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