The SKF IR 130X145X35 Needle Roller Inner Ring, with dimensions of 130mm bore diameter, 145mm outer diameter, and 35mm width, is designed for use in various industrial applications requiring precise and efficient rotary motion. As a component of bearing assemblies, this inner ring serves as a raceway for needle rollers, ensuring optimal alignment and reduced friction. The SKU for this product is IR130X145X35-SKF, and it is categorized under bearing accessories and needle roller inner rings, commonly employed in sectors such as automotive, aerospace, and manufacturing machinery.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 130 mm |
| Outer diameter (D) | 145 mm |
| Width (B) | 35 mm |
| Basic dynamic load rating (C) | 102 kN |
| Basic static load rating (C0) | 163 kN |
| Limiting speed | 4,000 rpm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 |
| Internal clearance | CN |
Technical advantages
The SKF IR 130X145X35 Needle Roller Inner Ring offers several technical advantages that make it suitable for demanding industrial environments:
- Chrome steel 100Cr6 construction ensures rolling-contact fatigue life exceeding 107 cycles.
- Basic dynamic load rating of 102 kN supports heavy-duty applications with high reliability.
- Standard CN radial clearance optimal for configurations without preload, maintaining smooth operation.
- Capability to sustain speeds up to 4,000 rpm, accommodating high-speed requirements.
- Complies with P0 precision class, providing satisfactory dimensional accuracy and rotational stability.
Typical applications
The SKF IR 130X145X35 Needle Roller Inner Ring finds use in various industries and machinery, including:
- Automotive powertrains (gearboxes, differentials)
- Aerospace components (actuators, landing gear systems)
- Textile machinery (spinning frames, weaving looms)
- Industrial automation equipment (robotic arms, conveyors)
- Construction machinery (cranes, excavators)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF IR130X145X35 Needle Roller Inner Ring, offering fast availability for this specific SKU. For businesses requiring larger quantities, you can easily request a quotation. Add this product to your cart today or contact us for bulk orders to meet your industrial component needs efficiently.

