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Boston Gear
RF724-20-B7-H
700 Series 20:1 Ratio H Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870968
- 2 Input Motor hp
- 700 Series
- 2.38 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
| Washdown Duty | No |
| Frame | 140TC, 180C |
| Output Configuration | Left & Right Output |
| Input Configuration | C-Face Coupled |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 9.19 x 2.88 |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Housing Material | Cast Iron |
| Max. Input HP @ 100 rpm | 0.17 hp |
| Use With | 724 |
| Series | 700 |
| Input Power Rating | 1.95 hp, 1.454 kW |
| Base to Shaft Center Height w/Std. Base Kit | 5.19 in |
| Torque Out @ 1750 rpm | 1233 in lb |
| Max. Overhung Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Style | Right Angle |
| Output Torque @ RPM | 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm |
| Worm Position | Universal |
| Shaft Assembly Code | H |
| Base Mounting Attachment | No Base |
| Input Motor HP | 2 |
| Center Distance | 2.375 in |
| HP @ RPM | 1.5 hp @ 1800 rpm |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Output Bore Shaft Dia. | 1.125 in |
| Lubrication | None |
| Torque Out @ 1150 rpm | 1160 in lb |
| Bore Code | B7 |
| Standard | AGMA Service Class I |
| Material | Cast Iron, Standard Paint |
| Media Mapping Style | RF |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.38 in |
| Motor HP | 1.5 hp |
| Center Distance Code | 724 |
| Frame Size | 140TC, 180C |
| Base to Shaft Center Height w/High Vert. Base Kit | 5 1/4 in |
| Rated Efficiency | 88% |
| Box Width | 5 7/16 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8.94 x 4.88 |
| Motor Frame Size | B7140TC180C |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Family Name | RF |
| Input (Shaft or Bore) Size | 7/8 in |
| Max. Overhung Load @ 1750 rpm | 900 lb/in |
| Motor Application | General Purpose |
| Input HP @ RPM | 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.06 in |
| Ratio | 20:1 |
| Base to Centerline of Output Shaft | 2 1/2 in |
| Output Torque | 1233 lb-in |
| Output Speed | 87.5 rpm |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Fan Cooled | No |
| Bolt Center | 5 in x 2 7/8 in |
| Base to Centerline of Input Shaft | 4 7/8 in |
| Box Length | 6 3/8 in |
| Box Height | 6 15/16 in |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Bolt Centers w/ Std. Base Kit (in) | 7 1/16 x 4 7/8 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Keyway Size | 3/16 x 3/32 |
| Output Shaft | Solid |
| Media Mapping Output | H |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Reduction Type | Single |
| Weight | 41.1 LB |
| EAN or UPC | 781711528839 |
