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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
| Input HP @ RPM | 3.2 hp @ 1150 rpm, 4.63 hp @ 1750 rpm |
| Max. Thrust Load @ RPM | 1100 lb/in @ 1150 rpm, 1100 lb/in @ 1750 rpm |
| Input Power Rating | 4.63 hp, 3.453 kW |
| Family Name | RF |
| Base Mounting Attachment | No Base |
| Material | Cast Iron, Standard Paint |
| Ratio | 20:1 |
| Output Bore Shaft Dia. | 1.375 in |
| Bolt Center | 7 1/2 in x 4 in |
| Installed Options | Fan |
| Fan Cooled | Yes |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Standard | AGMA Service Class II |
| Lubrication | None |
| Reduction Type | Single |
| Max. Overhung Load @ 1750 rpm | 1300 lb/in |
| Keyway Size | 3/16 x 3/32 |
| Shaft Assembly Code | J |
| Bolt Centers w/ Std. Base Kit (in) | 9 1/2 x 6 1/8 |
| Base to Centerline of Output Shaft | 3 1/2 in |
| Box Width | 7 9/16 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 6 1/4 in |
| Output Torque | 2858 lb-in |
| Output Shaft | Solid |
| Bore Code | B7 |
| Center Distance Code | 732 |
| Box Length | 9 in |
| Center Distance | 3.25 in |
| Base to Shaft Center Height w/Std. Base Kit | 6 3/4 in |
| Style | Right Angle |
| Frame | 140TC, 180C |
| Motor Frame Size | B7140TC180C |
| Media Mapping Output | J |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Torque Out @ 1150 rpm | 3000 in lb |
| Input Motor HP | 3 |
| Base to Centerline of Input Shaft | 6 3/4 in |
| Output Torque @ RPM | 2558 in lb @ 1750 rpm, 3000 in lb @ 1150 rpm |
| Input (Shaft or Bore) Size | 7/8 in |
| Rated Efficiency | 86% |
| Bolt Centers w/ Vertical Base Kits (in) | 11.88 x 6.13 |
| HP @ RPM | 3 hp @ 1800 rpm |
| Output Configuration | Right Output |
| Torque Out @ 1750 rpm | 2558 in lb |
| Worm Position | Universal |
| Input Configuration | C-Face Coupled |
| Max. Thrust Load @ 1150 rpm | 1100 lb/in |
| Motor HP | 2 hp |
| Frame Size | 140TC, 180C |
| Output (Shaft or Bore) Size | 1 3/8 in |
| Media Mapping Style | RF |
| Use With | 732 |
| Washdown Duty | No |
| Base to Shaft Center Height w/Low Vert. Base Kit | 4.69 in |
| Max. Input HP @ 100 rpm | 0.41 hp |
| Series | 700 |
| Motor Application | General Purpose |
| Max. Overhung Load @ RPM | 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm |
| Output Speed | 87.5 rpm |
| Box Height | 9 3/8 in |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Min] | 2500 lb-in, 310 Nm |
| Output Torque Rating Range [Max] | 3499 lb-in, 399 Nm |
| Weight | 77.1 LB |
| EAN or UPC | 781711534472 |
