Timken A2126 Tapered Roller Bearing Cup

Description:

The Timken A2126 is a single cup tapered roller bearing designed to mate with a compatible Timken cone to support combined radial and axial loads in industrial and automotive applications. As the outer ring component of a separable tapered roller bearing assembly, the A2126 provides precise raceway geometry, excellent load distribution, and dependable performance under continuous-duty operating conditions. Manufactured from high-quality through-hardened bearing steel, this bearing cup is commonly used in wheel hubs, trailers, agricultural machinery, gearboxes, and general industrial equipment. Maintenance teams, OEMs, and system integrators specify the Timken A2126 for equipment replacement, retrofit projects, expansion, and preventive maintenance to improve reliability and reduce downtime.

Applications:

The Timken A2126 tapered roller bearing cup is engineered for applications requiring accurate shaft alignment and the ability to withstand combined radial and thrust loads. When paired with the appropriate Timken cone, it delivers smooth operation, extended bearing life, and reliable performance in automotive wheel hubs, trailers, agricultural equipment, industrial gearboxes, machine tools, and general power transmission systems.

Technical Specifications:

• Manufacturer Part Number (MPN): A2126
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cup
• Bearing Type: Single Cup Tapered Roller Bearing (TS)
• Series: A2000
• Design Units: Inch
• Material: Through-Hardened Bearing Steel
• Outside Diameter (OD): 1.2595 in (31.991 mm)
• Outer Ring Width (C): 0.3125 in (7.938 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 1.18 in (30.00 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 1.02 in (25.91 mm)
• Maximum Housing Fillet Radius: 0.050 in (1.27 mm)
• e Factor: 0.41
• Y Factor: 1.48
• Geometry Factor (Cg): 0.0308
• Weight: Approximately 0.10 lb (0.045 kg)
• Compatible Cone: Timken A2031
• Typical Applications: Automotive wheel bearings, trailers, agricultural machinery, industrial gearboxes, machine tools, and general industrial equipment.

Common Replacements:

• Timken A2031/A2126 Bearing Set
• NTN A2126 Tapered Roller Bearing Cup
• SKF A2126 Tapered Roller Bearing Cup