Bearing K 25X31X21 INA



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Product detailed description
bearing K 25X31X21 INA – Precision and Reliability for Your Machinery
The bearing K 25X31X21 INA is a high-quality component designed to ensure smooth and efficient operation in various mechanical applications. Manufactured by INA, a trusted name in the bearing industry, this bearing stands out for its exceptional durability, precision engineering, and reliable performance under demanding conditions.
This particular model, K 25X31X21 INA, features exact dimensions with an inner diameter of 25 mm, an outer diameter of 31 mm, and a width of 21 mm. These dimensions make it suitable for specialized applications where compact size and robust load capacity are essential.
Key Features of bearing K 25X31X21 INA
- Precision Dimensions: Inner diameter - 25 mm, Outer diameter - 31 mm, Width - 21 mm, ensuring a perfect fit for compatible assemblies.
- High Load Capacity: Designed to handle radial and axial loads effectively, contributing to the longevity of your machinery.
- Quality Material: Made from premium-grade steel for enhanced wear resistance and corrosion protection.
- Reliable Performance: Engineered to operate smoothly with minimal friction, reducing energy loss and heat generation.
- Versatile Applications: Ideal for use in automotive, industrial machinery, electrical motors, and other precision equipment.
Choosing the bearing K 25X31X21 INA ensures you are investing in a component that offers both precision and endurance. Whether you are replacing worn-out bearings or building new equipment, this product guarantees consistent performance and reduces downtime.
Optimize your machinery’s efficiency and reliability by selecting the bearing K 25X31X21 INA – a trusted solution for professionals seeking superior quality and performance.

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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.