The IR 42X47X20 Needle Roller Inner Ring by SKF is a precision-engineered bearing accessory, designed for industrial applications requiring high-performance needle roller bearings. This specific inner ring features a bore diameter of 42 mm, an outer diameter of 47 mm, and a width of 20 mm, making it suitable for various machinery where compact design and efficient load distribution are critical.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 42 mm |
| Outer diameter (D) | 47 mm |
| Width (B) | 20 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Reference speed | Not specified |
| Operating temperature range | -20 / +120 C |
Technical advantages
The SKF IR 42X47X20 Needle Roller Inner Ring is distinguished by its precise engineering and material quality, providing several tangible benefits:
- Chrome steel 100Cr6 construction ensures high rolling-contact fatigue life, exceeding 10^7 cycles.
- Standard P0 precision class for optimal performance in general-purpose applications.
- Operates effectively within a temperature range of -20°C to +120°C, suitable for diverse environments.
- Compact dimensions (42x47x20 mm) facilitate integration into space-constrained assemblies.
- Compatible with standard needle roller bearing configurations, ensuring easy replacement and maintenance.
Typical applications
SKF IR 42X47X20 Needle Roller Inner Rings are versatile components used across various industries and machinery, including:
- Industrial automation (robots, conveyor systems)
- Automotive manufacturing (gearboxes, drive shafts)
- Textile machinery (spinning machines, looms)
- Agricultural equipment (harvesters, balers)
- Heavy-duty construction machinery (cranes, excavators)
Availability and ordering
As a specialized B2B supplier, Eurobearing.eu offers the SKF IR42X47X20 Needle Roller Inner Ring with prompt availability. Businesses can easily add this product to their cart or request a quotation for bulk quantities, ensuring efficient procurement for all industrial needs.
