Atlas Craftsman 6" Lathe 101, 618.  36 Tooth Gear Part # M6-101-36
This fine Nylon gear has improved design for better durability and performance
 compare to OEM and superior to other replacements

US made out of Nylon - tough and flexible plastic
Nylon naturally slippery, no lubrication required!
Runs quieter and smoother 

Only Nylons should be used for gears where a slippery surface is desired.
  All other materials (PLA, ABS, PET, etc.) will grind creating a plastic dust and eventually fail!

For details, please review all pictures

May fit other 1/2" bore lathes as well.

O.D. : 1.5833" (40.14mm)

Gear face width: "3/8" (9.6mm)

Center dual key bore: 1/2"  (0.5")

Do not waste your money on ABS or PLA plastic gear that may strip or even melt!

Introductory price - please share installed images and review.