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Boston Gear
F7721-50-B5-G
700 Series 50:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101805906
- 0.5 Input Motor hp
- 700 Series
- 2.06 in Center Distance
- Single Reduction
description
- Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.
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
- Mounting of speed reducers in overhead positions may be hazardous
- Use of external guides or supports is strongly recommended for overhead mounting.
| Ratio | 50:1 |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Media Mapping Output | G |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Washdown Duty | No |
| Base to Centerline of Input Shaft | 4.34375 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Worm Position | Universal |
| Frame Size | 56C |
| Box Height | 6 3/8 in |
| Style | Right Angle |
| Output Shaft Projection | Solid Left Output |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input Configuration | C-Face Quilled |
| Series | 700 |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output (Shaft or Bore) Size | 1 in |
| Box Width | 5 3/16 in |
| Torque Out @ 1750 rpm | 857 in lb |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Fan Cooled | No |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base | No |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Output Speed | 35 rpm |
| Use With | 721 |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Lubrication | None |
| Output Configuration | Left Output |
| Standard | AGMA Service Class II |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance Code | 721 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Rated Efficiency | 72% |
| Input Motor HP | 0.50 |
| Shaft Assembly Code | G |
| Motor HP | 1/2 hp |
| Media Mapping Style | F |
| Family Name | F |
| Center Distance | 2.0625 in |
| Base Mounting Attachment | No Base |
| Output Torque | 857 lb-in |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Application | General Purpose |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Motor Frame Size | B556C |
| Material | Cast Iron, Standard Paint |
| Reduction Type | Single |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Housing Material | Cast Iron |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output Bore Shaft Dia. | 1 in |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Input (Shaft or Bore) Size | 5/8 in |
| Frame | 56C |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Output Shaft | Solid |
| Bore Code | B5 |
| Box Length | 6 in |
| Torque Out @ 1150 rpm | 750 in lb |
| Weight | 24.1 LB |
| EAN or UPC | 781711519752 |
