The IR 20X25X38.5 Needle Roller Inner Ring by SKF is a precision-engineered component designed for needle roller bearing applications. This inner ring measures 20 mm in bore diameter, 25 mm in outer diameter, and 38.5 mm in width, making it suitable for various industrial applications. Known for its robustness, it is typically utilized in high-load and high-speed rotations, providing enhanced bearing performance in demanding environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width (B) | 38.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The SKF IR 20X25X38.5 Needle Roller Inner Ring offers several technical benefits that enhance its performance in industrial machinery:
- Manufactured from high-grade 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, ideal for assemblies without preload and ensuring optimal fit.
- Precision class P0 / ABEC-1, suitable for general-purpose applications requiring accurate alignment.
Typical applications
This inner ring is suitable for a variety of industrial sectors and machinery types due to its durable construction and precise dimensions:
- Automotive industry (transmissions, differential gear assemblies)
- Industrial machinery (conveyor systems, hydraulic pumps)
- Aerospace components (landing gear mechanisms, actuators)
- Textile machinery (spinning machines, looms)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF IR20X25X385 Needle Roller Inner Ring, offering fast availability for this specific component. You can add it to your cart for immediate purchase or request a quotation for bulk quantities to suit your industrial needs.

