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Boston Gear309B-20K-G

309B-20K-G

300 Series Standard Reducer
Item #101856428
  • .94" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • Top Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • Cast Iron
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Boston Gear309B-20K-G
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    Shipment Options
  • .94" Center Distance
  • 20:1 Ratio
  • Shaft Input
  • Right Output
  • Top Worm Position

features

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

caution

  • Steel housings must be used for operating pressures above 210 bar (3,000 psi)
Ratio 20:1
Center Distance 0.94 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Frame N/A
Lubrication Mobil SHC634 Synthetic
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Box Width 2 3/4 in
Installed Options Horizontal Base
Fan Cooled No
Use With 309
Base to Centerline of Output Shaft 1 9/16 in
Base to Centerline of Input Shaft 2 1/2 in
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
HP @ RPM 0.1666667 hp @ 1800 rpm
Frame Size Shaft Input, Not a C-Face
Box Height 3 15/32 in
Output Torque @ RPM 43 in lb @ 1750 rpm
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Box Length 2 3/4 in
Max. Overhung Load @ 1750 rpm 25 lb/in
Output RPM @ 1750 rpm Input 87.5 rpm
Housing Material Cast Iron
Reduction Type Single Reduction
Motor Application General Purpose
Input Configuration Shaft Input
Worm Position Top
Output Configuration Right Output
Washdown Duty No
Thermal Input Horsepower @ 1750 RPM N/A
Input (Shaft or Bore) Size 5/16 in
Torque Out @ 1750 rpm 43 in lb
Family Name Std Unit
Max. Thrust Load @ 1150 rpm 25 lb/in
Bolt Center 2 3/4" x 2 3/4"
Output (Shaft or Bore) Size 1/2 in
Torque Out @ 1150 rpm N/A
Shaft Assembly Code G
Input HP @ RPM 0.17 hp @ 1750 rpm
Weight 10.1 LB
EAN or UPC 781711455395
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