The IR 20X25X16 IS1 Needle Roller Inner Ring 20X25X16 from SKF is a high-precision component designed for a variety of industrial applications. As a part of SKF’s renowned needle roller inner rings series, this component boasts a bore diameter of 20 mm, an outer diameter of 25 mm, and a width of 16 mm. It is typically utilized in mechanical systems requiring precise motion control and minimal friction, such as automotive transmissions and heavy-duty machinery.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width / Thickness (B) | 16 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Operating temperature range | -20 / +120 °C |
Technical advantages
The IR 20X25X16 IS1 Needle Roller Inner Ring offers several significant technical advantages:
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life in excess of 107 cycles.
- Standard P0 precision class, providing excellent performance for general-purpose applications.
- Capable of withstanding a wide operating temperature range from -20 to +120 °C, suitable for various environments.
- Designed for minimal maintenance with robust material composition, reducing overall downtime of machinery.
- Compatible with a range of needle roller and cage assemblies for versatility in application.
Typical applications
The SKF IR 20X25X16 IS1 Needle Roller Inner Ring is employed across diverse industrial sectors, including:
- Automotive industry (transmissions, drive shafts)
- Heavy machinery (excavators, loaders)
- Agricultural equipment (tractors, harvesters)
- Textile machinery (spinning frames, looms)
- Industrial automation (robotic arms, conveyors)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for mechanical components, offering fast availability of the IR20X25X16IS1-SKF. For bulk quantities, request a quote to benefit from competitive pricing. Add to cart or request a quotation today.

