The IR 25X30X20.5 Needle Roller Inner Ring is a precision-engineered component manufactured by SKF, a leader in the bearing industry. This inner ring, with dimensions of 25 mm bore diameter, 30 mm outer diameter, and 20.5 mm width, is designed for use in various industrial setups requiring high load-carrying capacity. As a crucial accessory for needle roller bearings, it enhances the performance of assemblies in demanding environments by providing a hardened raceway for needle rollers.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 20.5 mm |
| Weight | 0.053 kg |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Operating temperature range | -20 / +120 °C |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The IR 25X30X20.5 Needle Roller Inner Ring offers several technical benefits, making it ideal for heavy-duty applications:
- Constructed from heat-treated 100Cr6 chrome steel for enhanced resistance to rolling-contact fatigue.
- Designed to operate effectively within a temperature range of -20 to +120 °C, accommodating various industrial conditions.
- Standard CN radial clearance ensures compatibility with assemblies without requiring preload adjustments.
- Precision class P0 / ABEC-1, guaranteeing basic precision suitable for general industrial applications.
- Optimized for high load applications, providing robust support for needle roller bearings.
Typical applications
This inner ring is versatile and can be employed in numerous sectors and machines:
- Automotive industry (transmissions, differential assemblies)
- Textile machinery (spinning frames, looms)
- Packaging equipment (conveyors, wrapping machines)
- Construction machinery (hydraulic pumps, excavators)
- Industrial gearboxes (planetary gear systems, reducers)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier of mechanical components, offers fast availability of the IR25X30X205-SKF. For bulk quantities, customers can request a quote to benefit from competitive pricing. Add to your cart or request a quotation today to ensure seamless integration into your industrial systems.
