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- 6" Center Distance
- 10:1 Ratio
- 250TC Frame
- C-Face Coupled Input
- Left & 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
- Use of external guides or supports is strongly recommended for overhead mounting.
| Frame Size | 250TC |
| Box Height | 16 1/2 in |
| Center Distance | 6 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Family Name | RF |
| Motor HP | 20 hp |
| Torque Out @ 1750 rpm | 8067 in lb |
| Frame | 250TC |
| Bore Code | B13 |
| Base to Centerline of Output Shaft | 6 1/2 in |
| Max. Input HP @ 100 rpm | 3.19 hp |
| Bolt Centers w/ Vertical Base Kits (in) | 20.88 x 11.75 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 7.31 in |
| Housing Material | Cast Iron |
| Lubrication | None |
| Max. Overhung Load @ RPM | 2400 lb/in @ 1150 rpm, 2400 lb/in @ 1750 rpm |
| Keyway Size | 3/8 x 3/16 |
| Output Torque @ RPM | 8067 in lb @ 1750 rpm, 9400 in lb @ 1150 rpm |
| Input Configuration | C-Face Coupled |
| Shaft Assembly Code | H |
| Torque Out @ 1150 rpm | 9400 in lb |
| HP @ RPM | 20 hp @ 1800 rpm |
| Max. Thrust Load @ RPM | 2100 lb/in @ 1150 rpm, 2100 lb/in @ 1750 rpm |
| Max. Thrust Load @ 1150 rpm | 2100 lb/in |
| Input (Shaft or Bore) Size | 1 5/8 in |
| Bolt Centers w/ Std. Base Kit (in) | 16 1/2 x 9 1/2 |
| Bolt Center Length x Bolt Center Width | 12 3/4 in x 6 3/8 in |
| Input HP @ RPM | 18.6 hp @ 1150 rpm, 28.83 hp @ 1750 rpm |
| Reduction Type | Single Reduction |
| Motor Application | General Purpose |
| Base to Shaft Center Height w/Std. Base Kit | 7 3/4 in |
| Washdown Duty | No |
| Bolt Center | 12 3/4" x 6 3/8" |
| Output (Shaft or Bore) Size | 2 1/4 in |
| Box Width | 10 3/4 in |
| Base to Centerline of Input Shaft | 12 1/2 in |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Worm Position | Universal |
| Base to Shaft Center Height w/High Vert. Base Kit | 9.63 in |
| Ratio | 10:1 |
| Output Configuration | Left & Right Output |
| Box Length | 14 1/2 in |
| Fan Cooled | No |
| Max. Overhung Load @ 1750 rpm | 2400 lb/in |
| Weight | 281.1 LB |
| EAN or UPC | 781711528433 |
