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