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Boston Gear
F721-5-B7-H
700 Series 5:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101805905
- 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
| Material | Cast Iron, Standard Paint |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Shaft Assembly Code | H |
| Reduction Type | Single |
| Family Name | F |
| Series | 700 |
| Worm Position | Universal |
| Output Speed | 350 rpm |
| Base Mounting Attachment | No Base |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Frame Size | 140TC, 180C |
| Rated Efficiency | 94% |
| Lubrication | None |
| Use With | 721 |
| Output Torque | 620 lb-in |
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Motor HP | 2 hp |
| Base to Centerline of Input Shaft | 4 11/32 in |
| HP @ RPM | 3 hp @ 1800 rpm |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| Output (Shaft or Bore) Size | 1 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Motor Application | General Purpose |
| Box Width | 5 3/16 in |
| Torque Out @ 1150 rpm | 575 in lb |
| Bolt Center | 5 in x 2 7/8 in |
| Ratio | 5:1 |
| Base to Centerline of Output Shaft | 2.28 in |
| Media Mapping Output | H |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Center Distance | 2.0625 in |
| Box Height | 6 3/8 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Input (Shaft or Bore) Size | 7/8 in |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Standard | AGMA Service Class II |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Output Shaft | Solid |
| Media Mapping Style | F |
| Output Configuration | Left & Right Output |
| Center Distance Code | 721 |
| Input Motor HP | 2 |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Bore Code | B7 |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Input Configuration | C-Face Quilled |
| Frame | 140TC, 180C |
| Output Shaft Projection | Solid Double Projecting Output |
| Style | Right Angle |
| Housing Material | Cast Iron |
| Output Bore Shaft Dia. | 1 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Torque Out @ 1750 rpm | 620 in lb |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Washdown Duty | No |
| Keyway Size | 3/16 x 3/32 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Fan Cooled | No |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Motor Frame Size | B7140TC180C |
| Base | No |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Box Length | 6 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519523 |
