Timken 55187 Single Row Tapered Roller Bearing Cone

Description:

The Timken 55187 Cone is a precision single-row tapered roller bearing cone designed to support heavy combined radial and axial loads in demanding industrial and mobile equipment. Its separable cone design simplifies installation and maintenance while providing excellent load-carrying capacity, accurate shaft alignment, and long service life. It is commonly used in industrial gearboxes, rolling mills, mining equipment, construction machinery, heavy-duty axles, and power transmission systems.

Applications:

The Timken 55187 Cone is engineered for applications requiring high radial and thrust load capacity with dependable rotational performance. It is commonly paired with Timken 55437, 55443, or 55444D bearing cups and is widely used in industrial gearboxes, rolling mills, mining and aggregate equipment, construction machinery, heavy-duty conveyors, and power transmission systems where durability and precise load distribution are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 55187
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cone
• Bearing Type: Single Row Tapered Roller Bearing (TS)
• Cone Part Number: 55187
• Series: 55000 Series
• Design Units: Inch (Imperial)
• Cage Material: Stamped Steel
• Bore Diameter (ID): 1.8750 in (47.625 mm)
• Inner Ring Width (B): 1.0594 in (26.909 mm)
• Dynamic Radial Load Rating (C90): 7,350 lbf (32,700 N)
• Dynamic Radial Load Rating (C1): 28,300 lbf (126,000 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)
• Dynamic Axial Load Rating (Ca90): 11,100 lbf (49,500 N)
• Static Radial Load Rating (C0): 26,700 lbf (119,000 N)
• Maximum Shaft Fillet Radius: 0.140 in (3.600 mm)
• Shaft Backing Shoulder Diameter – Frontface (da): 2.44 in (62 mm)
• Shaft Backing Shoulder Diameter – Backface (db): 2.72 in (69 mm)
• Effective Center Location: 0.28 in (7.1 mm)
• Geometry Factor (Cg): 0.109
• K Factor: 0.66
• Weight: 6.11 lb (2.773 kg)
• Compatible Bearing Cups: Timken 55437, 55443, 55444D
• Typical Applications: Industrial Gearboxes, Rolling Mills, Mining Equipment, Construction Machinery, Heavy-Duty Power Transmission Systems.

Common Replacements:

• SKF Equivalent Tapered Roller Bearing Cone
• NTN Equivalent Tapered Roller Bearing Cone
• Timken 55437 Bearing Cup