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Boston Gear
RFWA718-900-B5-G
700 Series 900:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101871708
- Double Reduction
- 900:1 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/Std. Base Kit | 4.38 in |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Bore Code | B5 |
| Input (Shaft or Bore) Size | 5/8 in |
| Center Distance | 1.75 in |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Rated Efficiency | 27% |
| Output Speed | 1.9 rpm |
| HP @ RPM | 0.08333333 hp @ 1800 rpm |
| Output Torque | 710 lb-in |
| Media Mapping Output | G |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Output (Shaft or Bore) Size | 7/8 in |
| Lubrication | None |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Input Configuration | C-Face Coupled |
| Standard | AGMA Service Class I |
| Frame | 56C |
| Box Width | 8 7/8 in |
| Washdown Duty | No |
| Base to Centerline of Output Shaft | 3 11/16 in |
| Keyway Size | 3/16 x 3/32 |
| Torque Out @ 1150 rpm | N/A |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Output RPM @ 1750 rpm Input | 1.94 rpm |
| Output Shaft | Solid |
| Box Length | 5 1/16 in |
| Reduction Type | Double |
| Input Power Rating | 0.079 hp, 0.059 kW |
| Center Distance Code | 718 |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Box Height | 5 3/4 in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Motor Frame Size | B556C |
| Ratio | 900:1 |
| Motor Application | General Purpose |
| Style | Parallel Shaft |
| Input Motor HP | 0.17 |
| Output Configuration | Left Output |
| Motor HP | 0.17 hp |
| Housing Material | Cast Iron |
| Base Mounting Attachment | No Base |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Material | Cast Iron, Standard Paint |
| Torque Out @ 1750 rpm | 710 in lb |
| Fan Cooled | No |
| Family Name | RFWA |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Frame Size | 56C |
| Output Bore Shaft Dia. | 0.875 in |
| Shaft Assembly Code | G |
| Media Mapping Style | RFWA |
| Worm Position | Universal¦Parallel |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Weight | 34.1 LB |
| EAN or UPC | 781711549728 |
