Skip to content Skip to navigation menu
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
+ Show More + Show Less
Boston Gear309B-40K-G
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    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.
Shaft Assembly Code G
Fan Cooled No
Box Width 2 3/4 in
Torque Out @ 1150 rpm N/A
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Max. Overhung Load @ 1750 rpm 25 lb/in
Input Configuration Shaft Input
Thermal Input Horsepower @ 1750 RPM N/A
Output Configuration Right Output
Frame N/A
Center Distance 0.94 in
Output RPM @ 1750 rpm Input 43.75 rpm
Ratio 40:1
Bolt Center 2 3/4" x 2 3/4"
Use With 309
Family Name Std Unit
Installed Options Horizontal Base
Box Height 3 15/32 in
Output (Shaft or Bore) Size 1/2 in
Max. Thrust Load @ 1150 rpm 25 lb/in
Base to Centerline of Output Shaft 1 9/16 in
Box Length 2 3/4 in
Output Torque @ RPM 31 in lb @ 1750 rpm
Torque Out @ 1750 rpm 31 in lb
Input (Shaft or Bore) Size 5/16 in
Input HP @ RPM 0.02 hp @ 1750 rpm
Frame Size Shaft Input, Not a C-Face
Washdown Duty No
Housing Material Cast Iron
Base to Centerline of Input Shaft 2 1/2 in
Worm Position Top
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Motor Application General Purpose
Lubrication Mobil SHC634 Synthetic
Reduction Type Single Reduction
Weight 10.1 LB
EAN or UPC 781711455418
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison