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