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
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Torque Out @ 1150 rpm | N/A |
| Media Mapping Output | G |
| Frame Size | 56C |
| Motor Frame Size | B556C |
| Base Mounting Attachment | No Base |
| Lubrication | None |
| Output Bore Shaft Dia. | 0.875 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Speed | 5.8 rpm |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Box Height | 5 3/4 in |
| Housing Material | Cast Iron |
| Torque Out @ 1750 rpm | 690 in lb |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Output Torque | 690 lb-in |
| Material | Cast Iron, Standard Paint |
| Style | Parallel Shaft |
| Ratio | 300:1 |
| Rated Efficiency | 39% |
| Family Name | RFWA |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Box Length | 5 1/16 in |
| Media Mapping Style | RFWA |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output RPM @ 1750 rpm Input | 5.8 rpm |
| Worm Position | Universal¦Parallel |
| Input Power Rating | 0.16 hp, 0.119 kW |
| Center Distance | 1.75 in |
| Frame | 56C |
| Input Configuration | C-Face Coupled |
| Motor Application | General Purpose |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Bore Code | B5 |
| Reduction Type | Double |
| Output Configuration | Left Output |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| HP @ RPM | 0.1666667 hp @ 1800 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Box Width | 8 7/8 in |
| Shaft Assembly Code | G |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Motor HP | 0.17 hp |
| Washdown Duty | No |
| Base to Centerline of Output Shaft | 3 11/16 in |
| Center Distance Code | 718 |
| Output (Shaft or Bore) Size | 7/8 in |
| Standard | AGMA Service Class I |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Keyway Size | 3/16 x 3/32 |
| Fan Cooled | No |
| Input Motor HP | 0.17 |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Output Shaft | Solid |
| Weight | 34.1 LB |
| EAN or UPC | 781711549698 |
