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