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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
| Base to Centerline of Input Shaft | 5.5625 in |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Washdown Duty | No |
| Housing Material | Cast Iron |
| Frame Size | 140TC, 180C |
| Rated Efficiency | 88% |
| Output Speed | 87.5 rpm |
| Output Bore Shaft Dia. | 1.125 in |
| Torque Out @ 1750 rpm | 1483 in lb |
| Motor HP | 2 hp |
| Box Height | 8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 5.59 in |
| Material | Cast Iron, Standard Paint |
| Bolt Centers w/ Std. Base Kit (in) | 8 x 5 1/4 |
| Bolt Centers w/ Vertical Base Kits (in) | 10.13 x 5.75 |
| Motor Application | General Purpose |
| Box Length | 7 3/8 in |
| Output Shaft | Solid |
| Output Torque Rating Range [Max] | 1499 lb-in, 234 Nm |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Base to Centerline of Output Shaft | 2.9375 in |
| Worm Position | Universal |
| Max. Input HP @ 100 rpm | 0.2 hp |
| Media Mapping Output | J |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 10.38 x 3.13 |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Bolt Center | 6 3/8 in x 3 3/8 in |
| Max. Overhung Load @ 1750 rpm | 1000 lb/in |
| Frame | 140TC, 180C |
| Bore Code | B7 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Input Motor HP | 2 |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Reduction Type | Single |
| Output Torque | 1483 lb-in |
| Use With | 726 |
| Style | Right Angle |
| Input Configuration | C-Face Coupled |
| Torque Out @ 1150 rpm | 1500 in lb |
| Input (Shaft or Bore) Size | 7/8 in |
| Media Mapping Style | RF |
| Output Configuration | Right Output |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.63 in |
| Lubrication | None |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Center Distance | 2.625 in |
| Series | 700 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.75 in |
| Standard | AGMA Service Class I |
| Fan Cooled | No |
| Ratio | 20:1 |
| Base to Shaft Center Height w/Std. Base Kit | 5.81 in |
| Family Name | RF |
| Max. Overhung Load @ RPM | 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm |
| Keyway Size | 3/16 x 3/32 |
| Output Torque Rating Range [Min] | 1000 lb-in, 160 Nm |
| Center Distance Code | 726 |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Torque @ RPM | 1483 in lb @ 1750 rpm, 1500 in lb @ 1150 rpm |
| Input HP @ RPM | 1.63 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Box Width | 5 29/32 in |
| Shaft Assembly Code | J |
| HP @ RPM | 2 hp @ 1800 rpm |
| Motor Frame Size | B7140TC180C |
| Weight | 53.1 LB |
| EAN or UPC | 781711527603 |
