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Boston Gear
RF726-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101872199
- 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
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Reduction Type | Single |
| Bolt Center | 6 3/8 in x 3 3/8 in |
| Shaft Assembly Code | J |
| Box Width | 5 29/32 in |
| Style | Right Angle |
| Bore Code | B5 |
| Input Motor HP | 2 |
| Material | Cast Iron, Standard Paint |
| Torque Out @ 1150 rpm | 1500 in lb |
| Max. Input HP @ 100 rpm | 0.2 hp |
| Family Name | RF |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Torque Rating Range [Max] | 1499 lb-in, 234 Nm |
| Center Distance Code | 726 |
| Max. Overhung Load @ RPM | 1000 lb/in @ 1150 rpm, 1000 lb/in @ 1750 rpm |
| Motor Application | General Purpose |
| HP @ RPM | 2 hp @ 1800 rpm |
| Worm Position | Universal |
| Output Speed | 87.5 rpm |
| Output Torque Rating Range [Min] | 1000 lb-in, 160 Nm |
| Output Configuration | Right Output |
| Box Length | 7 3/8 in |
| Use With | 726 |
| Box Height | 8 in |
| Max. Overhung Load @ 1750 rpm | 1000 lb/in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.75 in |
| Housing Material | Cast Iron |
| Frame | 56C |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Output Shaft | Solid |
| Input Configuration | C-Face Coupled |
| Motor Frame Size | B556C |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Bolt Centers w/ Std. Base Kit (in) | 8 x 5 1/4 |
| Rated Efficiency | 88% |
| Washdown Duty | No |
| Ratio | 20:1 |
| Media Mapping Output | J |
| Output Bore Shaft Dia. | 1.125 in |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Base Mounting Attachment | No Base |
| Lubrication | None |
| Input (Shaft or Bore) Size | 5/8 in |
| Motor HP | 1 hp |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Frame Size | 56C |
| Bolt Centers w/ Vertical Base Kits (in) | 10.13 x 5.75 |
| Base to Centerline of Input Shaft | 5 9/16 in |
| Output Torque @ RPM | 1483 in lb @ 1750 rpm, 1500 in lb @ 1150 rpm |
| Keyway Size | 3/16 x 3/32 |
| Center Distance | 2.625 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 5.59 in |
| Torque Out @ 1750 rpm | 1483 in lb |
| Output Torque | 1483 lb-in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.63 in |
| Base to Centerline of Output Shaft | 2 15/16 in |
| Input HP @ RPM | 1.63 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Media Mapping Style | RF |
| Standard | AGMA Service Class I |
| Fan Cooled | No |
| Base to Shaft Center Height w/Std. Base Kit | 5.81 in |
| Series | 700 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 10.38 x 3.13 |
| Weight | 53.1 LB |
| EAN or UPC | 781711528945 |
