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