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Hub
01
the central part of a wheel where the axle is housed, allowing the wheel to rotate freely
What is a "hub"?
A hub is the central part of a wheel where it attaches to the vehicle. It connects the wheel to the axle and allows it to rotate smoothly. The hub also contains parts that help reduce friction and make the wheel turn efficiently. In addition to supporting the wheel, the hub often has bolts or fasteners that hold the tire in place. Hubs are found on all vehicles with wheels, from cars to bicycles, and are crucial for the vehicle’s movement and stability.
Example
The racing team upgraded the car 's hubs to improve handling and performance.
The mechanic inspected the hub bearings to ensure smooth wheel rotation.
The manufacturer recommends greasing the hub bearings during routine maintenance.
02
a center of activity or interest or commerce or transportation; a focal point around which events revolve
03
a central station, airport, etc. that provides passengers with many services
Example
The racing team upgraded the car's hubs to improve handling and performance.
The mechanic inspected the hub bearings to ensure smooth wheel rotation.
The manufacturer recommends greasing the hub bearings during routine maintenance.
The auto shop specializes in refurbishing vintage car hubs for restoration projects.
The hub of the rear wheels showed signs of wear and needed replacement.
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