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