
Boston Gear
SSHF721-25AB5HP20
700 Series Bostmount C-Face Quilled Cast Stainless Reducer
Item #103318971


- 2 1/16" Center Distance
- 25:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Hollow Output
applications
- Washdown
- Food processing equipment
- Chemical processing
- Pharmaceutical industry
features
- Housing, bearing carrier and flange are made from 316 cast stainless steel to withstand hostile environments
- 304 stainless steel output shaft
- All stainless steel hardware
- Output bearing carries o-ring sealed
- Double lipped oil seals
- PosiVentâ„¢ system eliminates breather vent and keeps contaminants
- Internal pressure equalization system allows gearbox to operate without the use of conventional pressure vents
- Lubricated for life with Mobil® SHC634 synthetic oil for wide temperature ranges
- 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
- 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
Bore Code | B5 |
Base to Centerline of Input Shaft | 4 11/32 in |
Washdown Duty | Yes |
Housing Material | 316 Stainless Steel |
Bolt Center Length x Bolt Center Width | 5 in x 2 7/8 in |
Motor Application | Washdown Duty |
Box Length | 6 in |
Torque Out @ 1750 rpm | 875 in lb |
Frame Size | 56C |
Max. Overhung Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
Lubrication | Mobil SHC634 Synthetic |
Max. Thrust Load @ RPM | 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm |
Use With | 721 |
HP @ RPM | 1 hp @ 1800 rpm |
Input (Shaft or Bore) Size | 5/8 in |
Output RPM @ 1750 rpm Input | 70 rpm |
Output RPM @ Input RPM | 70 rpm @ 1750 rpm |
Max. Overhung Load @ 1750 rpm | 700 lb/in |
Worm Position | Universal |
Bolt Center | 5 in x 2 7/8 in |
Output Configuration | Hollow Output |
Box Width | 5 3/16 in |
Family Name | SSHF |
Output Torque @ RPM | 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm |
Fan Cooled | No |
Ratio | 25:1 |
Frame | 56C |
Center Distance | 2.0625 in |
Input HP @ RPM | 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm |
Base to Centerline of Output Shaft | 2 9/32 in |
Output (Shaft or Bore) Size | 1 1/4 in |
Max. Thrust Load @ 1150 rpm | 700 lb/in |
Thermal Input Horsepower @ 1750 RPM | N/A |
Input Configuration | C-Face Quilled |
Box Height | 6 3/8 in |
Torque Out @ 1150 rpm | 790 in lb |
Reduction Type | Single Reduction |
Weight | 0.0 LB |
EAN or UPC | 781711341704 |
