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
| Box Height | 6 3/8 in |
| Output (Shaft or Bore) Size | 1 in |
| Output Torque | 620 lb-in |
| Bore Code | B7 |
| Lubrication | None |
| Style | Right Angle |
| Fan Cooled | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Frame | 140TC, 180C |
| Rated Efficiency | 94% |
| Output Shaft | Solid |
| Washdown Duty | No |
| Base to Centerline of Output Shaft | 2.28 in |
| Input (Shaft or Bore) Size | 7/8 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Center Distance | 2.0625 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base Mounting Attachment | No Base |
| Housing Material | Cast Iron |
| Family Name | F |
| Output Speed | 350 rpm |
| Motor HP | 2 hp |
| Standard | AGMA Service Class II |
| Input Configuration | C-Face Quilled |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Use With | 721 |
| HP @ RPM | 3 hp @ 1800 rpm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Box Width | 5 3/16 in |
| Media Mapping Output | H |
| Input HP @ RPM | 2.33 hp @ 1150 rpm, 3.66 hp @ 1750 rpm |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Bore Shaft Dia. | 1 in |
| Base | No |
| Shaft Assembly Code | H |
| Max. Overhung 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 |
| Output RPM @ 1750 rpm Input | 350 rpm |
| Torque Out @ 1150 rpm | 575 in lb |
| Torque Out @ 1750 rpm | 620 in lb |
| Series | 700 |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Max. Input HP @ 100 rpm | 0.3 hp |
| Motor Application | General Purpose |
| Ratio | 5:1 |
| Output Shaft Projection | Solid Double Projecting Output |
| Box Length | 6 in |
| Reduction Type | Single |
| Worm Position | Universal |
| Input Motor HP | 2 |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Torque @ RPM | 575 in lb @ 1150 rpm, 620 in lb @ 1750 rpm |
| Input Power Rating | 3.66 hp, 2.729 kW |
| Media Mapping Style | F |
| Center Distance Code | 721 |
| Bolt Center | 5 in x 2 7/8 in |
| Motor Frame Size | B7140TC180C |
| Frame Size | 140TC, 180C |
| Keyway Size | 3/16 x 3/32 |
| Output Configuration | Left & Right Output |
| Material | Cast Iron, Standard Paint |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output RPM @ Input RPM | 350 rpm @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519523 |
