The IR 25X30X26.5 Needle Roller Inner Ring from SKF is a precision-engineered bearing component designed for industrial applications where high radial loads are encountered. This needle roller inner ring measures 25 mm in bore diameter, 30 mm in outer diameter, and 26.5 mm in width, making it ideal for compact mechanical assemblies. Known for its robustness, the SKF IR 25X30X26.5 is commonly used in conjunction with needle roller bearings to provide a hardened raceway surface, ensuring optimal performance and longevity.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 26.5 mm |
| Basic dynamic load rating (C) | 38.2 kN |
| Basic static load rating (C0) | 54.5 kN |
| Limiting speed | 15,000 rpm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
| ISO / cross-reference equivalent code | IR 25X30X26.5 |
Technical advantages
The SKF IR 25X30X26.5 Needle Roller Inner Ring offers several technical advantages that make it a preferred choice in demanding applications.
- High load capacity with a basic dynamic load rating of 38.2 kN, suitable for heavy-duty applications.
- Operates effectively at speeds up to 15,000 rpm, accommodating high-speed machinery requirements.
- Constructed from 100Cr6 chrome steel, providing a rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance ensures compatibility with various assembly conditions without the need for preload.
- Precision class P0 / ABEC-1 guarantees dimensional accuracy and consistent performance.
Typical applications
The versatility of the SKF IR 25X30X26.5 Needle Roller Inner Ring makes it suitable for a wide range of industrial applications, including:
- Automotive powertrains (gearboxes, differential assemblies)
- Textile machinery (spinning frames, weaving looms)
- Packaging equipment (conveyors, sealing machines)
- Industrial automation (robotic arms, linear actuators)
- Construction machinery (cranes, hoists, earth-moving equipment)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF IR25X30X265-SKF needle roller inner ring, ensuring fast and reliable availability. For bulk quantities, request a quotation to receive competitive pricing. Add this product to your cart today or contact us for further inquiries.
