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Boston Gear
RF721-10-B7-J
700 Series 10:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101870220
- 2 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
| Reduction Type | Single |
| Output Bore Shaft Dia. | 1 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Input Configuration | C-Face Coupled |
| Output Shaft | Solid |
| Washdown Duty | No |
| HP @ RPM | 2 hp @ 1800 rpm |
| Family Name | RF |
| Keyway Size | 3/16 x 3/32 |
| Motor Frame Size | B7140TC180C |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Fan Cooled | No |
| Frame | 140TC, 180C |
| Box Width | 5 3/16 in |
| Housing Material | Cast Iron |
| Torque Out @ 1150 rpm | 725 in lb |
| Worm Position | Universal |
| Media Mapping Output | J |
| Rated Efficiency | 94% |
| Box Height | 6 3/8 in |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Frame Size | 140TC, 180C |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Lubrication | None |
| Motor HP | 2 hp |
| Max. Input HP @ 100 rpm | 0.19 hp |
| Base Mounting Attachment | No Base |
| Box Length | 6 in |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Center Distance Code | 721 |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Motor Application | General Purpose |
| Output Torque | 789 lb-in |
| Use With | 721 |
| Media Mapping Style | RF |
| Shaft Assembly Code | J |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Output Configuration | Right Output |
| Standard | AGMA Service Class I |
| Bolt Center | 5 in x 2 7/8 in |
| Center Distance | 2.0625 in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Torque Out @ 1750 rpm | 789 in lb |
| Series | 700 |
| Output RPM @ Input RPM | 175 rpm @ 1750 rpm |
| Ratio | 10:1 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output Torque @ RPM | 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm |
| Output (Shaft or Bore) Size | 1 in |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Input (Shaft or Bore) Size | 7/8 in |
| Bore Code | B7 |
| Style | Right Angle |
| Output Speed | 175 rpm |
| Input Motor HP | 2 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Input HP @ RPM | 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Weight | 36.1 LB |
| EAN or UPC | 781711528761 |
