The Needle Roller Inner Ring IR300X330X80 – 300X330X80 – INA is a precision-engineered component designed for use in various industrial applications. Manufactured by INA, this inner ring measures 300 mm in bore diameter, 330 mm in outer diameter, and 80 mm in width. It serves as an essential bearing accessory, providing a hardened raceway for needle roller bearings to improve wear resistance and load distribution. Commonly utilized in industries requiring high load-carrying capabilities, such as automotive and heavy machinery, this inner ring ensures precise operation within complex mechanical assemblies.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 300 mm |
| Outer diameter (D) | 330 mm |
| Width (B) | 80 mm |
| Weight | Not specified |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Reference speed | Not specified |
| Material | Chrome steel 100Cr6 |
| Precision class | Not specified |
| Internal clearance | Not specified |
Technical advantages
The Needle Roller Inner Ring IR300X330X80 offers several technical advantages, contributing to its effectiveness in demanding industrial conditions:
- Constructed from heat-treated 100Cr6 chrome steel, providing exceptional wear resistance and rolling-contact fatigue life.
- Standard dimensions facilitate seamless integration into existing bearing assemblies, reducing downtime during replacements.
- Precision-ground surfaces ensure uniform load distribution, enhancing the performance of needle roller bearings.
- Compatible with a wide range of needle roller bearings, offering flexibility in system design and maintenance.
- Designed to withstand high radial loads, making it suitable for heavy-duty applications.
Typical applications
This needle roller inner ring is a versatile component used across various sectors, including:
- Automotive industry (gearboxes, transmissions)
- Heavy machinery (excavators, cranes)
- Textile machinery (looms, spinning machines)
- Wind energy (turbine gearboxes)
- Railway systems (bogie assemblies, wheelsets)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier offering the Needle Roller Inner Ring IR300X330X80-INA with fast availability. For bulk quantities, customers can request a quotation to meet their specific needs. Add this product to your cart or contact us for more information and to receive a personalized quote.
