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