The Needle Roller Inner Ring IR20X25X20 – 20X25X20 – INA is a specialized bearing accessory designed for high-precision applications. Manufactured by INA, this inner ring measures 20 mm in bore diameter, 25 mm in outer diameter, and 20 mm in width, making it suitable for various industrial settings. Typically used to facilitate smooth motion in mechanical systems, this component is integral to the proper functioning of needle roller bearings, ensuring optimal load distribution and alignment.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width (B) | 20 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring IR20X25X20 – 20X25X20 – INA offers several technical advantages:
- Manufactured from chrome steel 100Cr6, providing excellent wear resistance and increased longevity.
- Standard CN radial clearance allows for optimal fit and function in diverse assemblies without preload.
- Precision class P0 / ABEC-1 ensures dependable performance in precise applications.
- Compatible with a wide range of needle roller bearings, enhancing versatility in industrial applications.
- Heat-treated for superior rolling-contact fatigue life, ensuring long-term operation in demanding environments.
Typical applications
The Needle Roller Inner Ring IR20X25X20 – 20X25X20 – INA is commonly used in the following industries and machinery types:
- Automotive industry (gearboxes, transmission systems)
- Agricultural machinery (harvesters, tractor components)
- Textile machinery (spinning frames, weaving machines)
- Industrial automation (conveyor systems, robotic arms)
- Printing equipment (presses, rollers)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier, providing fast availability of the Needle Roller Inner Ring IR20X25X20 – 20X25X20 – INA. Customers can easily add the product to the cart or request a quotation for bulk quantities, ensuring seamless procurement for all your industrial needs.
