Find a Service Center
- 2 1/16" Center Distance
- 20:1 Ratio
- 140TC or 180C Frame
- C-Face Quilled Input
- Right Output
features
- Large oil reservoir provides efficient heat dissipation and lubrication for longer life
- Housing is straddle milled top and bottom for precise alignment
- Internal baffles ensure positive, leak-free venting
- Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
- Bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and load capacities on size 713 to 760
- High strength steel output shaft ensures capacity for high torque
- Pipe plugs allow easy fill, level and drain in any mounting position
- Super finished oil seal diameters on both input and output shafts extend seal life
caution
- Drives requiring high Overload Service Factors may need heavy-duty web type sheaves
| Use With | 721 |
| Motor Application | General Purpose |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Washdown Duty | No |
| Output (Shaft or Bore) Size | 1 in |
| Fan Cooled | No |
| Reduction Type | Single Reduction |
| Frame | 140TC, 180C |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Input (Shaft or Bore) Size | 7/8 in |
| Frame Size | 140TC, 180C |
| Box Width | 5 3/16 in |
| Housing Material | Cast Iron |
| Family Name | F |
| Input Configuration | C-Face Quilled |
| Torque Out @ 1150 rpm | 782 in lb |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Box Length | 6 in |
| Worm Position | Universal |
| Output Configuration | Right Output |
| Input HP @ RPM | 0.86 hp @ 1150 rpm, 1.4 hp @ 1750 rpm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Center | 5 in x 2 7/8 in |
| Lubrication | None |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Ratio | 20:1 |
| Base to Centerline of Output Shaft | 2.28 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance | 2 1/16 in |
| Base | No |
| Shaft Assembly Code | J |
| Bore Code | B7 |
| Box Height | 6 3/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Torque @ RPM | 782 in lb @ 1150 rpm, 892 in lb @ 1750 rpm |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Torque Out @ 1750 rpm | 892 in lb |
| HP @ RPM | 1 hp @ 1800 rpm |
| Weight | 24.1 LB |
| EAN or UPC | 781711525913 |
