The IR 17X21X16 Needle Roller Inner Ring 17X21X16 – SKF is an essential component in the realm of bearing accessories, specifically designed for enhancing the performance of needle roller bearings. Manufactured by SKF, this inner ring measures 17 mm in bore diameter, 21 mm in outer diameter, and 16 mm in width. It is commonly utilized in industrial applications where precise rotational movement and compact size are critical, such as in automotive transmissions and various machinery components.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 21 mm |
| Width (B) | 16 mm |
| Weight | To be confirmed |
| Basic dynamic load rating (C) | To be confirmed |
| Basic static load rating (C0) | To be confirmed |
| Limiting speed | To be confirmed |
| Cage type | To be confirmed |
| Ring material | To be confirmed |
| Precision class | To be confirmed |
Technical advantages
Leveraging its precise engineering, the SKF IR 17X21X16 needle roller inner ring offers several technical benefits:
- Efficient load distribution due to optimal bore and outer diameter design.
- Compact width of 16 mm, suitable for space-constrained applications.
- Engineered for compatibility with a variety of needle roller bearings, enhancing versatility.
- SKF brand assurance, ensuring adherence to stringent manufacturing standards.
- Facilitates smooth rotational motion with minimized friction losses.
Typical applications
The IR 17X21X16 inner ring finds its use in a diverse range of industrial sectors and machinery:
- Automotive industry (gearboxes, transmission systems)
- Textile machinery (looms, spinning machinery)
- Printing equipment (high-speed printers, offset presses)
- Packaging machines (conveyors, wrapping machines)
- Construction equipment (earthmovers, compactors)
Availability and ordering
At Eurobearing.eu, we specialize in supplying mechanical industrial components like the IR17X21X16-SKF with fast availability. You can easily add this item to your cart or request a quotation for bulk quantities to suit your business needs.

