The 458/20446 is a wheel hub carrier / wheel bearing carrier (also called a hub carrier or hub assembly) with 5-stud configuration.
This component supports the wheel and enables smooth rotation while bearing the load and transmitting driving torque. It houses bearings and provides a mounting interface for the wheel studs.
Key features / role:
The part number 458/20446 refers to aJCB Hub Carrier Wheel Bearing or Wheel Bearing Carrier with 5 studs, designed for variousJCB Backhoe Loaderand other models.It functions as a critical component for the wheel assembly, ensuring proper support and secure attachment of the wheel to heavy machinery.This premium quality part meets OEM standards for reliability and fit, helping to maintain machine efficiency and prevent breakdowns
Holds and supports the wheel bearing(s)
Provides a secure mounting point for the wheel via studs
Must endure radial and axial loads during machine operation
Precision machining to ensure alignment and bearing life
Designed to fit with the hub, axle, seals and related components





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