South Bend 9/10K

 METAL LATHE METRIC TRANSPOSING 37/47 COMPOUND NYLON GEAR 

This is a FDM made Nylon gear stack (compound gear)

0.625 Bore - install directly on to the stud - no bushing needed

This gear made out of out of Nylon - tough and flexible plastic

No lubrication required 
Only Nylons should be used for gears where a slippery surface is desired.
  All other materials (PLA, ABC, PET, etc.) will grind creating a plastic dust and eventually fail!
For details, please review all pictures and compare to OEM gear shown

Do not waste money for ABS, PLA plastic gear that may strip or melt

The (47/37) gear is commonly used for transposing the feed rates on metal lathes for cutting metric sized threads.
The 47/37  ratio is 1.27027  is very close to 1.27 with margin of error of only 0.0026" per foot.

Gear depth          .375 (3/8") 37t

Gear depth          .375 (3/8") 47t

Stack Thickness  .750 (3/4")

Center bore         .625 (5/8")

Diametrical Pitch (DP)  18


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