The Needle Roller Inner Ring IR15X18X16,5 – 15X18X16,5, manufactured by MTB, is a specialized component designed for use in conjunction with needle roller bearings. This particular model boasts precise dimensions of 15 mm bore diameter, 18 mm outer diameter, and a width of 16.5 mm. It is commonly utilized in industries where compact and efficient bearing solutions are crucial, providing essential support in various mechanical assemblies.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 15 mm |
| Outer diameter (D) | 18 mm |
| Width (B) | 16.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
MTB’s Needle Roller Inner Ring IR15X18X16,5 offers several technical advantages:
- Chrome steel 100Cr6 construction ensures rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance is ideal for assemblies that do not require preload adjustments.
- Compact dimensions facilitate integration into tight spaces, enhancing design flexibility.
- Precision class P0 / ABEC-1 provides reliable performance in standard applications.
- Suitable for high-speed applications due to optimized inner ring geometry.
Typical applications
The Needle Roller Inner Ring IR15X18X16,5 is commonly employed in the following sectors:
- Automotive manufacturing (transmission systems, gearboxes)
- Industrial machinery (conveyor systems, packaging equipment)
- Aerospace (actuation systems, landing gear assemblies)
- Textile machinery (spinning frames, looms)
- Electromechanical devices (servo motors, stepper motors)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the Needle Roller Inner Ring IR15X18X16,5 with SKU: IR15X18X16,5-ECO. Businesses looking for bulk quantities can request a quote directly through our site. Add this product to your cart or contact us for more information.

