Wire raceway bearings, also known as wire race bearings or wire guide bearings, are a type of rolling element bearing designed with a wire raceway instead of traditional solid outer or inner rings. These bearings are commonly used in applications where space is limited or where smooth and precise linear motion is required. Here's how they work and where they are typically used:
Construction: Wire raceway bearings typically consist of a series of ball bearings or rollers arranged between two wire raceways. The wire raceways are formed from thin wire or cable wound in a specific pattern to create a continuous, smooth surface for the rolling elements to move along. The rolling elements, usually balls or rollers, are contained within the wire raceway and provide the bearing with the ability to support radial, axial, or combined loads.
Advantages
Compact Design: Wire raceway bearings have a thinner profile compared to traditional bearings with solid outer or inner rings, making them suitable for applications where space is limited.
Smooth Motion: The wire raceway provides a continuous, low-friction surface for the rolling elements to move along, resulting in smooth and precise linear motion.
Lightweight: The use of wire raceways reduces the overall weight of the bearing, making them suitable for applications where weight is a concern.
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