Montgomery Wards 700 series lathe 30 tooth rear head stock spindle Nylon gear
 30 tooth, 1-1/8 bore
This fine Nylon gear has improved design for better durability and performance
 It is superior to other plastics replacements

FDM 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

30 tooth gear O.D.:   2.0"
D.P: 16
Center bore: 1.125" (1-1/8") with 0.156 (5/32") single key way
Gear face width: 0.575" (9/16")
Part number LA-215-1

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.