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Boston Gear
RF721-40-B5-G
700 Series 40:1 Ratio G Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870656
- 0.75 Input Motor hp
- 700 Series
- 2.06 in Center Distance
- Single Reduction
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
| Input HP @ RPM | 0.49 hp @ 1150 rpm, 0.81 hp @ 1750 rpm |
| HP @ RPM | 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm |
| Media Mapping Style | RF |
| Output Shaft | Solid |
| Input Power Rating | 0.81 hp, 0.604 kW |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Torque Out @ 1750 rpm | 876 in lb |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Torque Out @ 1150 rpm | 785 in lb |
| Series | 700 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input Motor HP | 0.75 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Lubrication | None |
| Shaft Assembly Code | G |
| Output Speed | 43.8 rpm |
| Bolt Center | 5 in x 2 7/8 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Worm Position | Universal |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Output RPM @ 1750 rpm Input | 43.75 rpm |
| Family Name | RF |
| Center Distance Code | 721 |
| Box Length | 6 in |
| Motor HP | 1/2 hp |
| Output Torque @ RPM | 785 in lb @ 1150 rpm, 876 in lb @ 1750 rpm |
| Style | Right Angle |
| Motor Frame Size | B556C |
| Standard | AGMA Service Class I |
| Output (Shaft or Bore) Size | 1 in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Frame | 56C |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Bore Shaft Dia. | 1 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Box Height | 6 3/8 in |
| Media Mapping Output | G |
| Ratio | 40:1 |
| Output RPM @ Input RPM | 44 rpm @ 1750 rpm |
| Use With | 721 |
| Box Width | 5 3/16 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Input (Shaft or Bore) Size | 5/8 in |
| Center Distance | 2.0625 in |
| Base Mounting Attachment | No Base |
| Reduction Type | Single |
| Housing Material | Cast Iron |
| Input Configuration | C-Face Coupled |
| Output Configuration | Left Output |
| Keyway Size | 3/16 x 3/32 |
| Washdown Duty | No |
| Material | Cast Iron, Standard Paint |
| Max. Input HP @ 100 rpm | 0.074 hp |
| Output Torque | 876 lb-in |
| Motor Application | General Purpose |
| Rated Efficiency | 75% |
| Bore Code | B5 |
| Fan Cooled | No |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Frame Size | 56C |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Weight | 36.1 LB |
| EAN or UPC | 781711527139 |
