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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
| Torque Out @ 1750 rpm | 789 in lb |
| Output Torque Rating Range [Max] | 999 lb-in, 109 Nm |
| Base to Shaft Center Height w/Std. Base Kit | 4.81 in |
| Bolt Center | 5 in x 2 7/8 in |
| Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Box Height | 6 3/8 in |
| Max. Overhung Load @ 1750 rpm | 700 lb/in |
| Keyway Size | 3/16 x 3/32 |
| Input Power Rating | 2.34 hp, 1.745 kW |
| Reduction Type | Single |
| Frame Size | 140TC, 180C |
| Center Distance Code | 721 |
| Ratio | 10:1 |
| Output Torque @ RPM | 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm |
| Rated Efficiency | 94% |
| Output Bore Shaft Dia. | 1 in |
| Output Shaft | Solid |
| Output Configuration | Right Output |
| Output (Shaft or Bore) Size | 1 in |
| Base Mounting Attachment | No Base |
| Material | Cast Iron, Standard Paint |
| Shaft Assembly Code | J |
| Bolt Centers w/ Std. Base Kit (in) | 6 3/8 x 4 11/16 |
| Output Speed | 175 rpm |
| Output RPM @ 1750 rpm Input | 175 rpm |
| Media Mapping Output | J |
| Style | Right Angle |
| Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
| Standard | AGMA Service Class I |
| Fan Cooled | No |
| HP @ RPM | 2 hp @ 1800 rpm |
| Frame | 140TC, 180C |
| Media Mapping Style | F |
| Output Torque Rating Range [Min] | 750 lb-in, 85 Nm |
| Output Torque | 789 lb-in |
| Washdown Duty | No |
| Motor Application | General Purpose |
| Input (Shaft or Bore) Size | 7/8 in |
| Lubrication | None |
| Series | 700 |
| Family Name | F |
| Center Distance | 2.0625 in |
| Housing Material | Cast Iron |
| Bolt Centers w/ Vertical Base Kits (in) | 8 3/8 x 4 7/8 |
| Torque Out @ 1150 rpm | 725 in lb |
| Output Shaft Projection | Solid Right Output |
| Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
| Max. Thrust Load @ 1150 rpm | 700 lb/in |
| Input HP @ RPM | 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm |
| Max. Input HP @ 100 rpm | 0.19 hp |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 8.63 x 2.63 |
| Motor Frame Size | B7140TC180C |
| Box Length | 6 in |
| Base | No |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3.94 in |
| Input Motor HP | 2 |
| Input Configuration | C-Face Quilled |
| Output RPM @ Input RPM | 175 rpm @ 1750 rpm |
| Worm Position | Universal |
| Bore Code | B7 |
| Motor HP | 2 hp |
| Use With | 721 |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Box Width | 5 3/16 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.88 in |
| Base to Centerline of Output Shaft | 2.28 in |
| Base to Centerline of Input Shaft | 4 11/32 in |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.13 in |
| Weight | 24.1 LB |
| EAN or UPC | 781711519592 |
