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