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Axle Casing:

  • Definition:
  • An axle casing is a tubular housing that encloses the differential, half-shafts, and their bearings. It is a key component in the rear axle assembly of vehicles, providing support and protection for these crucial parts.
  • Components Enclosed:
  • Differential: Allows for the difference in wheel speeds between the left and right wheels.
  • Half-Shafts: Transfer power from the differential to the wheels.
  • Bearings: Support the rotating parts and reduce friction.
  • Function:
  • Support: The axle casing supports the differential and half-shafts, ensuring they are properly aligned.
  • Protection: Protects the internal components from dirt, debris, and damage.
  • Lubrication: Contains the lubricant that keeps the differential and bearings functioning smoothly.
  • Terminology:
  • British Term: Axle Casing
  • US Term: Axle Housing

In summary, the axle casing (or axle housing in American terminology) is essential for the proper functioning and protection of the differential, half-shafts, and their bearings in a vehicle’s rear axle assembly.

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