8483.30.80.40 - Other

This HTS category, 8483.30.80.40, encompasses bearing housings that are not designed for ball or roller bearings. These are typically housings that support plain shaft bearings, where the shaft rotates directly within the housing with a layer of lubricant separating the two. Examples include housings for journal bearings, sleeve bearings, or split bearings that rely on sliding friction rather than rolling motion. The primary function of these housings is to contain and support the plain bearing element, ensuring proper alignment and lubrication for the rotating shaft.

This classification is distinguished from its sibling category, 8483.30.80.20, which specifically covers bearing housings for ball or roller type bearings. While both serve to house bearings, the internal design and function are fundamentally different, dictating their separate classifications. The key differentiator lies in the type of bearing supported: sliding contact versus rolling contact.

As this is a leaf node in the HTS structure, there are no further subcategories. Therefore, the classification of goods within 8483.30.80.40 relies entirely on identifying that the bearing housing is intended for plain shaft bearings, excluding those designed for ball or roller bearings. The material and specific design of the housing, such as whether it is split or solid, are secondary considerations once the primary bearing type is established.