In the bearing industry, there are many technical terms that are essential for understanding how bearings function and are categorized. Here are some of the most commonly used terms and their definitions:

1. Capped Bearing with Seals or Dust Covers: Bearings that feature one or two seals, dust caps, or a combination of both. These components help protect the internal structure from contamination and maintain lubrication.
2. Pre-Smoothed Bearing: A bearing that has been pre-treated with smoothing rollers during the manufacturing process to ensure better performance and longevity.
3. Instrument Bearing: A specialized type of rolling bearing designed for use in precision instruments where high accuracy is required.
4. Combined Bearing: Bearings that are paired together, either as a set or in groups, to meet specific mechanical requirements and improve load distribution.

Radial Bearings

Radial bearings are primarily designed to support radial loads. Their nominal contact angle typically ranges from 0° to 45°. They consist of an inner ring, outer ring, rolling elements, and sometimes a cage.

• Radial Contact Bearing: A radial bearing with a nominal contact angle of 0°, ideal for applications where pure radial loads are present.
• Angular Contact Radial Bearing: A bearing with a contact angle greater than 0° but less than 45°, capable of handling both radial and axial loads.
• Spherical Bearing: A radial bearing with an outer spherical surface and a wide inner ring, often used in applications where misalignment is expected.
• Tapered Bore Bearing: A radial bearing with a conical inner bore, allowing for easier installation and removal on tapered shafts.
• Flanged Bearing: A radial roller bearing that features a flange on one of its rings, typically on the outer ring or conical part, to provide additional guidance and support.
• Roller Bearing: A radial bearing that uses cylindrical or tapered rollers as the rolling elements, providing high load capacity and durability.
• Retaining Ring Roller Bearing: A type of roller bearing that uses flat retaining rings to hold the rollers in place, offering stability and reduced friction.
• Universal Matching Bearing: Bearings that are manufactured to work in pairs or groups, ensuring consistent performance and predictable characteristics when installed together.

For more information on bearings and related topics, visit the China Bearing Network. Explore our resources to gain deeper insights into bearing technology and maintenance practices.

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This article was originally published on China Bearing Network.

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