Find a Service Center
Boston Gear
F721-10-B7-J
700 Series 10:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101839823
- 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
- Use with FHP belts only
| Base to Centerline of Output Shaft | 2.28 in |
| Box Length | 6 in |
| Center Distance | 2.0625 in |
| Box Width | 5 3/16 in |
| Center Distance Code | 721 |
| Use With | 721 |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Ratio | 10:1 |
| Frame | 140TC, 180C |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Fan Cooled | No |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Housing Material | Cast Iron |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Torque Out @ 1750 rpm | 789 in lb |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Output Torque | 789 lb-in |
| Bore Code | B7 |
| Motor HP | 2 hp |
| Lubrication | None |
| Worm Position | Universal |
| Output Shaft | Solid |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Media Mapping Output | J |
| Input (Shaft or Bore) Size | 7/8 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Configuration | Right Output |
| Standard | AGMA Service Class I |
| Max. Input HP @ 100 rpm | 0.19 hp |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Material | Cast Iron, Standard Paint |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Output Torque @ RPM | 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Input Configuration | C-Face Quilled |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Shaft Assembly Code | J |
| Family Name | F |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Output Speed | 175 rpm |
| Output (Shaft or Bore) Size | 1 in |
| Frame Size | 140TC, 180C |
| Base Mounting Attachment | No Base |
| Reduction Type | Single |
| Output Bore Shaft Dia. | 1 in |
| Washdown Duty | No |
| Base to Centerline of Input Shaft | 4 11/32 in |
| HP @ RPM | 2 hp @ 1800 rpm |
| Style | Right Angle |
| Input HP @ RPM | 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Rated Efficiency | 94% |
| Bolt Center | 5 in x 2 7/8 in |
| Keyway Size | 3/16 x 3/32 |
| Series | 700 |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Motor Application | General Purpose |
| Output RPM @ Input RPM | 175 rpm @ 1750 rpm |
| Torque Out @ 1150 rpm | 725 in lb |
| Media Mapping Style | F |
| Output Shaft Projection | Solid Right Output |
| Box Height | 6 3/8 in |
| Input Motor HP | 2 |
| Motor Frame Size | B7140TC180C |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Base | No |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Weight | 24.1 LB |
| EAN or UPC | 781711519592 |
