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Boston Gear
RFWA721-200-B5-G
700 Series 200:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101872293
- Double Reduction
- 200:1 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
| Output Configuration | Left Output |
| Motor Application | General Purpose |
| Output Shaft | Solid |
| Motor Frame Size | B556C |
| Worm Position | Universal¦Parallel |
| Material | Cast Iron, Standard Paint |
| Media Mapping Style | RFWA |
| Washdown Duty | No |
| Fan Cooled | No |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Shaft Assembly Code | G |
| Box Width | 9 55/64 in |
| Reduction Type | Double |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Input Power Rating | 0.25 hp, 0.186 kW |
| Lubrication | None |
| Bore Code | B5 |
| Frame | 56C |
| Motor HP | 0.25 hp |
| Center Distance | 2.06 in |
| Output (Shaft or Bore) Size | 1 in |
| Output RPM @ 1750 rpm Input | 8.75 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Torque Out @ 1750 rpm | 990 in lb |
| Base to Centerline of Input Shaft | 3 3/8 in |
| Output Torque Rating Range [Max] | 999 lb-in, 159 Nm |
| Housing Material | Cast Iron |
| Box Height | 6 25/64 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Box Length | 5 13/64 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Input Configuration | C-Face Coupled |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Output Bore Shaft Dia. | 1 in |
| Torque Out @ 1150 rpm | N/A |
| Standard | AGMA Service Class I |
| Output Torque | 990 lb-in |
| Base to Centerline of Output Shaft | 4 3/32 in |
| Output Torque Rating Range [Min] | 750 lb-in, 110 Nm |
| Base Mounting Attachment | No Base |
| Bolt Center | 5 in x 2 7/8 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Family Name | RFWA |
| Keyway Size | 3/16 x 3/32 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance Code | 721 |
| Input Motor HP | 0.25 |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Media Mapping Output | G |
| Ratio | 200:1 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Style | Parallel Shaft |
| Rated Efficiency | 56% |
| Frame Size | 56C |
| Output Speed | 8.8 rpm |
| HP @ RPM | 0.25 hp @ 1800 rpm |
| Weight | 47.1 LB |
| EAN or UPC | 781711530337 |
