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- Size A3 Coupling Hub
- 1 7/8" Finished Bore
features
- Changeout of coupling insert is faster than any other
- No lubrication or service is required
- ATRA-FLEX couplings may be installed horizontally or vertically
- Can rotate in either direction
- No bolts or sharp edges provide safer operation
- Operation is completely silent at all speeds and loads
- No metal-to-metal contact between coupling parts
- Initial cost is low, and maintenance and downtime are minimal
| Inch/Metric | Inch Bore |
| RPM [Max] | 9600 rpm |
| Material | Steel |
| Hub Dia. | 3.52 in |
| Coupling Size | A3 |
| Length Through Bore | 2.13 in |
| Lock Type | Setscrew |
| Bore Dia. | 1.875 in |
| Outside Dia. | 4.505 in |
| Torque Rating [Max] | 4410 in lb |
| Weight | 6.0 LB |
