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Boston Gear
RF718-20-B5-G
700 Series 20:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101872193
- 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
caution
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Output Torque | 590 lb-in |
| Motor Application | General Purpose |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Motor HP | 3/4 hp |
| Keyway Size | 3/16 x 3/32 |
| Media Mapping Style | RF |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Lubrication | None |
| Max. Thrust Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Style | Right Angle |
| Max. Overhung Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Rated Efficiency | 84% |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Box Height | 5 3/4 in |
| Material | Cast Iron, Standard Paint |
| Use With | 718 |
| Torque Out @ 1750 rpm | 590 in lb |
| Fan Cooled | No |
| Center Distance Code | 718 |
| Output Torque @ RPM | 525 in lb @ 1150 rpm, 590 in lb @ 1750 rpm |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Frame | 56C |
| Media Mapping Output | G |
| Output Shaft | Solid |
| Output Configuration | Left Output |
| Reduction Type | Single |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Frame Size | 56C |
| Torque Out @ 1150 rpm | 525 in lb |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output (Shaft or Bore) Size | 7/8 in |
| Input Motor HP | 1 |
| Worm Position | Universal |
| Input Configuration | C-Face Coupled |
| Standard | AGMA Service Class I |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Motor Frame Size | B556C |
| Series | 700 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Output Bore Shaft Dia. | 0.875 in |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Bore Code | B5 |
| Box Length | 5 1/2 in |
| Input HP @ RPM | 0.58 hp @ 1150 rpm, 0.97 hp @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Housing Material | Cast Iron |
| Output Speed | 87.5 rpm |
| Washdown Duty | No |
| Family Name | RF |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Center Distance | 1.75 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Ratio | 20:1 |
| Shaft Assembly Code | G |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Box Width | 5 1/32 in |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Weight | 27.1 LB |
| EAN or UPC | 781711526774 |
