Overview
The Ringfeder 7005 ECOLOC 50X80 is a precision-engineered, self-locking bushing hub from Ringfeder’s 7005 series. This three-piece, self-centering locking assembly delivers keyless power transmission with exceptional torque capacity and repeatability. The 50X80 designation indicates a 50mm bore inner diameter and 80mm outer diameter, making it suitable for a wide range of industrial machinery, including conveyors, pumps, compressors, and heavy-duty rotating equipment.
Key Features
- Three-piece self-centering design — Optimizes load distribution and minimizes runout for consistent, reliable performance
- Keyless connection — Eliminates traditional keyways, reducing stress concentration and improving shaft durability
- High torque capacity — Engineered for heavy-duty industrial applications with maximum torque transmission
- Easily removable — Allows for simple maintenance and component replacement without permanent modifications
- Precision bore and OD tolerances — Ensures tight, predictable fits on standard shaft and hub diameters
Technical Specifications
| Bore (Inner Diameter) | 50 mm |
| Outer Diameter | 80 mm |
| Series | RfN 7005 ECOLOC |
| Design Type | Three-piece self-centering locking assembly |
| Connection Type | Keyless (self-locking) |
| Tightening Torque | 30.2 ft-lb (approximately 41 Nm) |
| Manufacturer | Ringfeder |
| Country of Origin | Germany |
| Condition | New |
Typical Applications
The Ringfeder 7005 ECOLOC 50X80 is ideal for:
- Conveyor system pulleys and drive shafts
- Pump and motor shaft couplings
- Compressor impeller mounting
- Heavy-duty rotating machinery requiring keyless power transmission
- Equipment needing simple, tool-free maintenance and replacement
- Industries where shaft wear from traditional keyways is a concern
Compatibility & Replacements
Compatible With
- Standard metric shaft diameters (50 mm bore)
- Industrial hubs and sprockets with 50 mm bore
- Metric motor and pump shafts
- Equipment utilizing ECOLOC self-locking bushing technology
Replaces / Drop-In Replacement For
- Other Ringfeder 7005 50X80 units (equivalent variants)
- Traditional keyway assemblies on 50 mm shafts (with hub re-boring required)
- Verify compatibility with your specific hub and shaft dimensions before ordering
Works With
- Standard metric industrial shafts and hubs
- Conveyor, pump, and motor applications using metric components
- Equipment designed for keyless power transmission
- Systems requiring removable, reusable locking assemblies
