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