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4 Q / 32218 Premium Tapered Roller Bearing | Optimized Geometry for Heavy Axial Loads (90x160x48mm)

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Product Category: Tapered Roller Bearing

Product Details

4 Q / 32218 Premium Tapered Roller Bearing | Optimized Geometry for Heavy Axial Loads (90x160x48mm)

The PARKER 4 Q / 32218 Tapered Roller Bearing is engineered to manage extreme combined radial and axial loads typical in heavy industrial machinery and demanding vehicle applications. This bearing features highly precise geometry and optimized roller profiles, ensuring smooth transition of forces and maximum stability even under fluctuating operational conditions. With an inner diameter (d) of 90 mm and a robust 322XX series design, the 4 Q optimization signifies enhanced surface finishes and internal clearances designed to minimize friction torque and operational heat, leading directly to extended lubricant life and reduced energy consumption. Designed for mission-critical industrial applications, including heavy-duty gear drives, differential assemblies, and large-scale conveyor systems, the 4 Q / 32218 guarantees exceptional operational uptime and reduced maintenance frequency. Its separable nature (cone and cup) simplifies installation and maintenance logistics. Leveraging PARKER's commitment to industrial quality, this premium bearing offers superior running accuracy and stiffness necessary for maintaining precision alignment in severe operating environments, ensuring long-term reliability and significant cost savings over the total lifecycle of the equipment.

Key Features

  • 4 Q Geometry Optimization: Provides superior stress distribution and lower operational temperatures for enhanced longevity.
  • Exceptional Combined Load Capacity: Handles high radial and simultaneous axial loads efficiently.
  • Separable Components: Allows for independent mounting of the cone (inner ring assembly) and cup (outer ring) for easier maintenance.
  • High Stiffness: Maintains precise shaft positioning under high operating speeds and variable loads.
  • PARKER Industrial Grade: Manufactured with precision tolerances suitable for continuous, heavy-duty industrial use.

Technical Specifications

d90 mm (Bore Diameter)
D160 mm (Outer Diameter)
T48 mm (Total Width)
B45 mm (Inner Ring Width)
TypeSingle Row Tapered Roller Bearing
Series322XX Medium-Heavy
MaterialHigh-Carbon Chromium Steel
Cr (Dynamic Load Rating)210 kN (Estimated)
Cor (Static Load Rating)275 kN (Estimated)
Designation4 Q / 32218