Timken 15520B Single Tapered Roller Bearing Cup

Description:

The Timken 15520B tapered roller bearing cup is used in single-row tapered roller bearing assemblies to support combined radial and axial loads while providing accurate raceway alignment for reliable bearing performance. Commonly installed in industrial gearboxes, conveyors, agricultural equipment, construction machinery, machine tools, and power transmission systems where durable tapered roller bearings are required. Maintenance teams, OEMs, and system integrators use this bearing cup for equipment repairs, machine rebuilds, preventative maintenance, and replacement of worn bearing components.

Applications:

The Timken 15520B tapered roller bearing cup is commonly used in conveyor drive systems, industrial gearboxes, pumps, agricultural machinery, construction equipment, and other heavy-duty rotating equipment where dependable load capacity and long service life are essential. It is designed to be paired with compatible Timken 15580 series bearing cones to form a complete single-row tapered roller bearing assembly.

Technical Specifications:

• Manufacturer: Timken
• Model / Part number: 15520B
• Product type: Tapered roller bearing cup
• Bearing type: Single-row tapered roller bearing cup (TSF design)
• Series: 15500 Series
• Outside diameter: 2.6875 in (68.263 mm)
• Cup width: 0.6875 in (17.463 mm)
• Design units: Imperial
• Cup style: Single flanged (B designation)
• Material: Through-hardened bearing steel
• Compatible bearing cones: Timken 15578, 15580, 15590
• Mounting: Single-row tapered roller bearing assembly
• Application environment: Industrial machinery, power transmission equipment, agricultural and construction equipment
• Weight: Approximately 0.70 lb (0.32 kg)

Common Replacements:

• SKF 15580/15520B tapered roller bearing
• NTN 15580/15520B tapered roller bearing
• KOYO 15580/15520B tapered roller bearing