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