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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
| Output Bore Shaft Dia. | 1 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Standard | AGMA Service Class II |
| Family Name | F |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Box Height | 6 3/8 in |
| Motor Frame Size | B556C |
| Shaft Assembly Code | H |
| Output Torque | 857 lb-in |
| Input Motor HP | 0.50 |
| Bolt Center | 5 in x 2 7/8 in |
| Output Shaft | Solid |
| Keyway Size | 3/16 x 3/32 |
| Media Mapping Style | F |
| Lubrication | None |
| Output Configuration | Left & Right Output |
| Input HP @ RPM | 0.38 hp @ 1150 rpm, 0.66 hp @ 1750 rpm |
| Media Mapping Output | H |
| Ratio | 50:1 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input Power Rating | 0.66 hp, 0.492 kW |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Rated Efficiency | 72% |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Motor HP | 0.5 hp |
| Output Speed | 35 rpm |
| Center Distance | 2.0625 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Motor Application | General Purpose |
| Input Configuration | C-Face Quilled |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Output Torque @ RPM | 750 in lb @ 1150 rpm, 857 in lb @ 1750 rpm |
| Base | No |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Base Mounting Attachment | No Base |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Material | Cast Iron, Standard Paint |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Frame | 56C |
| Box Length | 6 in |
| Max. Input HP @ 100 rpm | 0.057 hp |
| Output Shaft Projection | Solid Double Projecting Output |
| Series | 700 |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Washdown Duty | No |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Use With | 721 |
| Bore Code | B5 |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Torque Out @ 1150 rpm | 750 in lb |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Center Distance Code | 721 |
| Housing Material | Cast Iron |
| Frame Size | 56C |
| Fan Cooled | No |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Torque Out @ 1750 rpm | 857 in lb |
| Worm Position | Universal |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Box Width | 5 3/16 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Style | Right Angle |
| Base to Centerline of Output Shaft | 2.28 in |
| Reduction Type | Single |
| Weight | 24.1 LB |
| EAN or UPC | 781711519769 |
