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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
| Output Configuration | Right Output |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Washdown Duty | No |
| Standard | AGMA Service Class I |
| Shaft Assembly Code | J |
| Box Length | 6 in |
| Material | Cast Iron, Standard Paint |
| Output Shaft Projection | Solid Right Output |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Series | 700 |
| Center Distance Code | 721 |
| Output Shaft | Solid |
| Base Mounting Attachment | No Base |
| Base to Centerline of Output Shaft | 2.28 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Torque Out @ 1150 rpm | 790 in lb |
| Input Configuration | C-Face Quilled |
| Use With | 721 |
| Output Speed | 70 rpm |
| Input HP @ RPM | 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm |
| Input Motor HP | 1 |
| Motor Application | General Purpose |
| Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
| Style | Right Angle |
| Frame Size | 56C |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Lubrication | None |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Reduction Type | Single |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Bolt Center | 5 in x 2 7/8 in |
| Bore Code | B5 |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Family Name | F |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Box Height | 6 3/8 in |
| Output (Shaft or Bore) Size | 1 in |
| Ratio | 25:1 |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Worm Position | Universal |
| Torque Out @ 1750 rpm | 875 in lb |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Output Torque @ RPM | 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm |
| Housing Material | Cast Iron |
| Base | No |
| Max. Input HP @ 100 rpm | 0.094 hp |
| Rated Efficiency | 84% |
| Center Distance | 2.0625 in |
| HP @ RPM | 1 hp @ 1800 rpm |
| Fan Cooled | No |
| Input Power Rating | 1.16 hp, 0.865 kW |
| Output Torque | 875 lb-in |
| Media Mapping Style | F |
| Motor HP | 1 hp |
| Input (Shaft or Bore) Size | 5/8 in |
| Box Width | 5 3/16 in |
| Media Mapping Output | J |
| Output Bore Shaft Dia. | 1 in |
| Keyway Size | 3/16 x 3/32 |
| Output RPM @ 1750 rpm Input | 70 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Frame | 56C |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Motor Frame Size | B556C |
| Weight | 24.1 LB |
| EAN or UPC | 781711519684 |
