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Boston Gear309A-20K-J

309A-20K-J

300 Series Standard Reducer
Item #101856429
  • .94" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left Output
  • Bottom Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • Cast Iron
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Boston Gear309A-20K-J
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    Shipment Options
  • .94" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Left Output
  • Bottom Worm Position

features

  • Prelubricated for ambient temperature range of 50 °F to 125 °F

caution

  • Any sliding spool valve, if held for long periods of time, may stick and not spring return due to fluid residue formation and therefore should be cycled periodically to prevent this from happening
Torque Out @ 1150 rpm N/A
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Bolt Center 2 3/4" x 2 3/4"
Frame N/A
Output RPM @ 1750 rpm Input 87.5 rpm
Family Name Std Unit
Box Length 2 3/4 in
Input Configuration Shaft Input
Box Height 3 15/32 in
Input (Shaft or Bore) Size 5/16 in
Lubrication Mobil SHC634 Synthetic
Center Distance 0.94 in
Housing Material Cast Iron
Shaft Assembly Code J
Fan Cooled No
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
HP @ RPM 0.1666667 hp @ 1800 rpm
Use With 309
Output Torque @ RPM 43 in lb @ 1750 rpm
Max. Overhung Load @ 1750 rpm 25 lb/in
Output (Shaft or Bore) Size 1/2 in
Max. Thrust Load @ 1150 rpm 25 lb/in
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1750 rpm 43 in lb
Motor Application General Purpose
Base to Centerline of Output Shaft 2 1/2 in
Ratio 20:1
Worm Position Bottom
Reduction Type Single Reduction
Box Width 2 3/4 in
Output Configuration Left Output
Input HP @ RPM 0.17 hp @ 1750 rpm
Base to Centerline of Input Shaft 1 9/16 in
Installed Options Horizontal Base
Washdown Duty No
Frame Size Shaft Input, Not a C-Face
Weight 10.1 LB
EAN or UPC 781711455210
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