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