Timken 623G50 Tapered Roller Bearing Cone Assembly

Description:

The Timken 623 bearing cone G50 is a precision tapered roller bearing cone designed for single row tapered roller bearing assemblies 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 reliable load handling are essential. 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 623 bearing cone G50 is engineered for use with compatible tapered roller bearing cups in demanding industrial and mobile equipment. It is widely used in wheel-end assemblies, industrial drives, conveyors, heavy-duty axles, and other rotating machinery requiring dependable load distribution, reduced friction, and long-lasting bearing performance under continuous operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 623
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cone
• Bearing Type: Single Row Tapered Roller Bearing Cone (TS)
• Cone Part Number: 623
• Factory Code: G50
• Design Units: Inch (Imperial)
• Bore Diameter (d): 2.2500 in (57.150 mm)
• Inner Ring Width (B): 1.6250 in (41.275 mm)
• Dynamic Radial Load Rating (C1): 46,600 lbf (207,000 N)
• Dynamic Radial Load Rating (C90): 12,100 lbf (53,800 N)
• Static Radial Load Rating (C0): 54,800 lbf (244,000 N)
• Dynamic Axial Load Rating (Ca90): 6,510 lbf (28,900 N)
• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)
• Shaft Backing Shoulder Diameter – Frontface (da): 2.600 in (66.000 mm)
• Shaft Backing Shoulder Diameter – Backface (db): 2.830 in (72.000 mm)
• e Factor: 0.31
• K Factor: 1.86
• Y Factor: 1.91
• Geometry Factor (Cg): 0.0694
• Weight: 4.8 lb (2.2 kg)

Common Replacements:

• Timken 623A
• Timken 623V
• SKF 623