Find a Service Center
Boston Gear
RF718-50-B5-G
700 Series 50:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870562
- 0.33 Input Motor hp
- 700 Series
- 1.75 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 | 573 lb-in |
| Output Bore Shaft Dia. | 0.875 in |
| Lubrication | None |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Style | Right Angle |
| Max. Input HP @ 100 rpm | 0.038 hp |
| Reduction Type | Single |
| Keyway Size | 3/16 x 3/32 |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| HP @ RPM | 0.1666667 hp @ 1200 rpm, 0.3333333 hp @ 1800 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Series | 700 |
| Frame | 56C |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Box Height | 5 3/4 in |
| Ratio | 50:1 |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Input HP @ RPM | 0.24 hp @ 1150 rpm, 0.44 hp @ 1750 rpm |
| Center Distance Code | 718 |
| Base Mounting Attachment | No Base |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Shaft Assembly Code | G |
| Motor Application | General Purpose |
| Media Mapping Style | RF |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Thrust Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Output Speed | 35 rpm |
| Family Name | RF |
| Input Power Rating | 0.44 hp, 0.328 kW |
| Output RPM @ 1750 rpm Input | 35 rpm |
| Worm Position | Universal |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Fan Cooled | No |
| Input Motor HP | 0.33 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Bore Code | B5 |
| Box Length | 5 1/2 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Input Configuration | C-Face Coupled |
| Rated Efficiency | 72% |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Box Width | 5 1/32 in |
| Output Configuration | Left Output |
| Output RPM @ Input RPM | 35 rpm @ 1750 rpm |
| Torque Out @ 1750 rpm | 573 in lb |
| Washdown Duty | No |
| Motor Frame Size | B556C |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Housing Material | Cast Iron |
| Torque Out @ 1150 rpm | 470 in lb |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Center Distance | 1.75 in |
| Motor HP | 0.3333 hp |
| Frame Size | 56C |
| Max. Overhung Load @ RPM | 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm |
| Output (Shaft or Bore) Size | 7/8 in |
| Material | Cast Iron, Standard Paint |
| Output Torque @ RPM | 470 in lb @ 1150 rpm, 573 in lb @ 1750 rpm |
| Media Mapping Output | G |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Standard | AGMA Service Class II |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Use With | 718 |
| Weight | 27.1 LB |
| EAN or UPC | 781711526897 |
