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