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