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Boston Gear
F7718-20-B5-G
700 Series 20:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #102083209
- 1 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Washdown Duty | No |
| Output Speed | 87.5 rpm |
| Family Name | F |
| Material | Cast Iron, Standard Paint |
| Use With | 718 |
| Input Motor HP | 1 |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Center Distance | 1.75 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Box Length | 5 1/2 in |
| Reduction Type | Single |
| Output Torque | 590 lb-in |
| Worm Position | Universal |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Ratio | 20:1 |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Lubrication | None |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Media Mapping Style | F |
| Output Configuration | Left Output |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Standard | AGMA Service Class I |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Housing Material | Cast Iron |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Center Distance Code | 718 |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Frame | 56C |
| Torque Out @ 1150 rpm | 525 in lb |
| Input Configuration | C-Face Quilled |
| Style | Right Angle |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Box Height | 5 3/4 in |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Output (Shaft or Bore) Size | 7/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Bore Code | B5 |
| Base | No |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Fan Cooled | No |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Base Mounting Attachment | No Base |
| Motor Frame Size | B556C |
| Motor Application | General Purpose |
| Output Bore Shaft Dia. | 0.875 in |
| Shaft Assembly Code | G |
| Frame Size | 56C |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Motor HP | 3/4 hp |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Box Width | 5 1/32 in |
| Torque Out @ 1750 rpm | 590 in lb |
| Output Shaft Projection | Solid Left Output |
| Rated Efficiency | 84% |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Series | 700 |
| Output Shaft | Solid |
| Media Mapping Output | G |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Weight | 19.1 LB |
| EAN or UPC | 781711519332 |
