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Boston Gear
F7721-50-B5-H
700 Series 50:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101809113
- 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Input Configuration | C-Face Quilled |
| Output Torque | 857 lb-in |
| Base | No |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Output Configuration | Left & Right Output |
| Washdown Duty | No |
| Output Shaft | Solid |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Motor Application | General Purpose |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Worm Position | Universal |
| Box Height | 6 3/8 in |
| Center Distance Code | 721 |
| Standard | AGMA Service Class II |
| Output Bore Shaft Dia. | 1 in |
| Shaft Assembly Code | H |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Keyway Size | 3/16 x 3/32 |
| Series | 700 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base Mounting Attachment | No Base |
| Lubrication | None |
| Box Length | 6 in |
| Motor HP | 0.5 hp |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Ratio | 50:1 |
| Input Motor HP | 0.50 |
| Output Shaft Projection | Solid Double Projecting Output |
| Frame | 56C |
| Motor Frame Size | B556C |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output Speed | 35 rpm |
| Torque Out @ 1750 rpm | 857 in lb |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Frame Size | 56C |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Use With | 721 |
| Material | Cast Iron, Standard Paint |
| Torque Out @ 1150 rpm | 750 in lb |
| Media Mapping Style | F |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Reduction Type | Single |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output (Shaft or Bore) Size | 1 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Bolt Center | 5 in x 2 7/8 in |
| Fan Cooled | No |
| Media Mapping Output | H |
| Family Name | F |
| Rated Efficiency | 72% |
| Box Width | 5 3/16 in |
| Style | Right Angle |
| Bore Code | B5 |
| Center Distance | 2.0625 in |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Weight | 24.1 LB |
| EAN or UPC | 781711519769 |
