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Boston Gear
F7724-20-B7-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101834961
- 2 Input Motor hp
- 700 Series
- 2.38 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
| Standard | AGMA Service Class I |
| HP @ RPM | 1.5 hp @ 1800 rpm |
| Base to Centerline of Output Shaft | 2.5 in |
| Media Mapping Output | J |
| Base to Shaft Center Height w/High Vert. Base Kit | 5 1/4 in |
| Center Distance | 2.375 in |
| Base to Shaft Center Height w/Std. Base Kit | 5.19 in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Max. Overhung Load @ 1750 rpm | 900 lb/in |
| Reduction Type | Single |
| Base Mounting Attachment | No Base |
| Input Configuration | C-Face Quilled |
| Input (Shaft or Bore) Size | 7/8 in |
| Bolt Centers w/ Vertical Base Kits (in) | 8.94 x 4.88 |
| Max. Input HP @ 100 rpm | 0.17 hp |
| Max. Thrust Load @ 1150 rpm | 900 lb/in |
| Torque Out @ 1150 rpm | 1160 in lb |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3.38 in |
| Rated Efficiency | 88% |
| Input Motor HP | 2 |
| Input HP @ RPM | 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm |
| Box Width | 5 7/16 in |
| Frame Size | 140TC, 180C |
| Max. Thrust Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Box Length | 6 3/8 in |
| Ratio | 20:1 |
| Frame | 140TC, 180C |
| Series | 700 |
| Output Speed | 87.5 rpm |
| Motor Frame Size | B7140TC180C |
| Output Configuration | Right Output |
| Bolt Center | 5 in x 2 7/8 in |
| Output (Shaft or Bore) Size | 1 1/8 in |
| Media Mapping Style | F |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 9.19 x 2.88 |
| Bolt Centers w/ Std. Base Kit (in) | 7 1/16 x 4 7/8 |
| Washdown Duty | No |
| Center Distance Code | 724 |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Housing Material | Cast Iron |
| Keyway Size | 3/16 x 3/32 |
| Family Name | F |
| Output Bore Shaft Dia. | 1.125 in |
| Shaft Assembly Code | J |
| Use With | 724 |
| Output Torque Rating Range [Min] | 1000 lb-in, 110 Nm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Output Shaft Projection | Solid Right Output |
| Torque Out @ 1750 rpm | 1233 in lb |
| Motor Application | General Purpose |
| Worm Position | Universal |
| Output Torque @ RPM | 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm |
| Max. Overhung Load @ RPM | 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm |
| Style | Right Angle |
| Output Torque | 1233 lb-in |
| Motor HP | 1 1/2 hp |
| Output Torque Rating Range [Max] | 1499 lb-in, 159 Nm |
| Base to Centerline of Input Shaft | 4.875 in |
| Fan Cooled | No |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 4.06 in |
| Box Height | 6 15/16 in |
| Input Power Rating | 1.95 hp, 1.454 kW |
| Lubrication | None |
| Material | Cast Iron, Standard Paint |
| Bore Code | B7 |
| Output Shaft | Solid |
| Weight | 30.1 LB |
| EAN or UPC | 781711519981 |
| NSN Number | 6105-01-275-7052 |
