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Boston Gear309B-40K-G

309B-40K-G

300 Series Standard Reducer
Item #101807780
  • .94" Center Distance
  • 40:1 Ratio
  • Shaft Input
  • Right Output
  • Top Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • Cast Iron
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Boston Gear309B-40K-G
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    Shipment Options
  • .94" Center Distance
  • 40:1 Ratio
  • Shaft Input
  • Right Output
  • Top Worm Position

features

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

caution

  • Axial rating will reduce by 50% unless an EP (Extreme Pressure) grease or oil lubrication is used.
Max. Overhung Load @ 1750 rpm 25 lb/in
Center Distance 0.94 in
Output (Shaft or Bore) Size 1/2 in
Max. Thrust Load @ 1150 rpm 25 lb/in
Ratio 40:1
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Installed Options Horizontal Base
Lubrication Mobil SHC634 Synthetic
Output Torque @ RPM 31 in lb @ 1750 rpm
Output Configuration Right Output
Bolt Center 2 3/4" x 2 3/4"
Thermal Input Horsepower @ 1750 RPM N/A
Box Height 3 15/32 in
Output RPM @ 1750 rpm Input 43.75 rpm
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Box Width 2 3/4 in
Reduction Type Single Reduction
Worm Position Top
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Motor Application General Purpose
Base to Centerline of Output Shaft 1 9/16 in
Family Name Std Unit
Torque Out @ 1750 rpm 31 in lb
Base to Centerline of Input Shaft 2 1/2 in
Use With 309
Input Configuration Shaft Input
Input HP @ RPM 0.02 hp @ 1750 rpm
Washdown Duty No
Input (Shaft or Bore) Size 5/16 in
Shaft Assembly Code G
Frame N/A
Fan Cooled No
Torque Out @ 1150 rpm N/A
Frame Size Shaft Input, Not a C-Face
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Box Length 2 3/4 in
Housing Material Cast Iron
Weight 10.1 LB
EAN or UPC 781711455418
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