The Needle Roller Inner Ring IR15X20X12 – 15X20X12 is a crucial component in the realm of bearing accessories. This specific inner ring, categorized under Needle Roller Inner Rings, is designed for precision applications requiring compact and efficient load handling. With dimensions of 15 mm bore diameter, 20 mm outer diameter, and a width of 12 mm, it is ideally suited for industries where space and weight constraints are vital. This component is commonly used in conjunction with needle roller bearings to enhance the bearing’s performance by providing a hardened and precision-ground surface.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 15 mm |
| Outer diameter (D) | 20 mm |
| Width (B) | 12 mm |
| Basic dynamic load rating (C) | Available upon request |
| Basic static load rating (C0) | Available upon request |
| Limiting speed | Available upon request |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
This Needle Roller Inner Ring IR15X20X12 offers several technical advantages that make it an optimal choice for demanding applications:
- Compact dimensions allow for integration in space-constrained assemblies.
- High-precision ground surface enhances the performance of needle roller bearings.
- Constructed from 100Cr6 chrome steel, ensuring durability under cyclic loads.
- Standard CN radial clearance suitable for applications with minimal preload.
- Compatible with various needle roller bearing types, providing versatile application potential.
Typical applications
The Needle Roller Inner Ring IR15X20X12 is utilized across various industries, specifically in the following sectors:
- Automotive manufacturing (transmissions, camshaft assemblies)
- Aerospace technology (actuators, control surfaces)
- Textile machinery (spinning frames, looms)
- Printing equipment (rollers, paper feed systems)
- Industrial automation (conveyor systems, robotics)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the Needle Roller Inner Ring IR15X20X12 with SKU: IR15X20X12IS1-ECO. Businesses can easily add this item to their cart for immediate purchase or request a quotation for bulk quantities to suit larger industrial needs.

