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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
| Bolt Center | 5 in x 2 7/8 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Material | Cast Iron, Standard Paint |
| Output (Shaft or Bore) Size | 1 in |
| Frame | 56C |
| Housing Material | Cast Iron |
| Torque Out @ 1750 rpm | 990 in lb |
| Worm Position | Universal¦Parallel |
| Shaft Assembly Code | G |
| Input Power Rating | 0.25 hp, 0.186 kW |
| Bore Code | B5 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Washdown Duty | No |
| Box Length | 5 13/64 in |
| Motor Frame Size | B556C |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Bore Shaft Dia. | 1 in |
| Output RPM @ 1750 rpm Input | 8.75 rpm |
| Lubrication | None |
| Output Speed | 8.8 rpm |
| Input Motor HP | 0.25 |
| Torque Out @ 1150 rpm | N/A |
| Fan Cooled | No |
| Center Distance | 2.06 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Output Torque Rating Range [Max] | 999 lb-in, 159 Nm |
| Box Width | 9 55/64 in |
| Output Torque Rating Range [Min] | 750 lb-in, 110 Nm |
| Base to Centerline of Input Shaft | 3 3/8 in |
| Keyway Size | 3/16 x 3/32 |
| Standard | AGMA Service Class I |
| Box Height | 6 25/64 in |
| Input Configuration | C-Face Coupled |
| Frame Size | 56C |
| Style | Parallel Shaft |
| Media Mapping Style | RFWA |
| Motor Application | General Purpose |
| Family Name | RFWA |
| Motor HP | 0.25 hp |
| Output Shaft | Solid |
| Ratio | 200:1 |
| Reduction Type | Double |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Rated Efficiency | 56% |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base Mounting Attachment | No Base |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base to Centerline of Output Shaft | 4 3/32 in |
| Center Distance Code | 721 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Media Mapping Output | G |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| HP @ RPM | 0.25 hp @ 1800 rpm |
| Output Configuration | Left Output |
| Output Torque | 990 lb-in |
| Weight | 47.1 LB |
| EAN or UPC | 781711530337 |
