The Needle Roller Inner Ring IR17X20X16 – 17X20X16 – INA is a precision-engineered component designed to complement needle roller bearings, providing a hardened raceway for the rollers. Manufactured by INA, this inner ring is constructed to fit a bore diameter of 17 mm, outer diameter of 20 mm, and width of 16 mm. It is commonly utilized in various industrial applications, such as automotive transmissions and machinery that require precise rotational motion.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 20 mm |
| Width (B) | 16 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Weight | Not specified |
Technical advantages
Designed for robust performance in demanding environments, the Needle Roller Inner Ring IR17X20X16 offers several technical advantages:
- Constructed from heat-treated 100Cr6 chrome steel, ensuring high resistance to wear and fatigue.
- Precision class P0 / ABEC-1 provides adequate accuracy for standard industrial applications.
- Compatible with a wide range of needle roller bearings, enhancing versatility in machinery design.
- Smooth surface finish reduces friction for efficient rotational motion.
- Easy integration into existing systems, minimizing downtime during replacements.
Typical applications
The Needle Roller Inner Ring IR17X20X16 is ideal for use in the following industries:
- Automotive industry (gearboxes, differential assemblies)
- Industrial machinery (conveyor systems, pumps)
- Textile machinery (spinning machines, looms)
- Agricultural equipment (harvesters, plows)
- Construction machinery (cranes, loaders)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for mechanical industrial components. The Needle Roller Inner Ring IR17X20X16 – INA is readily available for quick dispatch. For bulk orders or to request a quote, please contact us directly. Add to cart or request a quotation now.

