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/High Vert. Base Kit | 4.38 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Output RPM @ 1750 rpm Input | 1.94 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Rated Efficiency | 27% |
| Frame Size | 56C |
| Center Distance | 1.75 in |
| Box Width | 8 7/8 in |
| Housing Material | Cast Iron |
| Shaft Assembly Code | G |
| Base Mounting Attachment | No Base |
| Center Distance Code | 718 |
| Base to Centerline of Output Shaft | 3 11/16 in |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Box Height | 5 3/4 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Media Mapping Output | G |
| Ratio | 900:1 |
| Worm Position | Universal¦Parallel |
| Lubrication | None |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Family Name | RFWA |
| Box Length | 5 1/16 in |
| Input Motor HP | 0.17 |
| Output (Shaft or Bore) Size | 7/8 in |
| Standard | AGMA Service Class I |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Motor HP | 0.17 hp |
| Output Torque | 710 lb-in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.5 in |
| Torque Out @ 1150 rpm | N/A |
| Motor Frame Size | B556C |
| Material | Cast Iron, Standard Paint |
| Fan Cooled | No |
| Output Speed | 1.9 rpm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Media Mapping Style | RFWA |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Keyway Size | 3/16 x 3/32 |
| Input Power Rating | 0.079 hp, 0.059 kW |
| Output Configuration | Left Output |
| Style | Parallel Shaft |
| Input Configuration | C-Face Coupled |
| Base to Centerline of Input Shaft | 2 15/16 in |
| Motor Application | General Purpose |
| HP @ RPM | 0.08333333 hp @ 1800 rpm |
| Frame | 56C |
| Output Shaft | Solid |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Output Bore Shaft Dia. | 0.875 in |
| Reduction Type | Double |
| Washdown Duty | No |
| Torque Out @ 1750 rpm | 710 in lb |
| Bore Code | B5 |
| Weight | 34.1 LB |
| EAN or UPC | 781711549728 |
