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Boston Gear
RF726-20-B7-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101901686
- 2 Input Motor hp
- 700 Series
- 2.62 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 |
| Max. Overhung Load @ RPM | 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm |
| Base to Centerline of Input Shaft | 5.5625 in |
| Torque Out @ 1150 rpm | 1500 in lb |
| Bolt Centers w/ Std. Base Kit (in) | 8 x 5 1/4 |
| Standard | AGMA Service Class I |
| Bolt Centers w/ Vertical Base Kits (in) | 10.13 x 5.75 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Torque @ RPM | 1483 in lb @ 1750 rpm, 1500 in lb @ 1150 rpm |
| Box Width | 5 29/32 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 10.38 x 3.13 |
| Output Torque Rating Range [Min] | 1000 lb-in, 160 Nm |
| Bore Code | B7 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.75 in |
| Input HP @ RPM | 1.63 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Box Length | 7 3/8 in |
| Base Mounting Attachment | No Base |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Input (Shaft or Bore) Size | 7/8 in |
| Output Torque Rating Range [Max] | 1499 lb-in, 234 Nm |
| Output Torque | 1483 lb-in |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Max. Input HP @ 100 rpm | 0.2 hp |
| Frame | 140TC, 180C |
| Input Motor HP | 2 |
| Center Distance Code | 726 |
| Bolt Center | 6 3/8 in x 3 3/8 in |
| Output Speed | 87.5 rpm |
| Material | Cast Iron, Standard Paint |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Keyway Size | 3/16 x 3/32 |
| Max. Overhung Load @ 1750 rpm | 1000 lb/in |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Media Mapping Style | RF |
| Motor HP | 2 hp |
| Output Shaft | Solid |
| Box Height | 8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 5.59 in |
| Torque Out @ 1750 rpm | 1483 in lb |
| Input Configuration | C-Face Coupled |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Base to Centerline of Output Shaft | 2.9375 in |
| Output Bore Shaft Dia. | 1.125 in |
| Frame Size | 140TC, 180C |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Series | 700 |
| Worm Position | Universal |
| Lubrication | None |
| Style | Right Angle |
| Use With | 726 |
| Motor Frame Size | B7140TC180C |
| Washdown Duty | No |
| Center Distance | 2.625 in |
| Family Name | RF |
| Base to Shaft Center Height w/Std. Base Kit | 5.81 in |
| Media Mapping Output | J |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.63 in |
| Motor Application | General Purpose |
| Output Configuration | Right Output |
| Shaft Assembly Code | J |
| Reduction Type | Single |
| Housing Material | Cast Iron |
| Rated Efficiency | 88% |
| Fan Cooled | No |
| HP @ RPM | 2 hp @ 1800 rpm |
| Weight | 53.1 LB |
| EAN or UPC | 781711527603 |
