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Boston Gear
F7721-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101834490
- 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 |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Motor HP | 1 hp |
| Media Mapping Style | F |
| Motor Application | General Purpose |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Torque Out @ 1750 rpm | 892 in lb |
| Center Distance Code | 721 |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Use With | 721 |
| Base to Centerline of Output Shaft | 2.28 in |
| Lubrication | None |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Input Configuration | C-Face Quilled |
| Fan Cooled | No |
| HP @ RPM | 1 hp @ 1800 rpm |
| Output Torque | 892 lb-in |
| Input Power Rating | 1.4 hp, 1.044 kW |
| Rated Efficiency | 88% |
| Bore Code | B5 |
| Output Shaft Projection | Solid Right Output |
| Output Shaft | Solid |
| Output Torque @ RPM | 892 in lb @ 1750 rpm, 782 in lb @ 1150 rpm |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Box Length | 6 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Output Speed | 87.5 rpm |
| Media Mapping Output | J |
| Torque Out @ 1150 rpm | 782 in lb |
| Bolt Pattern | 5 x 2.88 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Housing Material | Cast Iron |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Motor Frame Size | B556C |
| Family Name | F |
| Series | 700 |
| Standard | AGMA Service Class II |
| Frame | 56C |
| Worm Position | Universal |
| Base | No |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Shaft Assembly Code | J |
| Box Width | 5 3/16 in |
| Style | Right Angle |
| Box Height | 6 3/8 in |
| Bolt Center | 5 in x 2 7/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 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 |
| Frame Size | 56C |
| Reduction Type | Single |
| Ratio | 20:1 |
| Base Mounting Attachment | No Base |
| Output Bore Shaft Dia. | 1 in |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Input Motor HP | 1 |
| Material | Cast Iron, Standard Paint |
| Center Distance | 2.0625 in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Configuration | Right Output |
| Input HP @ RPM | 1.4 hp @ 1750 rpm, 0.86 hp @ 1150 rpm |
| Weight | 24.1 LB |
| EAN or UPC | 781711519653 |
