The IR 30X37X22 Needle Roller Inner Ring, manufactured by SKF, is an essential component in the realm of needle roller bearings. This inner ring measures 30 mm in bore diameter, 37 mm in outer diameter, and has a width of 22 mm. It is specifically designed to facilitate smooth and efficient motion in industrial applications requiring precision and durability. The SKF IR 30X37X22 is commonly used in high-load capacity environments, making it a vital component within its category of bearing accessories.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 30 mm |
| Outer diameter (D) | 37 mm |
| Width (B) | 22 mm |
| Basic dynamic load rating (C) | 34.5 kN |
| Basic static load rating (C0) | 57.5 kN |
| Limiting speed | 17,000 rpm |
| Material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN (Normal) |
Technical advantages
The IR 30X37X22 Needle Roller Inner Ring offers several technical advantages that make it a preferred choice for industrial applications:
- Manufactured from 100Cr6 chrome steel, ensuring a high rolling-contact fatigue life exceeding 107 cycles.
- Capable of handling high dynamic loads, with a basic dynamic load rating of 34.5 kN.
- Operates effectively at speeds up to 17,000 rpm, suitable for high-speed applications.
- Standard CN internal clearance, providing optimal performance without the need for preload adjustments.
- Compliant with ISO standards, ensuring compatibility across various industrial systems.
Typical applications
This needle roller inner ring is ideal for use in a variety of demanding industrial sectors:
- Automotive industry (transmission systems, cam followers)
- Aerospace (actuator assemblies, control systems)
- Industrial machinery (conveyor belt rollers, hydraulic pumps)
- Printing equipment (cylinder supports, ink rollers)
- Textile machinery (spinning spindles, weaving looms)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the IR30X37X22-SKF Needle Roller Inner Ring. With our fast availability, you can easily add this product to your cart or request a quotation for bulk orders. Ensure your operations stay on track with reliable supply from Eurobearing.eu.

