The Needle Roller Inner Ring IR20X25X20,5 from MTB is a precision-engineered component designed for use in a variety of industrial applications. Known for its compact dimensions, the part features a bore diameter of 20 mm, an outer diameter of 25 mm, and a width of 20.5 mm. This needle roller inner ring is commonly employed in industries requiring high-load capacity within limited space, such as automotive transmissions and industrial machinery. Its design allows for efficient power transmission and reduced friction, enhancing performance in demanding environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width (B) | 20.5 mm |
| Weight | 35 g |
| Basic dynamic load rating (C) | 12 kN |
| Basic static load rating (C0) | 18 kN |
| Limiting speed | 15,000 rpm |
| Cage type | Pressed steel |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P6 / ABEC-3 |
Technical advantages
The Needle Roller Inner Ring IR20X25X20,5 offers several technical benefits that make it an ideal choice for various industrial applications:
- Capable of supporting high radial loads up to 18 kN, suitable for heavy-duty operations.
- Engineered for limiting speeds up to 15,000 rpm, accommodating high-speed applications.
- Constructed with heat-treated 100Cr6 chrome steel, ensuring a long fatigue life exceeding 10^7 cycles.
- Standard P6 precision class for enhanced operational accuracy and reduced friction.
- Lightweight at 35 g, facilitating easy integration into compact machinery assemblies.
Typical applications
This needle roller inner ring is versatile and can be utilized across a range of industries and machinery types:
- Automotive manufacturing (transmissions, differentials)
- Industrial machinery (gearboxes, pumps, compressors)
- Aerospace components (landing gear systems, actuators)
- Textile machinery (spindle units, loom components)
- Wind turbines (generator systems, rotor assemblies)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring IR20X25X20,5. This product, SKU: IR20X25X20,5-ECO, is readily available for immediate dispatch. For bulk orders, please request a quotation to benefit from competitive pricing. Add to cart or request a quote today to meet your industrial component needs efficiently.

