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Boston Gear
SFWA721-300-B5-G
700 Series C-Face Quilled, Hollow Output Double Reduction Parallel Reducer
Item #102890862
- 2 1/16" Center Distance
- 300:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Hollow 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
- Lubrication required
| Output RPM @ 1750 rpm Input | 5.8 rpm |
| Washdown Duty | No |
| Shaft Assembly Code | G |
| Box Width | 9 55/64 in |
| Keyway Size | 3/16 x 3/32 |
| Base to Centerline of Output Shaft | 4 3/32 in |
| Input Configuration | C-Face Quilled |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Configuration | Hollow Output |
| Motor Application | General Purpose |
| Bolt Center | 5 in x 2 7/8 in |
| Center Distance | 2 1/16 in |
| Bore Code | B5 |
| Fan Cooled | No |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Lubrication | None |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Box Length | 5 13/64 in |
| Worm Position | Universal¦Parallel |
| Input (Shaft or Bore) Size | 5/8 in |
| Torque Out @ 1750 rpm | 1025 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Motor HP | 1/4 hp |
| HP @ RPM | 0.25 hp @ 1800 rpm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Reduction Type | Double Reduction |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Frame Size | 56C |
| Frame | 56C |
| Ratio | 300:1 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Torque Out @ 1150 rpm | N/A |
| Family Name | SFWA |
| Box Height | 6 25/64 in |
| Base to Centerline of Input Shaft | 3 3/8 in |
| Weight | 32.0 LB |
| EAN or UPC | 884107383125 |
