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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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Roller Bearings

Roller Bearings: Unleashing Mechanical Precision

Roller bearings are the most significant variety of bearings with a very large number of industry specialised variants. It is known for its typical features which help scale growing industrial needs: 

  • Powering the seamless movement of machinery, 
  • Providing crucial support, and 
  • Reducing friction between moving parts of the rolling assembly.

This category encompasses various types, each tailored for specific applications, making them indispensable to cater to diverse industrial needs.

Types of Roller Bearings

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Cylindrical roller bearings
Consists of cylindrical rollers which are designed to provide excellent radial load capacity. Ideally suited for applications demanding high radial rigidity and moderate thrust loads.
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Tapered Roller Bearings
Features tapered rollers which are designed for efficient handling of radial and axial loads. Commonly used in automotive applications, gearboxes, and construction machinery.
Needle roller bearing
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Needle Roller Bearings
Navigate through challenges effortlessly with our needle roller bearings. Engineered for high load capacity and compact design, these bearings are perfect for applications with limited space and heavy loads.
Spherical Roller Bearings
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Spherical Roller Bearings
Unlock versatility and reliability with our spherical roller bearings. Engineered to accommodate misalignment and heavy loads, these bearings ensure smooth operation and minimal maintenance.
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Roller Bearings: What are its Advantages?

  • High Load-Carrying Capacity: Roller bearings are engineered to seamlessly distribute loads more evenly. This in turn ends up enhancing their capacity to carry heavier loads compared to ball bearings.
  • Durability in Demanding Conditions: Crafted with robust materials, a roller bearing can endure challenging environments of stress and heat effectively, ensuring longevity in industrial settings.
  • Smooth and Controlled Motion: The design is engineered to minimise surface contact. This lends much needed smoothness in operations, controlled motion with lowered friction, contributing to overall enhanced machinery efficiency. 
  • Versatility Across Industries: Roller bearings find applications in automotive, industrial machinery, aerospace, and railway systems, showcasing their adaptability.

Roller Bearing: What are its applications?

  • Automotive Sector: Integral in wheel hubs, transmissions, and engines, ensuring smooth vehicle operation. Tapered roller bearings variants especially work well in applications like wheel bearings due to their load-handling capabilities.
  • Industrial Machinery: Used in conveyor systems, gearboxes, and heavy machinery, providing reliability and efficiency. Cylindrical roller bearing variants are commonly employed in these scenarios for their enhanced radial load-handling capabilities.
  • Aerospace Industry: Critical components in aircraft engines and landing gear systems, demand high end precision and reliability. Needle roller bearings are best suited for applications used in aircraft components. Due to their lightweight and high load capacity needle bearings are needed in most high end machines.
  • Railway Systems: Roller bearings play a crucial role in building durable railway axle boxes, supporting heavy loads and ensuring stability during train operations across difficult terrains. Tapered roller bearings are preferred in railway applications due to their ability to handle both radial and axial loads.

Maintenance Guidelines for Roller Bearings

  • Regular Lubrication: To ensure minimal friction, reduce wear, and prolong bearing life.
  • Routine Inspection: Periodically inspect for signs of wear, misalignment, or damage, addressing issues promptly to prevent further damage.
  • Environmental Protection: Shield bearings from contaminants and harsh conditions, preserving their performance integrity over time.
  • Proper Installation: Follow manufacturer guidelines for correct installation, preventing issues related to misalignment or overloading.

Roller bearings are the backbone of machinery, contributing to the efficiency, reliability, and longevity of various applications across industries. Their diverse types and advantages make them a cornerstone in the world of mechanical engineering, ensuring the smooth operation of countless systems worldwide.

FAQ's

Where Are Roller Bearings Used?

  • Roller bearings are used in a wide range of applications across various industries, including automotive, aerospace, industrial machinery, and household appliances.
  • They are commonly found in automotive wheel hubs, transmission systems, conveyor belts, electric motors, and agricultural equipment, where they support rotating shafts or axles while minimizing friction and allowing smooth movement.

Which one is better between roller bearing and spherical bearing?

Yes, roller bearings, including cylindrical, tapered, and spherical roller bearings, can take axial loads in addition to radial loads.

  • The specific load-carrying capacity and performance characteristics of a roller bearing depend on its design, configuration, and load orientation.
  • Proper installation and alignment are essential to ensure that roller bearings can effectively handle both radial and axial loads in various applications.

Who Invented Roller Bearing?

The invention of the roller bearing is credited to Swedish engineer Sven Wingquist. Wingquist’s innovative design, which replaced traditional sliding bearings with rolling elements, revolutionized the bearing industry and paved the way for modern roller bearing technology.

Which Is Better Ball Bearing Or Roller Bearing?

The choice between ball bearings and roller bearings depends on the specific requirements of the application.

  • Ball bearings are generally preferred for high-speed applications with lighter radial loads, while roller bearings are better suited for heavier radial and axial loads and applications where misalignment or shaft deflection is expected.
  • Each type of bearing has its advantages and limitations, and the selection depends on factors such as load capacity, speed, accuracy, and operating conditions.

Why Are Roller Bearings Important?

Roller bearings play a crucial role in machinery and equipment by

  • supporting rotating shafts or axles while minimizing friction and allowing smooth movement
  • reducing energy consumption,
  • enhancing equipment performance, and
  • extending the service life of machinery.

Roller bearings are essential components in various industries, from automotive and aerospace to manufacturing and construction, where reliable and efficient operation is paramount.

What Is The Material Of Roller Bearing?

Roller bearings are commonly made from high-quality alloy steels, such as chrome steel or bearing steel, which offer excellent strength, hardness, and fatigue resistance. These materials are chosen for their ability to withstand high loads, shock loads, and harsh operating conditions while maintaining dimensional stability and wear resistance.

How Are Roller Bearings Sized?

Roller bearings are sized based on their bore diameter, outer diameter, and width dimensions, as well as other design specifications such as load ratings, speed ratings, and clearance values. These dimensions are standardized according to international standards, such as ISO and ANSI, to ensure compatibility and interchangeability between different bearing manufacturers. Additionally, roller bearings are classified into various types and series based on their design, configuration, and intended application.

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    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.
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    Renu is a seasoned HR leader with a proven track record of strategic-business partnering, culture-building and organizational transformation in leading companies, spread across key sectors of Logistics, MEP Services, Healthcare, Engineering and Manufacturing. For her thought leadership, Renu got nominated in Asia’s 100 Power Leaders HR in 2022 and ET Prime HR Leader of the Year in 2023. An alumna of IIT Roorkee, Renu is passionate about people & culture, DEI, Future of work, and CSR. Renu joined NBC in 2024 to lead the HR fuction and drive growth, culture and leadership across all levels.
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    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.
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    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.
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    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.
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    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.
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    Our nation is at the cusp of greatness , If India plays it's cards well , then this decade and the next one could belong to our nation , NEI leadership is fully geared to perform it's role in this transformation .
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    National Engineering Industries Ltd. Khatipura Road Jaipur - 302006 Rajasthan, India

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