Timken 643-20014 Tapered Roller Bearing Cone Assembly

Description:

The Timken 643-20014 tapered roller bearing cone is a precision inner race assembly designed for single row tapered roller bearing systems that support combined radial and axial loads in heavy-duty rotating equipment. Commonly installed in industrial gearboxes, construction machinery, mining equipment, heavy-duty trailers, and power transmission systems where accurate shaft alignment and dependable load handling are required. Maintenance teams, OEMs, and system integrators use this bearing cone for equipment repairs, bearing replacements, retrofit projects, and preventive maintenance to maximize bearing performance and service life.

Applications:

The Timken 643-20014 tapered roller bearing cone is engineered for use with compatible Timken bearing cups in demanding industrial and mobile equipment. It is widely used in wheel-end assemblies, heavy-duty axles, industrial drives, conveyors, agricultural machinery, and other rotating equipment requiring dependable load distribution, reduced friction, and long-lasting bearing performance under continuous operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 643-20014
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cone
• Bearing Type: Single Row Tapered Roller Bearing Cone (TS)
• Cone Part Number: 643
• Series: 635 Series
• Design Units: Inch (Imperial)
• Material: Chrome Steel
• Precision Rating: ABMA Class 2
• Bore Diameter (ID): 2.7500 in (69.850 mm)
• Cone Width (B): 1.6250 in (41.275 mm)
• Cage Material: Steel
• Operating Temperature Range: -65 to +250 °F (-54 to +121 °C)
• Finish: Uncoated
• Compatible Bearing Cups: Timken 632, 632B, 633
• Weight: 3.61 lb (1.64 kg)

Common Replacements:

• SKF 643
• NTN 643
• NSK 643