Find a Service Center
Boston Gear
F7718-25-B5-G
700 Series 25:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101833810
- 0.75 Input Motor hp
- 700 Series
- 1.75 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 | Left Output |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Torque Out @ 1150 rpm | 500 in lb |
| Max. Thrust Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Output Shaft | Solid |
| Rated Efficiency | 84% |
| Base | No |
| Frame | 56C |
| Housing Material | Cast Iron |
| Reduction Type | Single |
| Output Shaft Projection | Solid Left Output |
| Input (Shaft or Bore) Size | 5/8 in |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Box Width | 5 1/32 in |
| Input HP @ RPM | 0.48 hp @ 1150 rpm, 0.76 hp @ 1750 rpm |
| Bore Code | B5 |
| Input Power Rating | 0.76 hp, 0.567 kW |
| Output (Shaft or Bore) Size | 7/8 in |
| Base Mounting Attachment | No Base |
| Output Torque @ RPM | 500 in lb @ 1150 rpm, 574 in lb @ 1750 rpm |
| Material | Cast Iron, Standard Paint |
| Fan Cooled | No |
| Washdown Duty | No |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Worm Position | Universal |
| Output Torque | 574 lb-in |
| Media Mapping Output | G |
| Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
| Torque Out @ 1750 rpm | 574 in lb |
| Center Distance | 1.75 in |
| Max. Overhung Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Series | 700 |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Output RPM @ 1750 rpm Input | 70 rpm |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Media Mapping Style | F |
| Ratio | 25:1 |
| Input Motor HP | 0.75 |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Frame Size | 56C |
| Center Distance Code | 718 |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Motor Application | General Purpose |
| Motor Frame Size | B556C |
| Output Bore Shaft Dia. | 0.875 in |
| Standard | AGMA Service Class I |
| Use With | 718 |
| Box Length | 5 1/2 in |
| Lubrication | None |
| Family Name | F |
| Input Configuration | C-Face Quilled |
| Shaft Assembly Code | G |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Style | Right Angle |
| Output Speed | 70 rpm |
| Box Height | 5 3/4 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Weight | 19.1 LB |
| EAN or UPC | 781711519363 |
