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Boston Gear
FWA721-900-B5-G
700 Series 900:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101872267
- 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 Mounting Attachment | No Base |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Base to Centerline of Input Shaft | 3 3/8 in |
| Ratio | 900:1 |
| Center Distance Code | 721 |
| Media Mapping Output | G |
| Center Distance | 2.06 in |
| Input Configuration | C-Face Quilled |
| Output RPM @ 1750 rpm Input | 1.94 rpm |
| Media Mapping Style | FWA |
| Keyway Size | 3/16 x 3/32 |
| Reduction Type | Double |
| Fan Cooled | No |
| Style | Parallel Shaft |
| Washdown Duty | No |
| Bore Code | B5 |
| Output Shaft Projection | Solid Left Output |
| Motor Frame Size | B556C |
| Frame Size | 56C |
| Motor Application | General Purpose |
| Output Torque | 1050 lb-in |
| Rated Efficiency | 29% |
| Bolt Center | 5 in x 2 7/8 in |
| Torque Out @ 1750 rpm | 1050 in lb |
| Base to Centerline of Output Shaft | 4 3/32 in |
| HP @ RPM | 0.125 hp @ 1800 rpm |
| Box Width | 9 55/64 in |
| Output Bore Shaft Dia. | 1 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input (Shaft or Bore) Size | 5/8 in |
| Box Height | 6 25/64 in |
| Worm Position | Universal¦Parallel |
| Output Configuration | Left Output |
| Input Power Rating | 0.11 hp, 0.082 kW |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Shaft Assembly Code | G |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Shaft | Solid |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Motor HP | 0.17 hp |
| Family Name | FWA |
| Torque Out @ 1150 rpm | N/A |
| Lubrication | None |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Output Speed | 1.9 rpm |
| Housing Material | Cast Iron |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Standard | AGMA Service Class I |
| Box Length | 5 13/64 in |
| Input Motor HP | 0.17 |
| Frame | 56C |
| Weight | 35.1 LB |
| EAN or UPC | 781711523469 |
