Find a Service Center
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
| Torque Out @ 1750 rpm | 789 in lb |
| Use With | 721 |
| Box Height | 6 3/8 in |
| Input Motor HP | 2 |
| Shaft Assembly Code | J |
| Motor Frame Size | B7140TC180C |
| Reduction Type | Single |
| Washdown Duty | No |
| Style | Right Angle |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Fan Cooled | No |
| Series | 700 |
| Material | Cast Iron, Standard Paint |
| Box Width | 5 3/16 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Family Name | RF |
| Torque Out @ 1150 rpm | 725 in lb |
| 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 |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Input (Shaft or Bore) Size | 7/8 in |
| Input HP @ RPM | 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output (Shaft or Bore) Size | 1 in |
| Standard | AGMA Service Class I |
| Keyway Size | 3/16 x 3/32 |
| HP @ RPM | 2 hp @ 1800 rpm |
| Rated Efficiency | 94% |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Housing Material | Cast Iron |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Ratio | 10:1 |
| Output Configuration | Right Output |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Center Distance Code | 721 |
| Media Mapping Style | RF |
| Output Torque | 789 lb-in |
| Output Bore Shaft Dia. | 1 in |
| Frame | 140TC, 180C |
| Motor HP | 2 hp |
| Max. Input HP @ 100 rpm | 0.19 hp |
| Output Shaft | Solid |
| Input Configuration | C-Face Coupled |
| Lubrication | None |
| Base Mounting Attachment | No Base |
| Worm Position | Universal |
| Media Mapping Output | J |
| Frame Size | 140TC, 180C |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Motor Application | General Purpose |
| Output RPM @ Input RPM | 175 rpm @ 1750 rpm |
| Box Length | 6 in |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Bore Code | B7 |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Bolt Center | 5 in x 2 7/8 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 |
| Center Distance | 2.0625 in |
| Output Torque @ RPM | 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm |
| Output Speed | 175 rpm |
| Weight | 36.1 LB |
| EAN or UPC | 781711528761 |
