The Needle Roller Inner Ring LR17X20X30,5, manufactured by MTB, is a precise bearing accessory designed for demanding industrial applications. With dimensions of 17 mm bore diameter, 20 mm outer diameter, and 30.5 mm width, this inner ring is engineered to support needle roller assemblies. Ideal for environments where compact components are critical, it ensures efficient load distribution and is commonly utilized in machinery requiring high precision.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 20 mm |
| Width (B) | 30.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
| Operating temperature range | -20 / +120 °C |
Technical advantages
The Needle Roller Inner Ring LR17X20X30,5 offers several technical benefits that make it suitable for high-performance applications:
- Chrome steel 100Cr6 construction provides excellent rolling-contact fatigue resistance, exceeding 107 cycles.
- Standard CN radial clearance allows optimal performance in applications without preload.
- Precision class P0 / ABEC-1 ensures sufficient accuracy for general-purpose applications.
- Operational in a broad temperature range of -20 to +120 °C, suitable for various industrial environments.
- Compact design with a width of 30.5 mm is ideal for space-constrained installations.
Typical applications
The Needle Roller Inner Ring LR17X20X30,5 is commonly utilized in the following sectors:
- Automotive industry (gearboxes, transmission systems)
- Textile machinery (spinning frames, knitting machines)
- Construction equipment (hydraulic cylinders, cranes)
- Printing machines (offset presses, digital printers)
- Machine tools (lathes, milling machines)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring LR17X20X30,5 – SKU: LR17X20X30,5-ECO. With fast availability, you can easily add this product to your cart or request a quote for bulk quantities. Visit our website to streamline your procurement process today.

