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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
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Standard | AGMA Service Class I |
| Center Distance | 1.75 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Media Mapping Output | G |
| Output RPM @ 1750 rpm Input | 5.8 rpm |
| Motor HP | 0.17 hp |
| Housing Material | Cast Iron |
| Motor Frame Size | B442CZ |
| Frame | 42CZ |
| Lubrication | None |
| Input Motor HP | 0.17 |
| Input Configuration | C-Face Coupled |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Output Torque | 690 lb-in |
| Material | Cast Iron, Standard Paint |
| Reduction Type | Double |
| Media Mapping Style | RFWA |
| Base to Centerline of Output Shaft | 3 11/16 in |
| Box Height | 5 3/4 in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Torque Out @ 1150 rpm | N/A |
| Keyway Size | 1/8 x 1/16 |
| Motor Application | General Purpose |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Shaft Assembly Code | G |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Speed | 5.8 rpm |
| Output (Shaft or Bore) Size | 7/8 in |
| Ratio | 300:1 |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Family Name | RFWA |
| Input (Shaft or Bore) Size | 1/2 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Bore Code | B4 |
| Frame Size | 42CZ |
| Box Width | 8 7/8 in |
| Input Power Rating | 0.16 hp, 0.119 kW |
| Center Distance Code | 718 |
| Torque Out @ 1750 rpm | 690 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Base Mounting Attachment | No Base |
| Rated Efficiency | 39% |
| Washdown Duty | No |
| Output Bore Shaft Dia. | 0.875 in |
| Box Length | 5 1/16 in |
| Output Shaft | Solid |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Style | Parallel Shaft |
| Output Configuration | Left Output |
| Worm Position | Universal¦Parallel |
| Fan Cooled | No |
| HP @ RPM | 0.1666667 hp @ 1800 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Weight | 34.1 LB |
| EAN or UPC | 781711530269 |
