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Boston Gear
752-20F-J
700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101855832
- 1 Input Motor hp
- 700 Series
- 5.13 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
- Aluminum housings can be used for pressures up to 3,000 psi
- Steel housings must be used for operating pressures above 3,000 psi
| Frame Size | Shaft Input, Not a C-Face |
| Torque Out @ 1150 rpm | 4325 in lb |
| Input HP @ RPM | 8.7 hp @ 1150 rpm, 12.74 hp @ 1750 rpm |
| Max. Overhung Load @ RPM | 2200 lb/in @ 1150 rpm, 2200 lb/in @ 1750 rpm |
| Base Mounting Attachment | No Base |
| Housing Material | Cast Iron |
| Output Torque Rating Range [Min] | 8000 lb-in, 900 Nm |
| Media Mapping Output | J |
| Output Bore Shaft Dia. | 2 in |
| Center Distance | 5.125 in |
| Output Speed | 87.5 rpm |
| Torque Out @ 1750 rpm | 8075 in lb |
| Style | Right Angle |
| Input Power Rating | 12.74 hp, 9.5 kW |
| Output (Shaft or Bore) Size | 2 in |
| Family Name | Std Unit |
| Max. Thrust Load @ RPM | 1900 lb/in @ 1150 rpm, 1900 lb/in @ 1750 rpm |
| Rated Efficiency | 88% |
| Base to Shaft Center Height w/High Vert. Base Kit | 8.63 in |
| Base to Centerline of Output Shaft | 5 5/16 in |
| Bolt Center Length x Bolt Center Width | 14 1/8 in x 8 3/8 in |
| Output Torque | 8075 lb-in |
| Bolt Center | 14 1/8" x 8 3/8" |
| Lubrication | None |
| Base to Shaft Center Height w/Low Vert. Base Kit | 6.38 in |
| Output Configuration | Right Output |
| Max. Thrust Load @ 1150 rpm | 1900 lb/in |
| Output Shaft | Solid |
| Box Height | 13 3/4 in |
| Bolt Centers w/ Vertical Base Kits (in) | 18.00 x 10.00 |
| Frame | N/A |
| Output Torque @ RPM | 4325 in lb @ 1150 rpm, 8075 in lb @ 1750 rpm |
| Box Length | 13 1/8 in |
| Output Torque Rating Range [Max] | 10999 lb-in, 1249 Nm |
| Input (Shaft or Bore) Size | 1 1/4 in |
| Series | 700 |
| Input Motor HP | 1 |
| Output Shaft Projection | Solid Right Output |
| Max. Input HP @ 100 rpm | 1.18 hp |
| Reduction Type | Single |
| Max. Overhung Load @ 1750 rpm | 2200 lb/in |
| Fan Cooled | Yes |
| Base to Centerline of Input Shaft | 10 15/32 in |
| Standard | AGMA Service Class II |
| Material | Cast Iron, Standard Paint |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Worm Position | Universal |
| HP @ RPM | 10 hp @ 1800 rpm |
| Ratio | 20:1 |
| Bolt Centers w/ Std. Base Kit (in) | 14 1/8 x 8 3/8 |
| Washdown Duty | No |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Center Distance Code | 752 |
| Base to Shaft Center Height w/Std. Base Kit | 6.44 in |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Motor Application | General Purpose |
| Shaft Assembly Code | J |
| Box Width | 7 3/8 in |
| Input Configuration | Shaft Input |
| Weight | 201.1 LB |
| EAN or UPC | 781711496343 |
