The SKF IR 120X135X45 Needle Roller Inner Ring, with dimensions of 120mm bore diameter, 135mm outer diameter, and 45mm width, is a precision-engineered component designed for demanding industrial applications. As a bearing accessory, it supports needle rollers, providing a hardened raceway that enhances the performance of your machinery. This product, identified with SKU IR120X135X45-SKF, is essential in scenarios where compact, high-load capacity bearings are required.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 120 mm |
| Outer diameter (D) | 135 mm |
| Width (B) | 45 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Factory lubrication | Dry |
| Internal clearance | Standard |
Technical advantages
The SKF IR 120X135X45 Needle Roller Inner Ring offers several technical advantages that support its application in high-performance environments:
- Chrome steel 100Cr6 construction ensures rolling-contact fatigue life exceeding 107 cycles.
- Manufactured to ISO P0 / ABEC-1 tolerance, ensuring consistent performance in precision applications.
- Standard internal clearance, suitable for assemblies without preload adjustments.
- Engineered for dry operation, reducing the need for complex lubrication systems.
- Designed to withstand high radial loads, optimizing the support provided to needle rollers.
Typical applications
This inner ring is vital in various specific industries and machinery, including:
- Automotive manufacturing (transmission systems, steering mechanisms)
- Industrial robotics (precision actuator assemblies, automated arms)
- Aerospace engineering (aircraft turbine engines, control surfaces)
- Construction machinery (hydraulic pumps, lifting equipment)
- Textile machinery (spinning and weaving devices, loom components)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier offering the SKF IR 120X135X45 Needle Roller Inner Ring with fast availability. Customers can easily add this product to their cart or request a quotation for bulk orders, ensuring they receive the necessary components promptly to maintain their industrial operations.
