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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
| Box Length | 6 in |
| Input Configuration | C-Face Coupled |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Media Mapping Output | J |
| Washdown Duty | No |
| Torque Out @ 1150 rpm | 725 in lb |
| Ratio | 10:1 |
| Reduction Type | Single |
| Output (Shaft or Bore) Size | 1 in |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Housing Material | Cast Iron |
| Frame | 140TC, 180C |
| Style | Right Angle |
| Center Distance Code | 721 |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Standard | AGMA Service Class I |
| Frame Size | 140TC, 180C |
| Output Speed | 175 rpm |
| Fan Cooled | No |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Motor HP | 2 hp |
| Input Motor HP | 2 |
| Motor Frame Size | B7140TC180C |
| Max. Input HP @ 100 rpm | 0.19 hp |
| Lubrication | None |
| Material | Cast Iron, Standard Paint |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Input HP @ RPM | 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Series | 700 |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Use With | 721 |
| Output Torque @ RPM | 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Torque Out @ 1750 rpm | 789 in lb |
| Media Mapping Style | RF |
| HP @ RPM | 2 hp @ 1800 rpm |
| Keyway Size | 3/16 x 3/32 |
| Box Height | 6 3/8 in |
| Rated Efficiency | 94% |
| Motor Application | General Purpose |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Bolt Center | 5 in x 2 7/8 in |
| Base Mounting Attachment | No Base |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input (Shaft or Bore) Size | 7/8 in |
| Box Width | 5 3/16 in |
| Output Configuration | Right Output |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Output RPM @ Input RPM | 175 rpm @ 1750 rpm |
| Shaft Assembly Code | J |
| Worm Position | Universal |
| Center Distance | 2.0625 in |
| Bore Code | B7 |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Output Shaft | Solid |
| Family Name | RF |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Base to Centerline of Output Shaft | 2 9/32 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Output Bore Shaft Dia. | 1 in |
| Output Torque | 789 lb-in |
| Weight | 36.1 LB |
| EAN or UPC | 781711528761 |
