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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
Output Configuration Left Output
Center Distance 0.94 in
Max. Thrust Load @ 1150 rpm 25 lb/in
HP @ RPM 0.1666667 hp @ 1800 rpm
Fan Cooled No
Base to Centerline of Input Shaft 1 9/16 in
Max. Overhung Load @ 1750 rpm 25 lb/in
Housing Material Cast Iron
Bolt Center 2 3/4" x 2 3/4"
Reduction Type Single Reduction
Input HP @ RPM 0.17 hp @ 1750 rpm
Output (Shaft or Bore) Size 1/2 in
Frame Size Shaft Input, Not a C-Face
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Box Width 2 3/4 in
Box Length 2 3/4 in
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 2 1/2 in
Output RPM @ 1750 rpm Input 87.5 rpm
Ratio 20:1
Torque Out @ 1150 rpm N/A
Washdown Duty No
Use With 309
Lubrication Mobil SHC634 Synthetic
Worm Position Bottom
Shaft Assembly Code J
Torque Out @ 1750 rpm 43 in lb
Box Height 3 15/32 in
Installed Options Horizontal Base
Thermal Input Horsepower @ 1750 RPM N/A
Motor Application General Purpose
Frame N/A
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Family Name Std Unit
Output Torque @ RPM 43 in lb @ 1750 rpm
Input Configuration Shaft Input
Input (Shaft or Bore) Size 5/16 in
Weight 10.1 LB
EAN or UPC 781711455210
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