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