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Boston Gear
RF724-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101855260
- 2 Input Motor hp
- 700 Series
- 2.38 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 Input Shaft | 4 7/8 in |
| Output Shaft | Solid |
| Frame Size | 56C |
| Max. Overhung Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Series | 700 |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Media Mapping Output | J |
| Rated Efficiency | 88% |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Bolt Centers w/ Std. Base Kit (in) | 7 1/16 x 4 7/8 |
| Use With | 724 |
| Bore Code | B5 |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 9.19 x 2.88 |
| Input Power Rating | 1.95 hp, 1.454 kW |
| Base to Shaft Center Height w/High Vert. Base Kit | 5 1/4 in |
| Standard | AGMA Service Class I |
| Center Distance | 2.375 in |
| Base to Centerline of Output Shaft | 2 1/2 in |
| Box Height | 6 15/16 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Max. Input HP @ 100 rpm | 0.17 hp |
| Torque Out @ 1750 rpm | 1233 in lb |
| Lubrication | None |
| Style | Right Angle |
| Box Width | 5 7/16 in |
| Media Mapping Style | RF |
| Worm Position | Universal |
| Output Torque | 1233 lb-in |
| Input Configuration | C-Face Coupled |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Fan Cooled | No |
| Reduction Type | Single |
| Housing Material | Cast Iron |
| Ratio | 20:1 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.38 in |
| Box Length | 6 3/8 in |
| Family Name | RF |
| Frame | 56C |
| Output Torque @ RPM | 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm |
| Motor Frame Size | B556C |
| Bolt Centers w/ Vertical Base Kits (in) | 8.94 x 4.88 |
| Keyway Size | 3/16 x 3/32 |
| Shaft Assembly Code | J |
| Bolt Center | 5 in x 2 7/8 in |
| Output Speed | 87.5 rpm |
| Torque Out @ 1150 rpm | 1160 in lb |
| Center Distance Code | 724 |
| Washdown Duty | No |
| Output Configuration | Right Output |
| Input Motor HP | 2 |
| Input HP @ RPM | 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm |
| Material | Cast Iron, Standard Paint |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Motor HP | 1 hp |
| Motor Application | General Purpose |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| HP @ RPM | 1.5 hp @ 1800 rpm |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.06 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Shaft Center Height w/Std. Base Kit | 5.19 in |
| Base Mounting Attachment | No Base |
| Output Bore Shaft Dia. | 1.125 in |
| Max. Overhung Load @ 1750 rpm | 900 lb/in |
| Weight | 41.1 LB |
| EAN or UPC | 781711527337 |
