Bearing NKI 25/20 INA



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Product detailed description
Bearing NKI 25/20 INA: Precision and Reliability for Your Machinery
The bearing NKI 25/20 INA is a high-quality needle roller bearing designed to meet the demands of various industrial applications. Known for its compact design and excellent load-carrying capacity, this bearing is ideal for situations where space is limited, but performance cannot be compromised.
Manufactured by INA, a trusted name in the bearing industry, the NKI 25/20 model features a robust construction that ensures durability and long service life. It is specifically engineered to handle radial loads efficiently, making it suitable for use in automotive, agricultural machinery, and general mechanical engineering.
Key Features and Benefits
- Compact Dimensions: Designed with a bore diameter of 25 mm and an outer diameter of 32 mm, combined with a width of 20 mm, the NKI 25/20 INA bearing offers a perfect fit for tight assembly spaces.
- Needle Roller Design: The needle rollers provide a large contact surface, which distributes the load evenly and reduces wear, enhancing bearing longevity.
- High Load Capacity: Despite its small size, the bearing supports high radial loads, making it reliable for heavy-duty applications.
- Low Friction Operation: The precision manufacturing ensures smooth rotation, reducing energy loss and heat generation within the machinery.
- Versatility: Suitable for various applications including gearboxes, pumps, machine tools, and automotive components.
Technical Specifications
- Bore Diameter: 25 mm
- Outer Diameter: 32 mm
- Width: 20 mm
- Type: Needle roller bearing
- Manufacturer: INA
Choosing the bearing NKI 25/20 INA guarantees you a product that combines precision engineering with reliable performance. Whether you need to replace an existing bearing or design a new system, this INA bearing is an excellent choice for ensuring the smooth and efficient operation of your machinery.

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INA Bearings and Transmission Technology Manufacturer
INA is a globally recognized manufacturer specializing in high-quality bearings and transmission technology. As a key brand within the renowned Schaeffler Group, INA has established itself as a pioneer in precision components and systems for various industries worldwide.
Company History
INA was founded in 1946 in Herzogenaurach, Germany. Since its inception, the company has focused on developing innovative bearing solutions and transmission systems, contributing significantly to the advancement of mechanical engineering and automotive technology. Over the decades, INA expanded its product portfolio and global footprint, ultimately becoming an integral part of the Schaeffler Group, one of the world’s leading automotive and industrial suppliers.
Product Range
INA offers a comprehensive range of products tailored for multiple industrial sectors. Key offerings include:
- Rolling Bearings: Ball bearings, roller bearings, needle roller bearings designed for durability and precision.
- Plain Bearings: Sleeve bearings, thrust washers, and self-lubricating bearings suitable for various applications.
- Linear Technology: Linear guides, sliding units, and linear bearings for automation and machine tools.
- Transmission Components: Bushings, belt tensioners, clutches, chain adjusters, and chain guides used in automotive and industrial drive systems.
- Engine Components: Camshaft and crankshaft bearings designed to optimize engine performance and reliability.
Main Focus
INA focuses on delivering high-performance bearing and transmission solutions that enhance machine efficiency, reduce friction, and increase lifespan. Innovation, quality, and sustainability are at the core of INA’s operations, ensuring products meet rigorous industry standards and customer requirements.
Application Areas
INA’s products serve a wide array of industries, including:
- Automotive Industry: Engine components, transmission systems, and chassis bearings to improve vehicle performance.
- Industrial Machinery: Rolling mill bearings, linear guides, and heavy machinery components.
- Aerospace: Lightweight precision bearings designed for demanding aerospace applications.
- Renewable Energy: Bearings and transmission technology for wind turbines and other sustainable energy systems.
- Railway and Transportation: Robust solutions that withstand extreme conditions and continuous operation.
Company Headquarters
The headquarters of INA is located in Herzogenaurach, Germany. This strategic location serves as a central hub for research, development, and production, supporting INA’s global distribution network.