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CIN: U29130WB1946PLC013643
Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.
Imagine a tiny, cylindrical roller—a needle roller—nestled snugly within a framework, like a bird in its cage. This setup forms what we call a needle roller bearing, a compact yet powerful component used in machinery across various industries. These bearings come with inner and outer rings that provide support and housing for the needle rollers, ensuring smooth rotation even in tight spaces. Their ability to handle heavy loads in small areas makes them a go-to choice in everything from cars to airplanes.
| Products | Principal Dimensions | Basic Load Ratings | |||
|---|---|---|---|---|---|
| Dynamic | Static | ||||
| d [mm] | D [mm] | B [mm] | C [kn] | Co [kn] | |
So, what makes needle roller bearings stand out?
Needle roller bearings are the unsung heroes in many machines you encounter daily.
Even high performing bearings require regular check-ups to spot signs of wear or dirt buildup to prevent unexpected breakdowns. By staying on top of maintenance tasks, you can ensure your needle roller bearings keep ticking like clockwork for years to come.
By adhering to a proactive maintenance regimen, users can optimize the performance and longevity of needle roller bearings in their applications.
Needle roller bearings are used to support high radial loads in applications with limited installation space, such as automotive transmissions, heavy machinery, and aerospace systems.
The main difference between cylindrical roller bearings and needle roller bearings lies in their design and dimensions.
Cylindrical roller bearings have cylindrical rollers with a larger diameter-to-length ratio, while needle roller bearings have slender cylindrical rollers with a higher length-to-diameter ratio, allowing them to support higher radial loads in limited-space applications.
Needle roller bearings are commonly made from high-quality alloy steels or stainless steels, which offer excellent strength, hardness, and corrosion resistance. Some specialized applications may require needle bearings made from ceramic materials or polymer composites for enhanced performance and durability.
Needle roller bearings are typically measured based on their bore diameter, outer diameter, and width dimensions. These dimensions are standardized according to international standards, such as ISO and ANSI, to ensure compatibility and interchangeability between different bearing manufacturers.
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