The IR 25X32X22 Needle Roller Inner Ring from SKF is a specialized component designed for precision applications in various industrial settings. This needle roller inner ring measures 25mm in bore diameter, 32mm in outer diameter, and 22mm in width, making it suitable for compact and high-load environments. As an accessory in the category of bearing components, it supports the efficient operation of needle roller bearings by providing a hardened raceway surface, crucial for applications requiring high rotational accuracy and load-bearing capacity.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 32 mm |
| Width (B) | 22 mm |
| Weight | 0.064 kg |
| Basic dynamic load rating (C) | kN |
| Basic static load rating (C0) | kN |
| Limiting speed | rpm |
| Reference speed | rpm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The IR 25X32X22 Needle Roller Inner Ring offers several technical benefits that enhance its performance in demanding applications:
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life of over 107 cycles.
- Standard P0 precision class, providing adequate alignment and rotational accuracy for general industrial use.
- Lightweight design at 0.064 kg, minimizing the impact on overall system inertia and energy consumption.
- Compact dimensions allow for integration into space-constrained assemblies without compromising load capacity.
- Hardened raceway surface enhances wear resistance, supporting prolonged operational cycles under high stress.
Typical applications
This needle roller inner ring is versatile and finds use in several specific industrial sectors, including:
- Automotive manufacturing (transmissions, differentials)
- Aerospace engineering (landing gear systems, flap mechanisms)
- Industrial machinery (hydraulic pumps, gearboxes)
- Textile machinery (spinning frames, looms)
- Packaging equipment (conveyors, sealing machines)
Availability and ordering
At Eurobearing.eu, we specialize in providing a comprehensive range of mechanical industrial components. The IR 25X32X22-SKF needle roller inner ring is readily available for fast delivery. For businesses seeking bulk quantities, we offer competitive quotes upon request. Add this product to your cart or contact us for a tailored quotation to meet your specific needs.

