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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
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Material | Cast Iron, Standard Paint |
| Frame | 56C |
| Base to Shaft Center Height w/Std. Base Kit | 5.19 in |
| Use With | 724 |
| Family Name | RF |
| Housing Material | Cast Iron |
| Output Torque | 1233 lb-in |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Output Torque @ RPM | 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm |
| Input Power Rating | 1.95 hp, 1.454 kW |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Motor Frame Size | B556C |
| Base to Shaft Center Height w/High Vert. Base Kit | 5 1/4 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8.94 x 4.88 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 9.19 x 2.88 |
| HP @ RPM | 1.5 hp @ 1800 rpm |
| Bore Code | B5 |
| Max. Overhung Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Box Height | 6 15/16 in |
| Box Length | 6 3/8 in |
| Keyway Size | 3/16 x 3/32 |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Torque Out @ 1750 rpm | 1233 in lb |
| Washdown Duty | No |
| Motor HP | 1 hp |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.38 in |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Ratio | 20:1 |
| Media Mapping Output | J |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Media Mapping Style | RF |
| Motor Application | General Purpose |
| Worm Position | Universal |
| Torque Out @ 1150 rpm | 1160 in lb |
| Fan Cooled | No |
| Bolt Centers w/ Std. Base Kit (in) | 7 1/16 x 4 7/8 |
| Frame Size | 56C |
| Input Motor HP | 2 |
| Max. Input HP @ 100 rpm | 0.17 hp |
| Base to Centerline of Output Shaft | 2 1/2 in |
| Rated Efficiency | 88% |
| Input HP @ RPM | 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm |
| Output Speed | 87.5 rpm |
| Output Configuration | Right Output |
| Center Distance Code | 724 |
| Max. Overhung Load @ 1750 rpm | 900 lb/in |
| Style | Right Angle |
| Input Configuration | C-Face Coupled |
| Input (Shaft or Bore) Size | 5/8 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.06 in |
| Output Bore Shaft Dia. | 1.125 in |
| Base to Centerline of Input Shaft | 4 7/8 in |
| Base Mounting Attachment | No Base |
| Shaft Assembly Code | J |
| Standard | AGMA Service Class I |
| Output Shaft | Solid |
| Bolt Center | 5 in x 2 7/8 in |
| Center Distance | 2.375 in |
| Box Width | 5 7/16 in |
| Reduction Type | Single |
| Series | 700 |
| Lubrication | None |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Weight | 41.1 LB |
| EAN or UPC | 781711527337 |
