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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
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Style | Right Angle |
| Shaft Assembly Code | J |
| Max. Overhung Load @ 1750 rpm | 150 lb/in |
| Input (Shaft or Bore) Size | 1/2 in |
| Max. Thrust Load @ 1150 rpm | 200 lb/in |
| Media Mapping Style | RF |
| Torque Out @ 1750 rpm | 149 in lb |
| Output Bore Shaft Dia. | 0.5 in |
| Motor HP | 1/4 hp |
| Use With | 710 |
| Output Speed | 87.5 rpm |
| Input Power Rating | 0.27 hp, 0.201 kW |
| Family Name | RF |
| Material | Cast Iron, Standard Paint |
| Base to Centerline of Input Shaft | 2 5/16 in |
| Bore Code | B4 |
| Frame Size | 42CZ |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Frame | 42CZ |
| Base to Centerline of Output Shaft | 1 5/16 in |
| Bolt Center Length x Bolt Center Width | 2 5/8 in x 1 11/16 in |
| Fan Cooled | No |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Std. Base Kit | 2 3/4 in |
| Max. Thrust Load @ RPM | 200 lb/in @ 1150 rpm, 200 lb/in @ 1750 rpm |
| Output Configuration | Right Output |
| Series | 700 |
| Output Torque | 149 lb-in |
| Center Distance Code | 710 |
| Center Distance | 1 in |
| Input Configuration | C-Face Coupled |
| Reduction Type | Single |
| Torque Out @ 1150 rpm | 129 in lb |
| Ratio | 20:1 |
| Max. Overhung Load @ RPM | 150 lb/in @ 1150 rpm, 150 lb/in @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Media Mapping Output | J |
| Bolt Center | 2 5/8" x 1 11/16" |
| Input Motor HP | 0.25 |
| Input HP @ RPM | 0.14 hp @ 1150 rpm, 0.27 hp @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 3 3/4 x 2 7/8 |
| Motor Frame Size | B442CZ |
| Worm Position | Universal |
| HP @ RPM | 0.125 hp @ 1200 rpm, 0.1666667 hp @ 1800 rpm |
| Rated Efficiency | 77% |
| Lubrication | None |
| Motor Application | General Purpose |
| Washdown Duty | No |
| Output Torque Rating Range [Max] | 299 lb-in, 34 Nm |
| Housing Material | Cast Iron |
| Bolt Centers w/ Vertical Base Kits (in) | 5.13 x 2.31 |
| Box Height | 3 5/8 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 2.94 in |
| Box Width | 3 11/32 in |
| Standard | AGMA Service Class I |
| Output Torque Rating Range [Min] | 100 lb-in, 10 Nm |
| Max. Input HP @ 100 rpm | 0.017 hp |
| Keyway Size | 1/8 x 1/16 |
| Output Torque @ RPM | 129 in lb @ 1150 rpm, 149 in lb @ 1750 rpm |
| Box Length | 3 1/4 in |
| Output (Shaft or Bore) Size | 1/2 in |
| Weight | 8.1 LB |
| EAN or UPC | 781711526101 |
