Needle roller bearings are a type of rolling-element bearing that uses needle rollers as the rolling elements. Needle rollers are long, thin cylinders with a high length-to-diameter ratio. They are typically made of hardened steel and have a smooth, polished surface.
Needle roller bearings are designed to support high radial loads and are often used in applications where space is limited. They are also relatively inexpensive to manufacture. However, needle roller bearings are not as durable as other types of rolling-element bearings and can be damaged by shock loads or misalignment.
Needle roller bearings are used in a wide variety of applications, including:
There are many different types of needle roller bearings, each with its own unique characteristics. The most common types of needle roller bearings include:
When selecting a needle roller bearing, it is important to consider the following factors:
It is also important to consult with a qualified engineer to ensure that the selected bearing meets the specific requirements of the application.
Needle roller bearings require regular maintenance to ensure their proper operation. The following maintenance tasks should be performed periodically:
By following these maintenance guidelines, you can help to ensure that your needle roller bearings provide long-lasting and reliable service.
Type | Radial Load Capacity | Cross-sectional Height | Cost | Durability |
---|---|---|---|---|
Drawn cup | Moderate | Low | Low | Moderate |
Stamped | Low | Low | Low | Low |
Machined | High | High | High | High |
Industry | Application |
---|---|
Automotive | Engines, transmissions |
Industrial | Machinery, pumps |
Aerospace | Aircraft engines, landing gear |
Medical | Surgical instruments, medical devices |
If you are looking for a high-quality needle roller bearing, please contact us today. We offer a wide variety of needle roller bearings to meet your specific needs. We also offer expert advice on needle roller bearing selection, maintenance, and installation.
Contact us today to learn more!
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