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
| Max. Thrust Load @ RPM | 1900 lb/in @ 1150 rpm, 1900 lb/in @ 1750 rpm |
| Base to Shaft Center Height w/Low Vert. Base Kit | 6.38 in |
| Ratio | 20:1 |
| Torque Out @ 1150 rpm | 4325 in lb |
| Reduction Type | Single |
| Base to Centerline of Input Shaft | 10 15/32 in |
| Output Torque | 8075 lb-in |
| Output Bore Shaft Dia. | 2 in |
| Max. Overhung Load @ 1750 rpm | 2200 lb/in |
| Output Configuration | Right Output |
| Center Distance Code | 752 |
| Housing Material | Cast Iron |
| Rated Efficiency | 88% |
| Box Height | 13 3/4 in |
| Output Torque Rating Range [Min] | 8000 lb-in, 900 Nm |
| Style | Right Angle |
| Output (Shaft or Bore) Size | 2 in |
| Center Distance | 5.125 in |
| Bolt Centers w/ Vertical Base Kits (in) | 18.00 x 10.00 |
| Max. Overhung Load @ RPM | 2200 lb/in @ 1150 rpm, 2200 lb/in @ 1750 rpm |
| Input Configuration | Shaft Input |
| Lubrication | None |
| Bolt Centers w/ Std. Base Kit (in) | 14 1/8 x 8 3/8 |
| Input Power Rating | 12.74 hp, 9.5 kW |
| Torque Out @ 1750 rpm | 8075 in lb |
| Material | Cast Iron, Standard Paint |
| Base Mounting Attachment | No Base |
| Base to Shaft Center Height w/High Vert. Base Kit | 8.63 in |
| Max. Input HP @ 100 rpm | 1.18 hp |
| Output Shaft | Solid |
| Output RPM @ Input RPM | 88 rpm @ 1750 rpm |
| Fan Cooled | Yes |
| Output Speed | 87.5 rpm |
| Bolt Center | 14 1/8" x 8 3/8" |
| Input (Shaft or Bore) Size | 1 1/4 in |
| Output Torque @ RPM | 4325 in lb @ 1150 rpm, 8075 in lb @ 1750 rpm |
| Output Torque Rating Range [Max] | 10999 lb-in, 1249 Nm |
| Max. Thrust Load @ 1150 rpm | 1900 lb/in |
| Media Mapping Output | J |
| Frame | N/A |
| Motor Application | General Purpose |
| Input HP @ RPM | 8.7 hp @ 1150 rpm, 12.74 hp @ 1750 rpm |
| Box Width | 7 3/8 in |
| Base to Centerline of Output Shaft | 5 5/16 in |
| Output RPM @ 1750 rpm Input | 87.5 rpm |
| Thermal Input Horsepower @ 1750 RPM | N/A |
| Washdown Duty | No |
| Input Motor HP | 1 |
| Output Shaft Projection | Solid Right Output |
| Shaft Assembly Code | J |
| Frame Size | Shaft Input, Not a C-Face |
| Box Length | 13 1/8 in |
| Bolt Center Length x Bolt Center Width | 14 1/8 in x 8 3/8 in |
| HP @ RPM | 10 hp @ 1800 rpm |
| Base to Shaft Center Height w/Std. Base Kit | 6.44 in |
| Series | 700 |
| Standard | AGMA Service Class II |
| Family Name | Std Unit |
| Worm Position | Universal |
| Weight | 201.1 LB |
| EAN or UPC | 781711496343 |
