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Boston Gear
RF710-20-B4-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870735
- 0.25 Input Motor hp
- 700 Series
- 1 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
- 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
| Torque Out @ 1150 rpm | 129 in lb |
| Max. Thrust Load @ RPM | 200 lb/in @ 1150 rpm, 200 lb/in @ 1750 rpm |
| Bolt Center Length x Bolt Center Width | 2 5/8 in x 1 11/16 in |
| Worm Position | Universal |
| Output Bore Shaft Dia. | 0.5 in |
| Output (Shaft or Bore) Size | 1/2 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 2.94 in |
| Base to Shaft Center Height w/Std. Base Kit | 2 3/4 in |
| Fan Cooled | No |
| Center Distance Code | 710 |
| Keyway Size | 1/8 x 1/16 |
| Family Name | RF |
| Torque Out @ 1750 rpm | 149 in lb |
| Input Configuration | C-Face Coupled |
| Motor Application | General Purpose |
| Bolt Center | 2 5/8" x 1 11/16" |
| Frame | 42CZ |
| Output Torque | 149 lb-in |
| Base to Centerline of Input Shaft | 2 5/16 in |
| HP @ RPM | 0.125 hp @ 1200 rpm, 0.1666667 hp @ 1800 rpm |
| Output Speed | 87.5 rpm |
| Material | Cast Iron, Standard Paint |
| Base to Centerline of Output Shaft | 1 5/16 in |
| Motor HP | 1/4 hp |
| Style | Right Angle |
| Housing Material | Cast Iron |
| Media Mapping Output | J |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Center Distance | 1 in |
| Media Mapping Style | RF |
| Ratio | 20:1 |
| Box Height | 3 5/8 in |
| Base Mounting Attachment | No Base |
| Output Shaft | Solid |
| Output Configuration | Right Output |
| Input HP @ RPM | 0.14 hp @ 1150 rpm, 0.27 hp @ 1750 rpm |
| Output Torque @ RPM | 129 in lb @ 1150 rpm, 149 in lb @ 1750 rpm |
| Max. Overhung Load @ RPM | 150 lb/in @ 1150 rpm, 150 lb/in @ 1750 rpm |
| Frame Size | 42CZ |
| Output Torque Rating Range [Min] | 100 lb-in, 10 Nm |
| Max. Overhung Load @ 1750 rpm | 150 lb/in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Input Power Rating | 0.27 hp, 0.201 kW |
| Shaft Assembly Code | J |
| Box Width | 3 11/32 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 3 3/4 x 2 7/8 |
| Motor Frame Size | B442CZ |
| Max. Thrust Load @ 1150 rpm | 200 lb/in |
| Series | 700 |
| Bolt Centers w/ Vertical Base Kits (in) | 5.13 x 2.31 |
| Input Motor HP | 0.25 |
| Standard | AGMA Service Class I |
| Bore Code | B4 |
| Reduction Type | Single |
| Input (Shaft or Bore) Size | 1/2 in |
| Box Length | 3 1/4 in |
| Washdown Duty | No |
| Output Torque Rating Range [Max] | 299 lb-in, 34 Nm |
| Use With | 710 |
| Rated Efficiency | 77% |
| Max. Input HP @ 100 rpm | 0.017 hp |
| Lubrication | None |
| Weight | 8.1 LB |
| EAN or UPC | 781711526101 |
