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Boston Gear
F7721-20-B5-G
700 Series 20:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101833975
- 1 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| HP @ RPM | 1 hp @ 1800 rpm |
| Output Torque @ RPM | 892 in lb @ 1750 rpm, 782 in lb @ 1150 rpm |
| Base to Centerline of Output Shaft | 2.28 in |
| Input Configuration | C-Face Quilled |
| Output Configuration | Left Output |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Use With | 721 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Standard | AGMA Service Class II |
| Output (Shaft or Bore) Size | 1 in |
| Output Torque | 892 lb-in |
| Bolt Center | 5 in x 2 7/8 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Input HP @ RPM | 1.4 hp @ 1750 rpm, 0.86 hp @ 1150 rpm |
| Motor Application | General Purpose |
| 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 Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Center Distance Code | 721 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Worm Position | Universal |
| Output Speed | 87.5 rpm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Base Mounting Attachment | No Base |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Torque Out @ 1150 rpm | 782 in lb |
| Box Width | 5 3/16 in |
| Media Mapping Style | F |
| Bolt Pattern | 5 x 2.88 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Series | 700 |
| Rated Efficiency | 88% |
| Input (Shaft or Bore) Size | 5/8 in |
| Frame Size | 56C |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Fan Cooled | No |
| Motor Frame Size | B556C |
| Motor HP | 1 hp |
| Family Name | F |
| Frame | 56C |
| Input Motor HP | 1 |
| Output Shaft Projection | Solid Left Output |
| Base | No |
| Housing Material | Cast Iron |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Center Distance | 2.0625 in |
| Output Bore Shaft Dia. | 1 in |
| Bore Code | B5 |
| Lubrication | None |
| Material | Cast Iron, Standard Paint |
| Input Power Rating | 1.4 hp, 1.044 kW |
| Washdown Duty | No |
| Torque Out @ 1750 rpm | 892 in lb |
| Ratio | 20:1 |
| Media Mapping Output | G |
| Box Length | 6 in |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Box Height | 6 3/8 in |
| Style | Right Angle |
| Reduction Type | Single |
| Shaft Assembly Code | G |
| Weight | 24.1 LB |
| EAN or UPC | 781711519639 |
