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Boston Gear
F7718-20-B5-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101735456
- 1 Input Motor hp
- 700 Series
- 1.75 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
- Must be filled to the proper level with the recommended lubricant for your application before operation
| Media Mapping Output | J |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Standard | AGMA Service Class I |
| Output Configuration | Right Output |
| Base Mounting Attachment | No Base |
| Rated Efficiency | 84% |
| Center Distance Code | 718 |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Torque Out @ 1750 rpm | 590 in lb |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Box Width | 5 1/32 in |
| Output Speed | 87.5 rpm |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Motor Application | General Purpose |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Output Shaft Projection | Solid Right Output |
| Lubrication | None |
| Fan Cooled | No |
| Motor Frame Size | B556C |
| Reduction Type | Single |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Input Configuration | C-Face Quilled |
| Bore Code | B5 |
| Family Name | F |
| Keyway Size | 3/16 x 3/32 |
| Output Bore Shaft Dia. | 0.875 in |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Box Height | 5 3/4 in |
| Worm Position | Universal |
| Material | Cast Iron, Standard Paint |
| Base | No |
| Output Shaft | Solid |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Frame Size | 56C |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Style | Right Angle |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Box Length | 5 1/2 in |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Media Mapping Style | F |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Use With | 718 |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Output Torque | 590 lb-in |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Series | 700 |
| Washdown Duty | No |
| Shaft Assembly Code | J |
| Motor HP | 3/4 hp |
| Torque Out @ 1150 rpm | 525 in lb |
| Ratio | 20:1 |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Input (Shaft or Bore) Size | 5/8 in |
| Output (Shaft or Bore) Size | 7/8 in |
| Housing Material | Cast Iron |
| Frame | 56C |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Input Motor HP | 1 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Center Distance | 1.75 in |
| Weight | 19.1 LB |
| EAN or UPC | 781711519356 |
