The Needle Roller Inner Ring IR15X20X13 by INA is a precision-engineered component designed for use as a bearing accessory. With dimensions of 15x20x13 mm, this inner ring is crucial for enhancing the performance and longevity of needle roller bearings. It serves as a hardened raceway for needle rollers and is particularly suited for applications where space is limited and high load capacity is required. Typically utilized in automotive transmissions, agricultural machinery, and industrial gearboxes, this inner ring offers reliable functionality in demanding environments.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 15 mm |
| Outer diameter (D) | 20 mm |
| Width (B) | 13 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 |
| Cage type | Open |
| Shielding / Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Dry |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Needle Roller Inner Ring IR15X20X13 offers several technical advantages that make it suitable for demanding industrial applications:
- Constructed from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeds 107 cycles.
- Standard CN radial clearance, making it ideal for assemblies without preload.
- Open design allows for easy integration into existing systems requiring dry lubrication.
- Precision class P0 / ABEC-1 ensures reliable performance in standard applications.
- Compact dimensions facilitate use in applications where space is a premium.
Typical applications
This needle roller inner ring is widely used across various sectors, providing essential support for:
- Automotive transmissions, enhancing efficiency and load capacity.
- Agricultural machinery, where durability under heavy loads is critical.
- Industrial gearboxes, offering support in high-speed and high-load environments.
- Manufacturing equipment, particularly in conveyor systems and lifting devices.
- Textile machinery, ensuring smooth operation in spinning and weaving processes.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for industrial components, offering fast availability of the Needle Roller Inner Ring IR15X20X13-INA. You can easily add this component to your cart or request a quotation for bulk quantities to meet your specific needs.

