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Boston GearSSHF721-25AB5HP20

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
  • Universal Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • 316 Cast Stainless Steel
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Boston GearSSHF721-25AB5HP20
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    Shipment Options
  • 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
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