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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
| Motor HP | 1 hp |
| Housing Material | Cast Iron |
| Fan Cooled | No |
| Torque Out @ 1150 rpm | 782 in lb |
| Output Configuration | Right Output |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Standard | AGMA Service Class II |
| Material | Cast Iron, Standard Paint |
| Max. Input HP @ 100 rpm | 0.11 hp |
| Lubrication | None |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Series | 700 |
| Bore Code | B5 |
| Shaft Assembly Code | J |
| Media Mapping Style | F |
| Input Power Rating | 1.4 hp, 1.044 kW |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Media Mapping Output | J |
| Bolt Pattern | 5 x 2.88 |
| Torque Out @ 1750 rpm | 892 in lb |
| Box Height | 6 3/8 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Frame Size | 56C |
| Motor Application | General Purpose |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Input Configuration | C-Face Quilled |
| Max. Overhung Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Motor Frame Size | B556C |
| Output Speed | 87.5 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Bolt Center | 5 in x 2 7/8 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Center Distance | 2.0625 in |
| Worm Position | Universal |
| Output Shaft Projection | Solid Right Output |
| Reduction Type | Single |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Family Name | F |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Use With | 721 |
| Ratio | 20:1 |
| Style | Right Angle |
| Washdown Duty | No |
| Output (Shaft or Bore) Size | 1 in |
| Center Distance Code | 721 |
| Input HP @ RPM | 1.4 hp @ 1750 rpm, 0.86 hp @ 1150 rpm |
| Output Torque @ RPM | 892 in lb @ 1750 rpm, 782 in lb @ 1150 rpm |
| Frame | 56C |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1750 rpm, 700 lb/in @ 1150 rpm |
| Output Bore Shaft Dia. | 1 in |
| Box Width | 5 3/16 in |
| Base Mounting Attachment | No Base |
| Box Length | 6 in |
| Output Shaft | Solid |
| Base | No |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| HP @ RPM | 1 hp @ 1800 rpm |
| Output Torque | 892 lb-in |
| Input Motor HP | 1 |
| Rated Efficiency | 88% |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Weight | 24.1 LB |
| EAN or UPC | 781711519653 |
