The Needle Roller Inner Ring IR35X42X20,5 – 35X42X20,5 from MTB is a critical component in the realm of bearing accessories. This inner ring, with precise dimensions of 35 mm bore diameter, 42 mm outer diameter, and 20.5 mm width, is designed to support needle roller bearings. Commonly used in high-load industrial applications, this component ensures optimal performance by providing a hardened and ground raceway for needle rollers. The IR35X42X20,5-ECO model is a versatile choice for various mechanical assemblies requiring precision and durability.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 35 mm |
| Outer diameter (D) | 42 mm |
| Width (B) | 20.5 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 | Not specified |
| Shielding / Sealing | Open |
| Operating temperature range | -20 / +120°C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Not specified |
| Precision class | P0 / ABEC-1 |
| Internal clearance | Not specified |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Needle Roller Inner Ring IR35X42X20,5 provides several technical benefits that enhance its functionality in demanding environments:
- Engineered with chrome steel 100Cr6, ensuring exceptional hardness and wear resistance.
- Designed to endure operating temperatures ranging from -20 to +120°C, suitable for various thermal conditions.
- Open design facilitates easy inspection and maintenance during equipment servicing.
- Standard P0 / ABEC-1 precision class ensures compatibility with commonly used industrial components.
- Optimized for integration with needle roller bearings, providing a robust raceway for high-load applications.
Typical applications
The IR35X42X20,5 inner ring finds its place in a range of specialized industrial applications, including:
- Automotive transmissions (gearboxes, differentials)
- Textile machinery (looms, spindles)
- Hydraulic pumps and motors
- Construction equipment (earthmovers, cranes)
- Packaging machinery (wrapping machines, conveyors)
Availability and ordering
Eurobearing.eu, your specialized B2B supplier, offers the Needle Roller Inner Ring IR35X42X20,5-ECO with fast availability. Businesses can conveniently order this component directly from our platform or request a quotation for bulk quantities. Add to cart or contact us for a custom quote today.

