The Needle Roller Inner Ring IR300X330X80 – 300X330X80, SKU: IR300X330X80-ECO, is a precision-engineered component designed for use in conjunction with needle roller bearings. This inner ring measures 300 mm in bore diameter, 330 mm in outer diameter, and 80 mm in width, providing robust support in high-load applications. Typically utilized in heavy machinery and industrial equipment, this component enhances the performance and longevity of needle roller bearings by serving as a hardened raceway.
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 |
| Cage type | Not applicable |
| Shielding / Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Not specified |
| Precision class | P0 / ABEC-1 |
| Internal clearance | Standard |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Needle Roller Inner Ring IR300X330X80 is engineered to deliver exceptional performance in demanding environments. Below are key advantages:
- Features a robust chrome steel 100Cr6 construction, ensuring high resistance to wear and rolling-contact fatigue.
- Designed with an open configuration, facilitating ease of lubrication and maintenance in industrial settings.
- Standard precision class P0 / ABEC-1, suitable for general-purpose applications requiring reliable performance.
- Optimal for use in high-load applications due to its substantial width of 80 mm, enhancing structural integrity.
- Standard internal clearance, allowing for smooth operation without the need for preload adjustments.
Typical applications
This inner ring is versatile, catering to a variety of industrial sectors and machinery types:
- Heavy machinery (cranes, bulldozers, and excavators)
- Automotive industry (transmissions, differential assemblies)
- Railway systems (bogie assemblies, axle boxes)
- Industrial gearboxes (planetary gear systems, helical gears)
- Mining equipment (conveyor systems, crushers)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the Needle Roller Inner Ring IR300X330X80, with fast availability for SKU: IR300X330X80-ECO. For bulk orders, you are invited to request a quote to benefit from competitive pricing. Add to cart or contact us for a quotation to meet your industrial component needs.
