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