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Boston Gear
RF732-20F-B7-H
700 Series 20:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101871693
- 3 Input Motor hp
- 700 Series
- 3.25 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
| Ratio | 20:1 |
| Bolt Centers w/ Std. Base Kit (in) | 9 1/2 x 6 1/8 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Washdown Duty | No |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Fan Cooled | Yes |
| Output Torque | 2858 lb-in |
| Max. Overhung Load @ 1750 rpm | 1300 lb/in |
| Input Power Rating | 4.63 hp, 3.453 kW |
| Base to Shaft Center Height w/Low Vert. Base Kit | 4.69 in |
| Max. Input HP @ 100 rpm | 0.41 hp |
| Output Speed | 87.5 rpm |
| Input (Shaft or Bore) Size | 7/8 in |
| Bolt Centers w/ Vertical Base Kits (in) | 11.88 x 6.13 |
| Motor HP | 2 hp |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Bore Shaft Dia. | 1.375 in |
| Use With | 732 |
| Box Length | 9 in |
| Max. Thrust Load @ RPM | 1100 lb/in @ 1150 rpm, 1100 lb/in @ 1750 rpm |
| Family Name | RF |
| Input Motor HP | 3 |
| Bolt Center | 7 1/2 in x 4 in |
| Base to Shaft Center Height w/Std. Base Kit | 6 3/4 in |
| Motor Application | General Purpose |
| Media Mapping Style | RF |
| Frame | 140TC, 180C |
| Box Width | 7 9/16 in |
| Output (Shaft or Bore) Size | 1 3/8 in |
| Rated Efficiency | 86% |
| Series | 700 |
| Bore Code | B7 |
| Media Mapping Output | H |
| Style | Right Angle |
| Max. Overhung Load @ RPM | 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm |
| Box Height | 9 3/8 in |
| Output Shaft | Solid |
| Standard | AGMA Service Class II |
| HP @ RPM | 3 hp @ 1800 rpm |
| Shaft Assembly Code | H |
| Housing Material | Cast Iron |
| Motor Frame Size | B7140TC180C |
| Output Configuration | Left & Right Output |
| Base to Shaft Center Height w/High Vert. Base Kit | 6 1/4 in |
| Center Distance Code | 732 |
| Frame Size | 140TC, 180C |
| Worm Position | Universal |
| Input HP @ RPM | 3.2 hp @ 1150 rpm, 4.63 hp @ 1750 rpm |
| Reduction Type | Single |
| Keyway Size | 3/16 x 3/32 |
| Output Torque Rating Range [Min] | 2500 lb-in, 310 Nm |
| Lubrication | None |
| Base to Centerline of Input Shaft | 6 3/4 in |
| Installed Options | Fan |
| Base Mounting Attachment | No Base |
| Center Distance | 3.25 in |
| Input Configuration | C-Face Coupled |
| Base to Centerline of Output Shaft | 3 1/2 in |
| Torque Out @ 1750 rpm | 2558 in lb |
| Material | Cast Iron, Standard Paint |
| Max. Thrust Load @ 1150 rpm | 1100 lb/in |
| Output Torque @ RPM | 2558 in lb @ 1750 rpm, 3000 in lb @ 1150 rpm |
| Torque Out @ 1150 rpm | 3000 in lb |
| Output Torque Rating Range [Max] | 3499 lb-in, 399 Nm |
| Weight | 77.1 LB |
| EAN or UPC | 781711534465 |
