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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
| Output Configuration | Left Output |
| Torque Out @ 1750 rpm | 590 in lb |
| Motor HP | 3/4 hp |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Standard | AGMA Service Class I |
| Input Motor HP | 1 |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Input Configuration | C-Face Quilled |
| Motor Frame Size | B556C |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Family Name | F |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Base Mounting Attachment | No Base |
| Base | No |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Box Length | 5 1/2 in |
| Output Bore Shaft Dia. | 0.875 in |
| Output Torque | 590 lb-in |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Housing Material | Cast Iron |
| Ratio | 20:1 |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Reduction Type | Single |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Box Height | 5 3/4 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Fan Cooled | No |
| Worm Position | Universal |
| Box Width | 5 1/32 in |
| Center Distance | 1.75 in |
| Output Speed | 87.5 rpm |
| Series | 700 |
| Frame | 56C |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Media Mapping Output | G |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Style | Right Angle |
| Use With | 718 |
| Frame Size | 56C |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Bore Code | B5 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Washdown Duty | No |
| Output Shaft Projection | Solid Left Output |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Material | Cast Iron, Standard Paint |
| Lubrication | None |
| Motor Application | General Purpose |
| Rated Efficiency | 84% |
| Shaft Assembly Code | G |
| Output (Shaft or Bore) Size | 7/8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Torque Out @ 1150 rpm | 525 in lb |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Center Distance Code | 718 |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Media Mapping Style | F |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Weight | 19.1 LB |
| EAN or UPC | 781711519332 |
