Find a Service Center
- Shaft-to-Shaft Coupling Type
- 3/4 in Bore Diameter
- 2.17 in Outside Diameter
- U125R Coupling Size
applications
- Textile equipment
- Conveyors
- Machine tools
- Centrifugal pumps
- Blowers
- Wind tunnels
- Steering mechanisms
features
- Easy to install
- Flexibility compensates for high degrees of shaft misalignment
- Durable, one piece
- No wear parts
- Compact design
- Unaffected by oil, grease, dirt, and most industrial chemicals
- No lubrication required
| Coupling Size | U125R |
| Spider Outside Diameter | 0.62 in |
| Hub Type | Regular |
| Bolt Size | 1 |
| Outside Dia. | 2.17 in |
| RPM | 6000 rpm |
| Material | Steel |
| Bore Range [Max] | 1.25 in |
| Wind-Up Angle @ Nominal Torque | 1.85 ° |
| Keyway Size | 3/16 x 3/32 |
| Wind-Up Angle @ Maximum Torque | 4.5 ° |
| Bore Type | Finished Bore |
| Bore Range [Min] | 0.625 in |
| Temperature Range [Min] | -40 °F |
| Length Through Bore | 1.28 in |
| Bore Dia. [Min] | 5/8 in |
| Overall Length | 4.88 in |
| Rated Power @ 100 rpm | 1.21 hp |
| Temperature Range [Max] | 250 °F |
| Set Screw | 3/8-16 |
| Set Screw Size | 3/8-16 |
| Nominal Size | 3/4 in |
| Parallel Misalignment [Max] | 0.044 in |
| Bore Dia. [Max] | 1 1/4 in |
| Axial Misalignment | 0.04 in |
| Coupling Type | Shaft-to-Shaft |
| Torque | 755 in lb |
| RPM [Max] | 6000 rpm |
| Color | Gray/Metallic |
| Spider Inside Diameter | 0.313 in |
| Weight | 2.7 LB |
| EAN or UPC | 685144483256 |
