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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
| Bolt Centers w/ Vertical "J" Base Kit (in) | 7.63 x 2.50 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 3 in |
| Shaft Assembly Code | J |
| Output Torque @ RPM | 590 in lb @ 1750 rpm, 525 in lb @ 1150 rpm |
| Series | 700 |
| Output Speed | 87.5 rpm |
| Family Name | F |
| Torque Out @ 1150 rpm | 525 in lb |
| Base to Shaft Center Height w/Std. Base Kit | 4.38 in |
| Output RPM @ 1750 rpm Input | 88 rpm |
| Input Motor HP | 1 |
| Center Distance | 1.75 in |
| Box Height | 5 3/4 in |
| Fan Cooled | No |
| Bolt Center Length x Bolt Center Width | 4 3/16 in x 2 3/4 in |
| Output Torque Rating Range [Max] | 749 lb-in, 84 Nm |
| Bore Code | B5 |
| Frame | 56C |
| Bolt Centers w/ Std. Base Kit (in) | 5 3/4 x 4 1/2 |
| Output Torque | 590 lb-in |
| Material | Cast Iron, Standard Paint |
| Worm Position | Universal |
| Media Mapping Output | J |
| Input Configuration | C-Face Quilled |
| Input Power Rating | 0.97 hp, 0.723 kW |
| Base | No |
| Bolt Center | 4 3/16 in x 2 3/4 in |
| Bolt Centers w/ Vertical Base Kits (in) | 7.38 x 4.00 |
| Output Configuration | Right Output |
| Max. Thrust Load @ 1150 rpm | 500 lb/in |
| Max. Input HP @ 100 rpm | 0.08 hp |
| Motor HP | 3/4 hp |
| Bolt Pattern | 4 3/16 x 2 3/4 |
| Keyway Size | 3/16 x 3/32 |
| Output Torque Rating Range [Min] | 500 lb-in, 60 Nm |
| Use With | 718 |
| Motor Application | General Purpose |
| Rated Efficiency | 84% |
| Input (Shaft or Bore) Size | 5/8 in |
| Max. Overhung Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Lubrication | None |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Torque Out @ 1750 rpm | 590 in lb |
| Input HP @ RPM | 0.97 hp @ 1750 rpm, 0.58 hp @ 1150 rpm |
| Base to Shaft Center Height w/High Vert. Base Kit | 4.38 in |
| Motor Frame Size | B556C |
| Max. Thrust Load @ RPM | 500 lb/in @ 1750 rpm, 500 lb/in @ 1150 rpm |
| Base to Centerline of Output Shaft | 2 1/16 in |
| Style | Right Angle |
| Box Length | 5 1/2 in |
| Output Shaft | Solid |
| Base to Shaft Center Height w/Vert. "J" Base Kit | 3 1/2 in |
| Washdown Duty | No |
| HP @ RPM | 0.75 hp @ 1800 rpm |
| Base to Centerline of Input Shaft | 3 13/16 in |
| Output (Shaft or Bore) Size | 7/8 in |
| Ratio | 20:1 |
| Output Bore Shaft Dia. | 0.875 in |
| Standard | AGMA Service Class I |
| Reduction Type | Single |
| Frame Size | 56C |
| Box Width | 5 1/32 in |
| Housing Material | Cast Iron |
| Media Mapping Style | F |
| Base Mounting Attachment | No Base |
| Center Distance Code | 718 |
| Max. Overhung Load @ 1750 rpm | 500 lb/in |
| Output Shaft Projection | Solid Right Output |
| Weight | 19.1 LB |
| EAN or UPC | 781711519356 |
