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