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Boston Gear
RF732-20F-B7-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101873254
- 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 Rating Range [Max] | 3499 lb-in, 399 Nm |
| Max. Thrust Load @ 1150 rpm | 1100 lb/in |
| Material | Cast Iron, Standard Paint |
| Box Length | 9 in |
| Base Mounting Attachment | No Base |
| Use With | 732 |
| Base to Centerline of Input Shaft | 6 3/4 in |
| Torque Out @ 1750 rpm | 2558 in lb |
| Box Width | 7 9/16 in |
| Frame Size | 140TC, 180C |
| Output Bore Shaft Dia. | 1.375 in |
| Keyway Size | 3/16 x 3/32 |
| Ratio | 20:1 |
| Housing Material | Cast Iron |
| Worm Position | Universal |
| Media Mapping Output | J |
| Reduction Type | Single |
| Family Name | RF |
| Base to Shaft Center Height w/High Vert. Base Kit | 6 1/4 in |
| Max. Overhung Load @ RPM | 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm |
| Input Configuration | C-Face Coupled |
| Fan Cooled | Yes |
| Rated Efficiency | 86% |
| Motor Frame Size | B7140TC180C |
| Bolt Center | 7 1/2 in x 4 in |
| Lubrication | None |
| Output Speed | 87.5 rpm |
| Torque Out @ 1150 rpm | 3000 in lb |
| Input Motor HP | 3 |
| Max. Input HP @ 100 rpm | 0.41 hp |
| Installed Options | Fan |
| HP @ RPM | 3 hp @ 1800 rpm |
| Center Distance | 3.25 in |
| Input Power Rating | 4.63 hp, 3.453 kW |
| Output Torque Rating Range [Min] | 2500 lb-in, 310 Nm |
| Bolt Centers w/ Vertical Base Kits (in) | 11.88 x 6.13 |
| Output Configuration | Right Output |
| Output Torque | 2858 lb-in |
| Washdown Duty | No |
| Standard | AGMA Service Class II |
| Base to Shaft Center Height w/Std. Base Kit | 6 3/4 in |
| Bore Code | B7 |
| Input (Shaft or Bore) Size | 7/8 in |
| Media Mapping Style | RF |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Motor HP | 2 hp |
| Output Torque @ RPM | 2558 in lb @ 1750 rpm, 3000 in lb @ 1150 rpm |
| Shaft Assembly Code | J |
| Max. Thrust Load @ RPM | 1100 lb/in @ 1150 rpm, 1100 lb/in @ 1750 rpm |
| Center Distance Code | 732 |
| Max. Overhung Load @ 1750 rpm | 1300 lb/in |
| Bolt Centers w/ Std. Base Kit (in) | 9 1/2 x 6 1/8 |
| Input HP @ RPM | 3.2 hp @ 1150 rpm, 4.63 hp @ 1750 rpm |
| Box Height | 9 3/8 in |
| Frame | 140TC, 180C |
| Output (Shaft or Bore) Size | 1 3/8 in |
| Base to Centerline of Output Shaft | 3 1/2 in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 4.69 in |
| Style | Right Angle |
| Motor Application | General Purpose |
| Series | 700 |
| Output Shaft | Solid |
| Weight | 77.1 LB |
| EAN or UPC | 781711534472 |
