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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
| Output Torque @ RPM | 2558 in lb @ 1750 rpm, 3000 in lb @ 1150 rpm |
| Fan Cooled | Yes |
| Max. Thrust Load @ RPM | 1100 lb/in @ 1150 rpm, 1100 lb/in @ 1750 rpm |
| Installed Options | Fan |
| Box Height | 9 3/8 in |
| Lubrication | None |
| Input (Shaft or Bore) Size | 7/8 in |
| Bore Code | B7 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Max. Overhung Load @ RPM | 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm |
| Style | Right Angle |
| Bolt Center | 7 1/2 in x 4 in |
| Box Width | 7 9/16 in |
| Output Torque | 2858 lb-in |
| Media Mapping Output | H |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Center Distance Code | 732 |
| Box Length | 9 in |
| Max. Thrust Load @ 1150 rpm | 1100 lb/in |
| Worm Position | Universal |
| Base Mounting Attachment | No Base |
| Shaft Assembly Code | H |
| Base to Shaft Center Height w/High Vert. Base Kit | 6 1/4 in |
| Motor HP | 2 hp |
| Base to Centerline of Output Shaft | 3 1/2 in |
| Washdown Duty | No |
| Material | Cast Iron, Standard Paint |
| Series | 700 |
| Rated Efficiency | 86% |
| Frame | 140TC, 180C |
| Torque Out @ 1150 rpm | 3000 in lb |
| Motor Frame Size | B7140TC180C |
| Use With | 732 |
| Bolt Centers w/ Std. Base Kit (in) | 9 1/2 x 6 1/8 |
| Standard | AGMA Service Class II |
| Output (Shaft or Bore) Size | 1 3/8 in |
| Frame Size | 140TC, 180C |
| Reduction Type | Single |
| Housing Material | Cast Iron |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| HP @ RPM | 3 hp @ 1800 rpm |
| Base to Centerline of Input Shaft | 6 3/4 in |
| Center Distance | 3.25 in |
| Media Mapping Style | RF |
| Input Motor HP | 3 |
| Output Torque Rating Range [Max] | 3499 lb-in, 399 Nm |
| Output Shaft | Solid |
| Ratio | 20:1 |
| Max. Overhung Load @ 1750 rpm | 1300 lb/in |
| Output Torque Rating Range [Min] | 2500 lb-in, 310 Nm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 4.69 in |
| Torque Out @ 1750 rpm | 2558 in lb |
| Motor Application | General Purpose |
| Bolt Centers w/ Vertical Base Kits (in) | 11.88 x 6.13 |
| Input Power Rating | 4.63 hp, 3.453 kW |
| Base to Shaft Center Height w/Std. Base Kit | 6 3/4 in |
| Output Speed | 87.5 rpm |
| Output Bore Shaft Dia. | 1.375 in |
| Input Configuration | C-Face Coupled |
| Family Name | RF |
| Keyway Size | 3/16 x 3/32 |
| Output Configuration | Left & Right Output |
| Input HP @ RPM | 3.2 hp @ 1150 rpm, 4.63 hp @ 1750 rpm |
| Max. Input HP @ 100 rpm | 0.41 hp |
| Weight | 77.1 LB |
| EAN or UPC | 781711534465 |
