HEIDENHAIN ERO 1421 Incremental Rotary Encoder
The HEIDENHAIN ERO 1421 is a miniature incremental modular rotary encoder (ERO 1400 series) without integral bearing, consisting of a graduated disk and a scanning unit; conceived for applications with limited mounting space. Ask AMI about repair, replacement or sourcing for your exact unit; availability and the right replacement path are confirmed before quoting. This page does not claim stock. Previous-generation model: it no longer appears in HEIDENHAIN's current catalog for this product family.
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Own a ERO 1421 that has failed? Ask about repair options.
Representative HEIDENHAIN ERO series image; not the exact model. Check your unit's ID tag for its configuration.
Key specifications
- Miniature modular design: graduated disk plus scanning unit (no integral bearing)
- For shaft diameters up to 8 mm
- Integral mounting aid simplifies installation
- TTL quadrature output signals (5 V)
- Power supply DC 5 V
The full manufacturer spec sheet (PDF) will be added to this page when available. Confirm the full ID number from your encoder's nameplate before ordering; send the nameplate and we will confirm fit.
Pricing and lead times on request. Use Request a Quote and include the model and line count (current ID tag on your ERO 1421).