Timken HM89443 Tapered Roller Bearing Cone Inner Ring

Description:

The Timken HM89443 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 extended bearing life are essential. 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 HM89410 bearing cup.

Applications:

The Timken HM89443 tapered roller bearing cone is engineered for demanding industrial applications requiring accurate shaft alignment, high load capacity, 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 HM89410 tapered roller bearing cup to provide long service life and consistent performance.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): HM89443
• Product Type: Tapered roller bearing cone
• Bearing Type: Single cone (inner ring assembly)
• Series: HM89400
• Design Series: TS (Tapered Single)
• Bore Diameter (ID): 1.3125 in (33.338 mm)
• Inner Ring Width (B): 1.1250 in (28.575 mm)
• Cage Type: Stamped steel cage
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Dynamic Radial Load Rating (C1): 24,800 lbf (110,000 N)
• Static Radial Load Rating (C0): 26,700 lbf (119,000 N)
• Maximum Shaft Fillet Radius: 0.030 in (0.800 mm)
• Weight: 1.5 lb (0.7 kg)
• Compatible Cup: Timken HM89410

Common Replacements:

• Timken HM89443/HM89410 bearing set
• Timken HM89410 bearing cup
• NTN HM89443 equivalent