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Boston Gear
RFWA721-400-B5-G
700 Series 400:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101877745
- Double Reduction
- 400:1 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
- Do not run Worm Gear units over 200 °F.
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base to Centerline of Input Shaft | 3 3/8 in |
| Output Speed | 4.4 rpm |
| Fan Cooled | No |
| HP @ RPM | 0.25 hp @ 1800 rpm |
| Family Name | RFWA |
| Media Mapping Output | G |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Standard | AGMA Service Class I |
| Media Mapping Style | RFWA |
| Output Shaft | Solid |
| Input (Shaft or Bore) Size | 5/8 in |
| Frame | 56C |
| Output Bore Shaft Dia. | 1 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Bolt Center | 5 in x 2 7/8 in |
| Input Power Rating | 0.17 hp, 0.127 kW |
| Motor Application | General Purpose |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Housing Material | Cast Iron |
| Ratio | 400:1 |
| Frame Size | 56C |
| Output Torque | 1025 lb-in |
| Motor Frame Size | B556C |
| Keyway Size | 3/16 x 3/32 |
| Shaft Assembly Code | G |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Input Configuration | C-Face Coupled |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance Code | 721 |
| Bore Code | B5 |
| Reduction Type | Double |
| Style | Parallel Shaft |
| Torque Out @ 1750 rpm | 1025 in lb |
| Output RPM @ 1750 rpm Input | 4.38 rpm |
| Box Width | 9 55/64 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Material | Cast Iron, Standard Paint |
| Base to Centerline of Output Shaft | 4 3/32 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Motor HP | 0.17 hp |
| Box Height | 6 25/64 in |
| Output Configuration | Left Output |
| Box Length | 5 13/64 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Lubrication | None |
| Output (Shaft or Bore) Size | 1 in |
| Base Mounting Attachment | No Base |
| Input Motor HP | 0.17 |
| Rated Efficiency | 42% |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Torque Out @ 1150 rpm | N/A |
| Worm Position | Universal¦Parallel |
| Center Distance | 2.06 in |
| Washdown Duty | No |
| Weight | 47.1 LB |
| EAN or UPC | 781711530351 |
