The Needle Roller Inner Ring IR17X20X16,5 from MTB is a precise mechanical component tailored for industrial applications. With dimensions of 17 mm bore diameter, 20 mm outer diameter, and 16.5 mm width, this inner ring is crafted to support needle roller bearings in high-load and high-speed operations. As part of MTB’s renowned product line, it serves as a vital accessory in various mechanical assemblies, enhancing the performance of needle roller bearings by providing a robust and stable raceway.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 20 mm |
| Width (B) | 16.5 mm |
| Basic dynamic load rating (C) | Check official catalog |
| Basic static load rating (C0) | Check official catalog |
| Ring material | Chrome steel 100Cr6 |
| Precision class | Check official catalog |
| Internal clearance | Check official catalog |
Technical advantages
This needle roller inner ring delivers several specific advantages:
- Dimensions precisely matched to standard needle rollers, ensuring a perfect fit and optimal load distribution.
- Crafted from heat-treated 100Cr6 chrome steel, providing exceptional hardness and wear resistance.
- Suited for high-speed applications when paired with corresponding needle rollers, due to its precise geometry.
- Facilitates efficient operation in compact mechanical assemblies thanks to its slim profile.
- Compatible with a wide range of needle roller bearings, enhancing versatility in industrial machinery.
Typical applications
The Needle Roller Inner Ring IR17X20X16,5 is commonly used in:
- Automotive industries (transmissions, camshaft assemblies)
- Textile machinery (spindle supports, looms)
- Printing equipment (roller supports, precision guides)
- Industrial gearboxes (planetary gears, input shafts)
- Aerospace components (control linkages, actuation systems)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the Needle Roller Inner Ring IR17X20X16,5 (SKU: IR17X20X16,5-ECO). For bulk quantities, customers can request a quote. Add to cart or request a quotation today to outfit your machinery with precision-engineered components.

