South Bend 9A / 10K  metal working lathe

 40t  Nylon gear (runs quieter and smoother)

 Specifications:

Outer diameter 2.333" (59.2mm)

Gear face width     .375 (3/8")

Center bore   .5625 (9/16")  with a single 1/8 keyway

Diametrical Pitch 18

Part number:  32K40N1

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

Thank you.