axle-box

The mechanic inspects the axle-box of the railway carriage.

Definition

1. Noun:
   • A housing for an axle bearing: An "axle-box" is a mechanical component, typically a box-like casing, that encloses and supports the bearing of an axle, especially on a railway car, wagon, or other vehicle. It contains lubricant to reduce friction and protect the axle end.

Usage Examples

• Noun:
  • The train's axle-box was inspected for wear before the long journey. (The housing for the axle bearing on the train was checked.)
  • Grease was applied to the axle-box to ensure smooth rotation of the wheel. (Lubricant was added to the bearing housing.)

Advanced Usage

• "axle-box lid": The removable cover or door on an axle-box, used for access to the bearing.

  • He opened the axle-box lid to check the oil level. (He lifted the cover of the bearing housing.)

• "axle-box guard": A protective bar or plate fitted near the axle-box to prevent debris from entering.

  • The axle-box guard was bent after the collision. (The protective piece near the bearing housing was damaged.)

Variants and Related Words

• Axle (n): The central shaft for a rotating wheel or gear.

  • The axle of the cart was made of iron. (The central rod that supports the wheel.)

• Box (n): A container or receptacle, often with a lid.

  • He stored the tools in a wooden box. (A container for storage.)

Synonyms

• Bearing housing: A mechanical casing that contains a bearing.
• Journal box: Another term for axle-box, especially in railway contexts.

Related Idioms

• "to grease the axle-box": (Figurative, informal) To bribe or pay off someone to ensure smooth operations.
  • He greased the axle-box of the official to get the permit approved. (He bribed the official.)

Phrasal Verbs

• (None directly associated with "axle-box"; however, "box in" can be used metaphorically for enclosing something.)
  • The broken axle-box boxed in the wheel, preventing it from turning. (The housing trapped the wheel.)