Find a Service Center
Boston Gear
RFWA718-300-B4-G
700 Series 300:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101870228
- 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
| Housing Material | Cast Iron |
| Box Length | 5 1/16 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Fan Cooled | No |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Motor Application | General Purpose |
| Style | Parallel Shaft |
| Family Name | RFWA |
| Base Mounting Attachment | No Base |
| Output Torque | 690 lb-in |
| Torque Out @ 1750 rpm | 690 in lb |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Shaft Assembly Code | G |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Output RPM @ 1750 rpm Input | 5.8 rpm |
| Rated Efficiency | 39% |
| Input Power Rating | 0.16 hp, 0.119 kW |
| Worm Position | Universal¦Parallel |
| Media Mapping Style | RFWA |
| Keyway Size | 1/8 x 1/16 |
| Input (Shaft or Bore) Size | 1/2 in |
| Center Distance | 1.75 in |
| Box Width | 8 7/8 in |
| Input Configuration | C-Face Coupled |
| Bore Code | B4 |
| Output Speed | 5.8 rpm |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Material | Cast Iron, Standard Paint |
| Media Mapping Output | G |
| Output Shaft | Solid |
| Standard | AGMA Service Class I |
| Lubrication | None |
| Output Bore Shaft Dia. | 0.875 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Motor Frame Size | B442CZ |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Base to Centerline of Output Shaft | 3 11/16 in |
| HP @ RPM | 0.1666667 hp @ 1800 rpm |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Configuration | Left Output |
| Motor HP | 0.17 hp |
| Frame | 42CZ |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Output (Shaft or Bore) Size | 7/8 in |
| Reduction Type | Double |
| Input Motor HP | 0.17 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Box Height | 5 3/4 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Frame Size | 42CZ |
| Ratio | 300:1 |
| Center Distance Code | 718 |
| Washdown Duty | No |
| Torque Out @ 1150 rpm | N/A |
| Weight | 34.1 LB |
| EAN or UPC | 781711530269 |
