The IR 100X115X40 Needle Roller Inner Ring, manufactured by SKF, is a critical component within the category of bearing accessories. This precision-engineered inner ring, measuring 100mm in bore diameter, 115mm in outer diameter, and 40mm in width, serves as an ideal fit for needle roller bearings. Designed to support high radial loads, this inner ring is typically used in industrial applications where compact and efficient load distribution is essential. The IR100X115X40-SKF is an exemplary choice for machinery requiring standardized dimension components.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 100 mm |
| Outer diameter (D) | 115 mm |
| Width (T) | 40 mm |
| Ring material | Chrome steel 100Cr6 |
| Basic dynamic load rating (C) | Data not available |
| Basic static load rating (C0) | Data not available |
| Limiting speed | Data not available |
| Reference speed | Data not available |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The IR 100X115X40 Needle Roller Inner Ring offers several technical benefits that enhance industrial performance:
- Manufactured from 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, facilitating assemblies without preload.
- Precision class P0/ABEC-1, suitable for standard applications requiring moderate precision.
- Optimized geometric design for efficient load distribution across the bearing assembly.
- Compatible with a wide range of needle roller bearings, adding versatility to its application.
Typical applications
The SKF IR 100X115X40 Needle Roller Inner Ring is particularly suited for specific industrial sectors and machinery:
- Automotive industry (gearboxes, transmission systems)
- Textile machinery (spinning frames, looms)
- Heavy machinery (construction equipment, mining machinery)
- Industrial automation (conveyors, robotic arms)
- Agricultural equipment (tractors, harvesters)
Availability and ordering
Eurobearing.eu is proud to offer the IR100X115X40-SKF with fast availability for your industrial needs. As a specialized B2B supplier, we provide the option to request a quote for bulk quantities, ensuring tailored solutions for your business. Click ‘Add to Cart’ or ‘Request Quotation’ to proceed with your order.

