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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
| Washdown Duty | No |
| Motor Frame Size | B556C |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Family Name | F |
| Standard | AGMA Service Class II |
| Center Distance Code | 721 |
| Media Mapping Style | F |
| Output Shaft | Solid |
| Style | Right Angle |
| Torque Out @ 1150 rpm | 782 in lb |
| Output Configuration | Left Output |
| Media Mapping Output | G |
| Frame Size | 56C |
| Output Shaft Projection | Solid Left Output |
| Box Width | 5 3/16 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output (Shaft or Bore) Size | 1 in |
| Output Speed | 87.5 rpm |
| Center Distance | 2.0625 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Motor HP | 1 hp |
| Shaft Assembly Code | G |
| Use With | 721 |
| Motor Application | General Purpose |
| HP @ RPM | 1 hp @ 1800 rpm |
| Base | No |
| Box Height | 6 3/8 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Lubrication | None |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Fan Cooled | No |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input Motor HP | 1 |
| Output Bore Shaft Dia. | 1 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Ratio | 20:1 |
| Input HP @ RPM | 1.4 hp @ 1750 rpm, 0.86 hp @ 1150 rpm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bore Code | B5 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Input Power Rating | 1.4 hp, 1.044 kW |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Output Torque @ RPM | 892 in lb @ 1750 rpm, 782 in lb @ 1150 rpm |
| Housing Material | Cast Iron |
| Material | Cast Iron, Standard Paint |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Pattern | 5 x 2.88 |
| Bolt Center | 5 in x 2 7/8 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Worm Position | Universal |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Torque | 892 lb-in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Torque Out @ 1750 rpm | 892 in lb |
| Base Mounting Attachment | No Base |
| Rated Efficiency | 88% |
| Input Configuration | C-Face Quilled |
| Box Length | 6 in |
| Frame | 56C |
| Series | 700 |
| Reduction Type | Single |
| Weight | 24.1 LB |
| EAN or UPC | 781711519639 |
