My attempt at a full rebuild of the Tormach 1100MX BT30 spindle.

Step by step:
Full dissasembly
New precision bearings as well as a look at why the originals might not last long.
Full reassembly

Do this at your own risk.

Reference docs:

New bearings
NSK 7008CTRDUL P4Y (Lower)
NSK 7006CTRDUL P4Y (Upper)

NSK bearing tables
https://www.nsk.com/common/data/ctrgP...

Angular contact bearing arrangement
https://nsk.com.br/upload/file/NSK_CA...

Bearing fill
https://www.nsk.com/common/data/ctrgP...

Bearing break in procedure
https://www.gmnbt.com/precision-beari...