Skip to content Skip to navigation menu
Boston Gear309A-5K-J

309A-5K-J

300 Series Standard Reducer
Item #101805878
  • .94" Center Distance
  • 5:1 Ratio
  • Shaft Input
  • Left Output
  • Bottom Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • Cast Iron
+ Show More + Show Less
Boston Gear309A-5K-J
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
  • 5:1 Ratio
  • Shaft Input
  • Left Output
  • Bottom Worm Position

features

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

caution

  • If the pin or bow is worn, distorted or damaged, discard the entire shackle and replace
  • Do not use round pin shackles in rigging applications
  • Screw pin shackles should not be used if there will be movement on the pin
  • Movement could cause the pin to unscrew and drop the load
  • Always stand clear of loads being lifted
Box Width 2 3/4 in
Output RPM @ 1750 rpm Input 350 rpm
Installed Options Horizontal Base
HP @ RPM 0.08333333 hp @ 1800 rpm
Family Name Std Unit
Bolt Center 2 3/4" x 2 3/4"
Base to Centerline of Output Shaft 2 1/2 in
Max. Overhung Load @ 1750 rpm 25 lb/in
Worm Position Bottom
Thermal Input Horsepower @ 1750 RPM N/A
Max. Thrust Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Fan Cooled No
Housing Material Cast Iron
Output (Shaft or Bore) Size 1/2 in
Frame Size Shaft Input, Not a C-Face
Reduction Type Single Reduction
Input HP @ RPM 0.12 hp @ 1750 rpm
Box Length 2 3/4 in
Center Distance 0.94 in
Max. Thrust Load @ 1150 rpm 25 lb/in
Input (Shaft or Bore) Size 5/16 in
Box Height 3 15/32 in
Lubrication Mobil SHC634 Synthetic
Frame N/A
Torque Out @ 1150 rpm N/A
Ratio 5:1
Washdown Duty No
Use With 309
Output Torque @ RPM 14 in lb @ 1750 rpm
Bolt Center Length x Bolt Center Width 2 3/4 in x 2 3/4 in
Shaft Assembly Code J
Max. Overhung Load @ RPM 25 lb/in @ 1150 rpm, 25 lb/in @ 1750 rpm
Output Configuration Left Output
Motor Application General Purpose
Torque Out @ 1750 rpm 14 in lb
Output RPM @ Input RPM 350 rpm @ 1750 rpm
Input Configuration Shaft Input
Base to Centerline of Input Shaft 1 9/16 in
Weight 10.1 LB
EAN or UPC 781711455180
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison