Find a Service Center
Boston Gear
760-20F-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101853906
- 15 Input Motor hp
- 700 Series
- 6 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
| Media Mapping Output | J |
| Housing Material | Cast Iron |
| Rated Efficiency | 88% |
| Output Torque Rating Range [Max] | 14999 lb-in, 1749 Nm |
| Max. Input HP @ 100 rpm | 1.63 hp |
| Series | 700 |
| Shaft Assembly Code | J |
| Bolt Center Length x Bolt Center Width | 16 1/2 in x 9 1/2 in |
| Input (Shaft or Bore) Size | 1 1/2 in |
| Center Distance Code | 760 |
| Output (Shaft or Bore) Size | 2 1/4 in |
| Base Mounting Attachment | No Base |
| Motor Application | General Purpose |
| Output Speed | 87.5 rpm |
| HP @ RPM | 15 hp @ 1800 rpm |
| Style | Right Angle |
| Output Torque Rating Range [Min] | 11000 lb-in, 1250 Nm |
| Input HP @ RPM | 11.93 hp @ 1150 rpm, 17.52 hp @ 1750 rpm |
| Family Name | Std Unit |
| Box Height | 16 1/2 in |
| Output Bore Shaft Dia. | 2.25 in |
| Bolt Center | 16 1/2" x 9 1/2" |
| Washdown Duty | No |
| Material | Cast Iron, Standard Paint |
| Max. Thrust Load @ RPM | 2100 lb/in @ 1150 rpm, 2100 lb/in @ 1750 rpm |
| Input Motor HP | 15 |
| Output Shaft Projection | Solid Right Output |
| Base to Centerline of Input Shaft | 12 1/2 in |
| Max. Overhung Load @ 1750 rpm | 2400 lb/in |
| Input Configuration | Shaft Input |
| Box Width | 8 1/8 in |
| Output Torque | 11080 lb-in |
| Worm Position | Universal |
| Ratio | 20:1 |
| Box Length | 14 1/2 in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Output Shaft | Solid |
| Frame Size | Shaft Input, Not a C-Face |
| Base to Centerline of Output Shaft | 6 1/2 in |
| Base to Shaft Center Height w/High Vert. Base Kit | 9.63 in |
| Torque Out @ 1150 rpm | 11500 in lb |
| Output Configuration | Right Output |
| Input Power Rating | 17.52 hp, 13.065 kW |
| Frame | N/A |
| Standard | AGMA Service Class I |
| Reduction Type | Single |
| Bolt Centers w/ Vertical Base Kits (in) | 20.88 x 11.75 |
| Lubrication | None |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Bolt Centers w/ Std. Base Kit (in) | 16 1/2 x 9 1/2 |
| Base to Shaft Center Height w/Low Vert. Base Kit | 7.31 in |
| Torque Out @ 1750 rpm | 11080 in lb |
| Center Distance | 6 in |
| Base to Shaft Center Height w/Std. Base Kit | 7 3/4 in |
| Output Torque @ RPM | 11080 in lb @ 1750 rpm, 11500 in lb @ 1150 rpm |
| Max. Overhung Load @ RPM | 2400 lb/in @ 1150 rpm, 2400 lb/in @ 1750 rpm |
| Fan Cooled | Yes |
| Max. Thrust Load @ 1150 rpm | 2100 lb/in |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Weight | 255.1 LB |
| EAN or UPC | 781711468081 |
