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- 1/2 in Bore
- Air Actuated, Spring Return
- Standard Coefficient Facing
- 3.76 hp Peak Thermal Input
- Pilot Mount Drive Arangement
features
- Air engaged, straight bore, shaft mounted clutch with 70 in lb of torque and open bearings
- Pilot-mount clutches accept customer-supplied pulleys, sprockets, or Nexen couplings
- Maximum operating speed up to 3,600 rpm
- Pilot mount
- Corrosion-resistant model available for damp environments
- Customize bore to shaft diameter with bushing or coupling half
- Equipped with thrust bearings and single key splined hub
- Heat sink capacity of 5,650 ft lb
- Static torque capacity up to 100 in lb at 80 psi
- Tapped holes provide for easy mounting in applications with pulleys, sprockets, or gears
- Thermal horsepower rating of 0.13 at 1,800 rpm
- Through-shaft mounted to provide design versatility
- Transmitted horesepower: 0.05 to 1.00
includes
- 8.25" hose
options
- Bushings reduce bore size (sold separately)
- Coupling half used for in-line applications
| Model | BW |
| Clutch Facing Type | Standard Coefficient |
| Maximum Clutch Continuous Thermal Dissipation | 0.13 hp |
| Static Torque Capacity @ 80 PSI | 100 lb/in |
| Actuation/Return | Air/Spring |
| Minimum Engagement Pressure | 8 psi |
| Main Category | Friction Clutches |
| Bore Style | Straight |
| Clutch Facing Effective Area | 4.17 in2 |
| Clutch Facing Edge Color Code | Red |
| Finish | Black Oxide |
| Family Name | BW Clutches |
| Pilot Or Drive Flange Bolt Circle Data | 4, #10-32 Screws @ 90° On A 2.437 in. Circle |
| Open Or Enclosed Design | Open |
| Clutch Air Chamber Volume When New | 0.201 in3 |
| Photo | B275PM |
| Recommended Control Kits | 940011, 940017, 940021, 940412 |
| Accessory Miscellaneous | 800111 |
| Drive Inertia | 0.86 lb in2 |
| Operating Speed [Max] | 3600 rpm |
| Clutch Heat Sink Capacity | 5650 lbf ft |
| Overall Length | 3.51 in |
| Transmitted Horsepower | 1 hp |
| Outside Dia. | 2.89 in |
| Clutch Air Chamber Volume When Worn Out | 0.63 in3 |
| Approximate Clutch Facing Life | 33 hp-hr |
| Maximum Pressure | 80 psi |
| Clutch Peak Thermal Input Rate | 3.76 hp |
| Pilot Size | 2.124 in |
| Minimum Sprocket Size | 25/40T, 35/28T, 40/22T |
| Kits | 846800, 846871 |
| Drive Arrangement | Pilot Mount |
| Port or Hose Size | 0.125 NPT |
| Control Accessories | 932800, 939101, 939201, 939300, 940001, 940412, 944400, 944900, 945100, 948801, 948802, 948803, 948804 |
| Maximum Static Clutch Torque | 70 in lb |
| Product Category | Air Champ® Open Bearing Units |
| Mounting Type | Pilot Mount |
| Weight | 3.7 LB |
| EAN or UPC | 662284153287 |
