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