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