The Timken Company 55175/55437 Roller Bearing Cup and Cone Assembly

Description:

The Timken 55175/55437 Roller Bearing Cup & Cone Assembly is a precision single-row tapered roller bearing assembly consisting of the 55175 cone and 55437 cup. It is engineered to support heavy combined radial and axial loads while providing accurate shaft alignment, high load capacity, and long service life. The separable cup-and-cone design simplifies installation and maintenance, making it suitable for industrial gearboxes, rolling mills, mining equipment, construction machinery, heavy-duty axles, and power transmission systems.

Applications:

The Timken 55175/55437 Bearing Assembly is designed for demanding industrial applications requiring reliable support for combined radial and thrust loads. It is commonly used in industrial gearboxes, mining and aggregate equipment, rolling mills, construction machinery, heavy-duty conveyors, and power transmission systems where durability, precise load distribution, and extended bearing life are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 55175/55437
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cup & Cone Assembly
• Bearing Type: Single Row Tapered Roller Bearing (TS)
• Cone Part Number: 55175
• Cup Part Number: 55437
• Series: 55000 Series
• Design Units: Inch (Imperial)
• Cage Material: Stamped Steel
• Bore Diameter (ID): 1.7500 in (44.450 mm)
• Outside Diameter (OD): 4.3750 in (111.125 mm)
• Overall Bearing Width (T): 1.1875 in (30.163 mm)
• Cone Width (B): 1.0594 in (26.909 mm)
• Cup Width (C): 0.8125 in (20.638 mm)
• Dynamic Radial Load Rating (C1): 28,300 lbf (126,000 N)
• Dynamic Radial Load Rating (C90): 7,350 lbf (32,700 N)
• Dynamic Axial Load Rating (Ca90): 11,100 lbf (49,500 N)
• Two-Row Dynamic Radial Load Rating (C1): 49,400 lbf (220,000 N)
• Two-Row Dynamic Radial Load Rating (C90): 12,800 lbf (56,900 N)
• Static Radial Load Rating (C0): 26,700 lbf (119,000 N)
• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)
• Maximum Housing Fillet Radius: 0.130 in (3.300 mm)
• Shaft Backing Shoulder Diameter – Frontface (da): 2.36 in (60 mm)
• Shaft Backing Shoulder Diameter – Backface (db): 2.64 in (67 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 4.15 in (105.40 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 3.62 in (91.95 mm)
• Effective Center Location: 0.28 in (7.1 mm)
• e Factor: 0.88
• K Factor: 0.66
• Y Factor: 0.68
• Geometry Factor (Cg): 0.109
• Weight: Approximately 3.0 lb (1.4 kg)
• Typical Applications: Industrial Gearboxes, Rolling Mills, Mining Equipment, Construction Machinery, Heavy-Duty Conveyors, Power Transmission Systems.

Common Replacements:

• SKF Equivalent Tapered Roller Bearing Assembly
• NTN Equivalent Tapered Roller Bearing Assembly
• Timken 55175C/55437 (higher-capacity variant)