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Office address
National Engineering Industries Ltd.
Khatipura Road Jaipur – 302006 Rajasthan, India
Phone Number

Toll Free: 1800 3000 6222
Telephone: +91 141 222 3221
Fax: +91 141 222 1926, 222 2259
CIN: U29130WB1946PLC013643

NBC Bearings

Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.

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Needle Roller Bearings

What are Needle Roller Bearings?

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 Table

Products Principal Dimensions Basic Load Ratings
Dynamic Static
d [mm] D [mm] B [mm] C [kn] Co [kn]
CV15x19x7.8XS 15 19 8 5350 5850
C15x19x10 15 19 10 6850 8050
C15x19x13 15 19 13 8250 10200
C15x19x17 15 19 17 10900 14600
C15x19x24ZW 15 19 24 14100 20400
C15x20x13 15 20 13 10100 11500
CMJ15X20X15.8XS 15 20 16 12600 15200
C15x21x15 15 21 15 11900 12500
C15x21x21 15 21 21 16500 19100
C16x20x10 16 20 10 7500 9250
C16x20x11 16 20 11 8300 10500
C16x20x13 16 20 13 9050 11800
C16x22x12 16 22 12 11700 12500
CMJ16X22X13 16 22 13 12600 13900
C16x22x15.8x 16 22 16 13600 15200
C16x22x17 16 22 17 14400 16400
C16x22x20 16 22 20 16000 18800
C17x21x15 17 21 15 10400 14400
C17x21x17 17 21 17 11800 16900
C17x22x20 17 22 20 14700 19200
C18x22x10 18 22 10 7400 9400
C18x22x13 18 22 13 8900 11900
C18x22x17 18 22 17 11700 17000
CMJ15X21X16.8X1S 15 21 17 14900 16800
C17x23x17 17 23 17 14400 16500
C15X18X14 15 18 14 7850 11600

Types of Needle Roller Bearings

Shell Type NRB
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Shell Type Needle Roller Bearing
Featuring a thin-walled outer ring, these bearings offer reduced weight and friction for optimal performance in various applications.
Machined-Ring Needle Roller
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Machined-Ring Needle Roller
Designed for high-speed applications and heavy loads, these bearings deliver superior performance and reliability.
Thrust Needle Roller Bearings
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Thrust Needle Roller Bearing
Engineered for high load capacity and compact design, these bearings are perfect for applications with limited space and heavy loads.
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Features of Needle Roller Bearings

So, what makes needle roller bearings stand out?

  • Their compact size saves valuable space in machines, allowing for more efficient design and operation.
  • These bearings are tough cookies, capable of carrying hefty loads without breaking a sweat.
  • Their low friction nature means less energy wasted, requiring minimal upkeep even in the harshest environments.
  • Each of these translates to lower operating costs—a win-win for businesses.
  • And above all they deliver strong durability and are built to last.

Applications of Needle Roller Bearings

Needle roller bearings are the unsung heroes in many machines you encounter daily.

  • Automobile: In cars, they silently support radial loads in gearboxes and drive shafts, keeping your vehicle running smoothly.
  • Construction: Heavy-duty equipment like construction machinery and farm tools also rely on them to withstand tough conditions and deliver consistent performance.
  • Aerospace: Even in the skies, needle roller bearings play a vital role in aircraft engines, landing gear, and control systems, proving their mettle in critical aerospace applications.

Maintenance of Needle Roller Bearings

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.

  • Regular inspection of bearing assemblies for signs of wear, damage, or contamination. This is essential to prevent premature failure and ensure reliable operation.
  • Lubrication plays a critical role in maintaining optimal performance, as it reduces friction and wear between the needle rollers and bearing surfaces. Selecting the appropriate lubricant and following recommended lubrication intervals are key factors in prolonging bearing life.
  • Ensuring proper mounting and alignment of bearing assemblies helps prevent misalignment-induced stress and premature wear.

By adhering to a proactive maintenance regimen, users can optimize the performance and longevity of needle roller bearings in their applications.

FAQ's

What is a needle roller bearing used for?

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.

What is the difference between cylindrical roller bearing and needle bearing?

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.

What is the difference between needle bearing and tapered roller bearing?

  • Needle roller bearings and tapered roller bearings differ in their roller geometry and load-carrying capacity.
  • Needle roller bearings have cylindrical rollers with a high length-to-diameter ratio, while tapered roller bearings have conical rollers with a tapered shape.
  • Tapered roller bearings are typically used to support axial and radial loads in applications requiring precise axial positioning.

What material is used for needle bearings?

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.

How are needle roller bearings measured?

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.

Can needle roller bearings take axial load?

While needle roller bearings are primarily designed to support radial loads, certain designs and configurations can also accommodate axial loads to some extent. However, axial load capacity may be limited compared to dedicated thrust bearings, and proper mounting and alignment are essential to prevent premature wear and failure under axial loading conditions.

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    Leadership quotes

    Discovering unique solutions to reimagine and reinvent technology from a futuristic perspective is part of NEI’s best practices. Taking pride in unleashing the potential of innovative minds through informal education, we encourage our employees to share their exclusive ideas on our Idea portal, and we host the ‘Idea Factory’ contest for budding engineers currently studying in different universities—fostering independence of thought.
    Rohit Saboo
    Rohit SabooPresident & CEO
    Finance these days is not about record keeping, it is more about working alongside the business and drive strategy. The world is changing so rapidly and we are going through unprecedented situations. The key is to keep on top of it and learn. It is all about evolving, innovating and adapting to succeed in the business world. At NEI, we ensure that we listen to our stakeholders and adjust ourselves to meet the evolving needs.
    Gourav Chaturvedi
    Gourav ChaturvediCFO
    As a leading exporter and manufacturer of bearings, with the objective of reducing energy consumption and improving energy efficiency to lower GHG emissions and Carbon Footprint, we take a leap forward in leveraging opportunities to expedite the transfer and diffusion of environment-friendly and clean-energy technology.
    Rohit Saboo
    Rohit SabooPresident & CEO
    Our commitment to growing our customer base across five continents is unwavering. Through our subsidiary Kinex in Europe, we enhance our proximity to international clients. We prioritize investments in product quality, our workforce, and cutting-edge technology. With well-defined growth strategies, we aim to continually expand our offerings to meet the dynamic needs of the industry and our valued customers.
    Rajesh Premchandran
    Rajesh PremchandranCSMO
    The imprint of transformational leadership in our day-to-day operations in offering flexible solutions even amidst crisis stands out as one of NEI’s core strengths. Putting employees first on our list of priorities and working in harmonious alliance adds to our spirit of maintaining a healthy and productive work environment. We rejoice at keeping up a vision that guides change through inspiration as we make our way through the extended new normal.
    Rohit Saboo
    Rohit SabooPresident & CEO
    We are delving our feet into the aerospace and defence industries. We consider this as an excellent time to enter this segment, given the present focus is on ‘Atmanirbhar Bharat’ which will lead to lower import dependency for the companies in these segments. We have been engaged with a number of aerospace businesses and have learnt that there is a lot of room for a local player to proactively work with them from concept to production.
    Dr. Lokesh Agrawal
    Dr. Lokesh AgrawalCTO
    The ability to execute in rapidly evolving environment is set to become a decisive competitive differentiator for sustaining the profitable growth. To drive significant improvement in financial and operational metrics and to bring step change in productivity, flexibility and speed, rapid digitization through automation, advanced analytics, and machine learning is needed. Besides this, setting up resilient, risk-tolerant supply-chain and procurement structures along with re-skilling human capital with the skills and mindset the digital world requires, is the key to success
    Rajan Jain
    Rajan JainCOO
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