Find a Service Center
Alternate Products
- Gear Coupling Hub
- 4 1/2 Coupling Size
- Rough Stock Bore
- 1 1/2 in Minimum Bore Diameter
- 4 3/4 in Maximum Bore Diameter
features
- Smooth, one-piece alloy steel sleeve with either exposed or shrouded bolt design
- Heat-treated bolts for high strength and coated for corrosion resistance
- Patented Vari-Crown® gear teeth for long life
- AISI 4140 alloy steel construction
- All-metal labyrinth seals
- Larger bore capacity
- Piloted gear fit for higher speeds and less vibration
- Compensates for angular, parallel and axial misalignment
| Parallel Misalignment [Max] | 0.79 in |
| Flange Type | Exposed Bolt |
| RPM | 2700 rpm |
| Color | Metallic |
| Bore Type | Rough Stock Bore |
| Outside Dia. | 6.5 in |
| Family Name | Sier-Bath® Alloy Steel Labyrinth Seal Series Couplings |
| Bore Dia. [Max] | 4 3/4 in |
| RPM [Max] | 4770 rpm |
| HP @ RPM | 625 hp @ 100 rpm |
| Length Through Bore | 6.44 in |
| Flange Diameter | 13.63 in |
| Material | All Metal |
| Input Bore Range | 1 1/2" to 4 3/4" |
| Coupling Size | 4.5, 4 1/2 |
| Torque | 302400 in lb |
| Distance Between Shaft Ends | 0.31 in |
| Speed (RPM) | 2700 |
| Torque Rating [Max] | 393750 in lb |
| Bore Dia. [Min] | 1 1/2 in |
| Hub Dia. | 6 1/2 in |
| Coupling Type | Gear |
| Insert Style | Unbored |
| Weight | 75.0 LB |
| EAN or UPC | 697904915891 |
