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Boston Gear
F7721-25-B5-J
700 Series 25:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101836245
- 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
caution
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Frame Size | 56C |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Center Distance | 2.0625 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque | 875 lb-in |
| Torque Out @ 1150 rpm | 790 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Output Shaft | Solid |
| Media Mapping Output | J |
| Output Speed | 70 rpm |
| Output Configuration | Right Output |
| Output Torque @ RPM | 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm |
| Motor Application | General Purpose |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Material | Cast Iron, Standard Paint |
| Standard | AGMA Service Class I |
| Max. Input HP @ 100 rpm | 0.094 hp |
| Output (Shaft or Bore) Size | 1 in |
| Box Length | 6 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Torque Out @ 1750 rpm | 875 in lb |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Base to Centerline of Output Shaft | 2.28 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Input Motor HP | 1 |
| Input HP @ RPM | 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm |
| Center Distance Code | 721 |
| Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
| Input Configuration | C-Face Quilled |
| Motor Frame Size | B556C |
| Base | No |
| Fan Cooled | No |
| Family Name | F |
| Base Mounting Attachment | No Base |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Ratio | 25:1 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Reduction Type | Single |
| Bolt Center | 5 in x 2 7/8 in |
| Use With | 721 |
| Series | 700 |
| HP @ RPM | 1 hp @ 1800 rpm |
| Output RPM @ 1750 rpm Input | 70 rpm |
| Box Width | 5 3/16 in |
| Input Power Rating | 1.16 hp, 0.865 kW |
| Media Mapping Style | F |
| Output Bore Shaft Dia. | 1 in |
| Lubrication | None |
| Bore Code | B5 |
| Motor HP | 1 hp |
| Frame | 56C |
| Housing Material | Cast Iron |
| Output Shaft Projection | Solid Right Output |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Style | Right Angle |
| Washdown Duty | No |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Rated Efficiency | 84% |
| Keyway Size | 3/16 x 3/32 |
| Worm Position | Universal |
| Box Height | 6 3/8 in |
| Shaft Assembly Code | J |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Weight | 24.1 LB |
| EAN or UPC | 781711519684 |
