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