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