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- Drop-Out Coupling Type
- 0.625 in Bore Diameter
- 3.25 in Outside Diameter
- RRU137 Coupling Size
| Coupling Type | Drop-Out |
| Material | Steel |
| Bore Dia. [Max] | 1 7/8 in |
| Bolt Size | 1 |
| Parallel Misalignment [Max] | 0.035 in |
| Color | Gray/Metallic |
| Keyway Size | No Keyway |
| Bore Type | Finished Bore |
| Outside Dia. | 3.25 in |
| Overall Length | 6.53 in |
| Hub Dia. | 3 1/4 in |
| Set Screw Size | 3/8-16 |
| Hub Overall Length | 1.88 in |
| Flange Diameter | 4.38 in |
| RPM [Max] | 6000 rpm |
| Wind-Up Angle @ Maximum Torque | 1.85 ° |
| Torque | 1260 in lb |
| Angular Misalignment [Max] | 3 degrees |
| Axial Misalignment | 0.04 in |
| Rated Power @ 100 rpm | 2 1/50 hp |
| Wind-Up Angle @ Nominal Torque | 3 ° |
| Coupling Size | RRU137 |
| Bore Dia. [Min] | 5/8 in |
| Weight | 3.96 LB |
| EAN or UPC | 685144310453 |
