Timken 52618 Single Row Tapered Roller Bearing Cup

Description:

The Timken 52618 Tapered Roller Bearing Cup is a single-row tapered roller bearing cup (race) designed to mate with compatible Timken tapered roller bearing cones for supporting heavy combined radial and axial loads in demanding industrial equipment. With a 6-3/16 inch outside diameter and 1-1/32 inch width, it is commonly used in industrial gearboxes, rolling mills, mining equipment, construction machinery, heavy-duty axles, and power transmission systems. Maintenance teams, OEMs, and industrial repair specialists use this bearing cup for equipment replacement, rebuilds, retrofits, and preventive maintenance to ensure reliable operation and extended bearing service life.

Applications:

The Timken 52618 Tapered Roller Bearing Cup is engineered for heavy-duty applications requiring high radial and thrust load capacity, precise shaft alignment, and dependable rotational performance. It is designed to operate with compatible Timken 52375, 52387, 52393, and 52400 series bearing cones and is widely used in industrial gearboxes, rolling mills, mining and aggregate equipment, construction machinery, and heavy-duty power transmission systems.

Technical Specifications:

• Manufacturer Part Number (MPN): 52618
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cup (Race)
• Bearing Type: Single Cup (TS)
• Series: 52000 Series
• Cup Part Number: 52618
• Design Units: Inch
• Outside Diameter (OD): 6.1875 in (157.163 mm)
• Outside Diameter (Nominal): 6-3/16 in
• Cup Width (C): 1.0313 in (26.195 mm) (1-1/32 in)
• Weight: 5.4 lb (2.5 kg)
• Maximum Housing Fillet Radius: 0.130 in (3.30 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 6.00 in (151.90 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 5.59 in (141.99 mm)
• ISO e Factor: 0.47
• Y Factor: 1.26
• Geometry Factor (Cg): 0.152
• Compatible Cone Part Numbers: 52375, 52387, 52393, 52400, 52400D
• Typical Applications: Industrial Gearboxes, Rolling Mills, Mining Equipment, Construction Machinery, Heavy-Duty Power Transmission Systems.

Common Replacements:

• SKF Equivalent Tapered Roller Bearing Cup
• NTN Equivalent Tapered Roller Bearing Cup
• Timken 52618-B Flanged Bearing Cup