The IR 70X80X35 Needle Roller Inner Ring by SKF is a precision-engineered component designed for high-performance industrial applications. With a bore diameter of 70 mm, an outer diameter of 80 mm, and a width of 35 mm, this inner ring serves as an integral part of needle roller bearings, providing robust support and efficient load distribution. Typically utilized in machinery that demands high load capacity over compact spaces, the SKF IR 70X80X35 is essential in sectors such as automotive manufacturing, industrial machinery, and aerospace engineering.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 70 mm |
| Outer diameter (D) | 80 mm |
| Width (B) | 35 mm |
| Ring material | Chrome steel 100Cr6 |
| Basic dynamic load rating (C) | 46.5 kN |
| Basic static load rating (C0) | 106 kN |
| Limiting speed | 9,000 rpm |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The SKF IR 70X80X35 Needle Roller Inner Ring offers several technical advantages that enhance its performance in demanding conditions:
- High load capacity with a basic dynamic load rating of 46.5 kN, suitable for heavy-duty applications.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 10^7 cycles.
- Standard CN radial clearance, facilitating smooth operation in assemblies without preload requirements.
- Capable of maintaining performance at limiting speeds up to 9,000 rpm, ideal for high-speed machinery.
- Precision class P0 / ABEC-1, providing reliable performance in standard industrial applications.
Typical applications
The SKF IR 70X80X35 Needle Roller Inner Ring is versatile and applicable across various industries and machinery:
- Automotive industry (transmissions, differential assemblies)
- Industrial machinery (heavy-duty conveyors, gearboxes)
- Aerospace engineering (landing gear mechanisms, flight control systems)
- Construction equipment (cranes, hydraulic pumps)
- Textile machinery (spinning frames, weaving looms)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the IR70X80X35-SKF Needle Roller Inner Ring, with fast availability for immediate dispatch. For bulk quantities, request a quote directly on our platform. Click “Add to Cart” or “Request Quotation” to proceed with your order.
