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Heidenhain RCN2391F Rotary Encoder for CNC Machines
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Heidenhain RCN2391F
High-precision absolute position feedback for demanding CNC and industrial motion-control applications
| Brand | Heidenhain |
| Model | RCN2391F |
| Voltage | 5V DC |
| Country of Origin | Germany |
| Weight | Approximately 0.8 kg |
| Dimensions | Approximately 90 mm diameter x 50 mm length |
| Warranty | 6 months |
| Certifications | CE |
| SKU / MPN | RCN2391F |
| What’s in the box | Rotary encoder, mounting hardware, product documentation |
| Encoder Type | Absolute rotary encoder |
| Measuring Principle | Optical scanning |
| Interface | EnDat 2.2 |
| Resolution | 23-bit singleturn, model-dependent |
| Accuracy | High-precision angular measurement |
| Application | CNC machine tool axis feedback |
Key benefits: Absolute position measurement, reliable optical scanning, EnDat digital communication, high accuracy, and rapid startup without reference travel
Typical applications: CNC machine tools, rotary tables, machining centers, robotic axes, and precision automation equipment
Lifecycle: Active industrial product; availability depends on manufacturer support and current inventory
1 review for Heidenhain RCN2391F Rotary Encoder for CNC Machines
Clear filtersOur Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don’t worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
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Orders usually ship the same day
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.

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Andrew C. –
Excellent built quality. Integrated easily into our existing control system.