Timken 745373 Tapered Roller Bearing Cone Assembly

Description:

The Timken 74537 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, mining equipment, construction machinery, 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. The supplied part number 745373 does not appear in Timken's catalog and is likely a reference to 74537.

Applications:

The Timken 74537 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, industrial drives, conveyors, heavy-duty axles, mining machinery, and other rotating equipment requiring dependable load distribution, reduced friction, and long-lasting bearing performance under continuous operating conditions. It is commonly paired with the Timken 74850 bearing cup.

Technical Specifications:

• Manufacturer Part Number (MPN): 74537 (supplied as 745373)
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cone
• Bearing Type: Single Row Tapered Roller Bearing Cone (TS)
• Cone Part Number: 74537
• Series: 74000 Series
• Design Units: Inch (Imperial)
• Material: Through-Hardened Chrome Steel
• Precision Rating: ABMA Class 2 (Standard)
• Bore Diameter (d): 5.3750 in (136.525 mm)
• Inner Ring Width (B): 1.8750 in (47.625 mm)
• Dynamic Radial Load Rating (C1): 85,900 lbf (382,000 N)
• Dynamic Radial Load Rating (C90): 22,300 lbf (99,000 N)
• Static Radial Load Rating (C0): 138,000 lbf (614,000 N)
• Dynamic Axial Load Rating (Ca90): 18,600 lbf (82,600 N)
• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)
• Shaft Backing Shoulder Diameter – Frontface (da): 5.83 in (148.00 mm)
• Shaft Backing Shoulder Diameter – Backface (db): 6.10 in (155.00 mm)
• Geometry Factor (Cg): 0.134
• Weight: 29.57 lb (13.411 kg)
• Compatible Bearing Cup: Timken 74850
• Typical Applications: Industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, power transmission systems.

Common Replacements:

• SKF 74537
• NTN 74537
• KOYO 74537