller bearing cone is engineered for demanding industrial applications requiring high load capacity, precise shaft alignment, and dependable performance under combined radial and axial loads. It is widely used in industrial gear reducers, conveyors, mining and aggregate equipment, agricultural machinery, construction equipment, and other heavy-duty rotating machinery when paired with the compatible Timken HM905810 tapered roller bearing cup.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): HM905843
• Product Type: Tapered roller bearing cone
• Bearing Type: Single cone (inner ring assembly)
• Series: HM905800
• Design Series: TS (tapered single)
• Bore Diameter: 1.7712 in (44.988 mm)
• Inner Ring Width (B): 1.2500 in (31.750 mm)
• Cage Type: Stamped steel cage
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Dynamic Radial Load Rating (C1): 30,300 lbf (135,000 N)
• Static Radial Load Rating (C0): 38,400 lbf (171,000 N)
• Maximum Shaft Fillet Radius: 0.100 in (2.540 mm)
• Weight: 3.0 lb (1.4 kg)
• Compatible Cup: Timken HM905810

Common Replacements:

• Timken HM905810 (matching cup)
• Timken HM905843/HM905810 bearing set
• NTN HM905843 equivalent