Find a Service Center
Boston Gear
RFWA718-300-B5-G
700 Series 300:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101916510
- Double Reduction
- 300:1 Ratio
- G Assembly
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
| Frame Size | 56C |
| Style | Parallel Shaft |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Frame | 56C |
| Center Distance Code | 718 |
| Input Motor HP | 0.17 |
| Bore Code | B5 |
| HP @ RPM | 0.1666667 hp @ 1800 rpm |
| Input Configuration | C-Face Coupled |
| Motor Frame Size | B556C |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Base to Centerline of Output Shaft | 3 11/16 in |
| Family Name | RFWA |
| Output (Shaft or Bore) Size | 7/8 in |
| Output Torque | 690 lb-in |
| Torque Out @ 1750 rpm | 690 in lb |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Output Bore Shaft Dia. | 0.875 in |
| Reduction Type | Double |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Output Speed | 5.8 rpm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Torque Out @ 1150 rpm | N/A |
| Ratio | 300:1 |
| Output Configuration | Left Output |
| Media Mapping Style | RFWA |
| Box Length | 5 1/16 in |
| Box Width | 8 7/8 in |
| Output RPM @ 1750 rpm Input | 5.8 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Lubrication | None |
| Input (Shaft or Bore) Size | 5/8 in |
| Fan Cooled | No |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Base Mounting Attachment | No Base |
| Input Power Rating | 0.16 hp, 0.119 kW |
| Shaft Assembly Code | G |
| Output Shaft | Solid |
| Worm Position | Universal¦Parallel |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Material | Cast Iron, Standard Paint |
| Center Distance | 1.75 in |
| Box Height | 5 3/4 in |
| Motor Application | General Purpose |
| Rated Efficiency | 39% |
| Media Mapping Output | G |
| Keyway Size | 3/16 x 3/32 |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Motor HP | 0.17 hp |
| Washdown Duty | No |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Standard | AGMA Service Class I |
| Weight | 34.1 LB |
| EAN or UPC | 781711549698 |
