Timken HH421210 Tapered Roller Bearing Cup Outer Ring

Description:

The Timken HH421210 tapered roller bearing cup is a single cup outer ring designed for use with a matching tapered roller bearing cone to support combined radial and axial loads in heavy-duty industrial rotating equipment. Commonly installed in industrial gearboxes, conveyors, mining equipment, construction machinery, rolling mills, and power transmission systems where dependable bearing performance is required. Maintenance teams, OEMs, and system integrators use this bearing cup for equipment repair, bearing replacement, machine rebuilds, and drivetrain retrofits.

Applications:

The Timken HH421210 tapered roller bearing cup is engineered for demanding industrial applications requiring high load capacity, accurate shaft alignment, and long service life. It is widely used in industrial gear reducers, mining and aggregate equipment, rolling mills, material handling systems, heavy-duty conveyors, and other rotating machinery operating under combined radial and axial loads when paired with the compatible Timken HH421246C or HH421246CV tapered roller bearing cone.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): HH421210
• Product Type: Tapered roller bearing cup
• Bearing Type: Single cup (outer ring)
• Series: HH421200
• Design Series: TS (tapered single)
• Outside Diameter (OD): 7.2500 in (184.150 mm)
• Outer Ring Width (C): 2.0625 in (52.388 mm)
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Maximum Housing Fillet Radius: 0.130 in (3.30 mm)
• Weight: 16.1 lb (7.3 kg)
• Compatible Cone: Timken HH421246C or HH421246CV

Common Replacements:

• Timken HH421246C/HH421210 bearing set
• Timken HH421246CV/HH421210 bearing set
• NTN HH421210 equivalent