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