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Boston Gear
F721-5-B7-G
700 Series 5:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101810905
- 2 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
| Input Configuration | C-Face Quilled |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Series | 700 |
| Input (Shaft or Bore) Size | 7/8 in |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Output Shaft | Solid |
| Family Name | F |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Center | 5 in x 2 7/8 in |
| Standard | AGMA Service Class II |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| Use With | 721 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Torque Out @ 1150 rpm | 575 in lb |
| Output Configuration | Left Output |
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Motor Frame Size | B7140TC180C |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Torque | 620 lb-in |
| Motor Application | General Purpose |
| Media Mapping Style | F |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Media Mapping Output | G |
| Housing Material | Cast Iron |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Speed | 350 rpm |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Ratio | 5:1 |
| Center Distance | 2.0625 in |
| Motor HP | 2 hp |
| Lubrication | None |
| Output (Shaft or Bore) Size | 1 in |
| Fan Cooled | No |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Input Motor HP | 2 |
| Bore Code | B7 |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Box Length | 6 in |
| Base Mounting Attachment | No Base |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Reduction Type | Single |
| Output Bore Shaft Dia. | 1 in |
| Rated Efficiency | 94% |
| Worm Position | Universal |
| HP @ RPM | 3 hp @ 1800 rpm |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Box Height | 6 3/8 in |
| Output Shaft Projection | Solid Left Output |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Material | Cast Iron, Standard Paint |
| Style | Right Angle |
| Washdown Duty | No |
| Base | No |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Box Width | 5 3/16 in |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Torque Out @ 1750 rpm | 620 in lb |
| Shaft Assembly Code | G |
| Center Distance Code | 721 |
| Frame Size | 140TC, 180C |
| Frame | 140TC, 180C |
| Weight | 24.1 LB |
| EAN or UPC | 781711519516 |
