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