The Needle Roller Inner Ring IR25X30X38,5-EGS, manufactured by MTB, is a precise mechanical component designed for specific industrial applications. With main dimensions of 25 mm bore diameter, 30 mm outer diameter, and 38.5 mm thickness, this inner ring serves a crucial role in facilitating the smooth operation of needle roller bearings. It is typically used in high-load environments where compact design and high efficiency are essential.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width / Thickness (B) | 38.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Operating temperature range | -20 / +120 °C |
| Precision class | P0 |
| Internal clearance | Standard |
Technical advantages
The Needle Roller Inner Ring IR25X30X38,5-EGS offers several technical advantages that make it suitable for demanding applications:
- Made from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard precision class P0, providing adequate performance for general industrial use.
- Operating temperature range of -20 to +120 °C, suitable for various environmental conditions.
- Manufactured with standard internal clearance, facilitating easy integration into existing systems.
- Designed for use with needle roller bearings, improving load distribution and reducing wear.
Typical applications
This needle roller inner ring is commonly employed in various industries and machinery, including:
- Automotive transmissions and gearboxes
- Industrial pumps and compressors
- Construction equipment and machinery
- Textile machinery (spinning and weaving equipment)
- Printing presses and paper processing machines
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring IR25X30X38,5-EGS, with fast availability for SKU: IR25X30X38,5EGS-ECO. For bulk quantities, you can easily request a quote. Add to cart or request a quotation now for seamless integration into your operations.

