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