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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.
| Torque Out @ 1150 rpm | 750 in lb |
| Input Configuration | C-Face Quilled |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Reduction Type | Single |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Box Width | 5 3/16 in |
| Style | Right Angle |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Bolt Center | 5 in x 2 7/8 in |
| Box Length | 6 in |
| Material | Cast Iron, Standard Paint |
| Family Name | F |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Center Distance Code | 721 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Washdown Duty | No |
| Use With | 721 |
| Output Configuration | Left Output |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Shaft | Solid |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Shaft Assembly Code | G |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Motor Application | General Purpose |
| Output Torque | 857 lb-in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Standard | AGMA Service Class II |
| Frame | 56C |
| Torque Out @ 1750 rpm | 857 in lb |
| Rated Efficiency | 72% |
| Housing Material | Cast Iron |
| Motor Frame Size | B556C |
| Output (Shaft or Bore) Size | 1 in |
| Frame Size | 56C |
| Bore Code | B5 |
| Ratio | 50:1 |
| Output Bore Shaft Dia. | 1 in |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Fan Cooled | No |
| Worm Position | Universal |
| Motor HP | 1/2 hp |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Box Height | 6 3/8 in |
| Media Mapping Style | F |
| Lubrication | None |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Base | No |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Base to Centerline of Input Shaft | 4.34375 in |
| Media Mapping Output | G |
| Series | 700 |
| Output Shaft Projection | Solid Left Output |
| Center Distance | 2.0625 in |
| Output Speed | 35 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Input Motor HP | 0.50 |
| Weight | 24.1 LB |
| EAN or UPC | 781711519752 |
