The Needle Roller Inner Ring IR25X30X20,5 – 25X30X20,5 – INA is a precision-engineered component from INA, designed for seamless integration with needle roller bearings. With its exact dimensions of 25 mm bore diameter, 30 mm outer diameter, and 20.5 mm width, this inner ring is essential for applications requiring compact and high-load capacity solutions. It is commonly used in automotive transmissions, industrial gearboxes, and other machinery where space is limited but performance is critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 20.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | Standard |
Technical advantages
This Needle Roller Inner Ring offers several technical advantages that make it suitable for demanding engineering environments:
- Manufactured from high-grade 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeds 107 cycles.
- Optimized for high-load applications with its robust construction and accurate dimensional tolerances.
- Standard P0 precision class allows for compatibility with a wide range of needle roller assemblies.
- Compact design facilitates integration into space-restricted assemblies without compromising performance.
- Operates effectively under varying load conditions, making it versatile for multiple industrial applications.
Typical applications
The Needle Roller Inner Ring IR25X30X20,5 – 25X30X20,5 – INA is utilized across various industries, offering precise performance in specific machinery:
- Automotive industry (transmissions, differential systems)
- Heavy machinery (excavator gearboxes, crane drives)
- Textile machinery (spindle bearings, shuttle bearings)
- Printing equipment (roller bearings, guide rollers)
- Machine tools (lathe spindles, milling machine tables)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier offering fast availability of the Needle Roller Inner Ring IR25X30X20,5 – INA. For businesses looking to purchase in bulk, a quotation can be requested directly from our website. Add this product to your cart or request a quotation to secure it for your industrial needs.
