Open Source Spindle Cartridge

FreeCAD = File:Spindlecartridge.fcmacro

These are thousands off the shelf, so need to go open source.

• 4.5" 8450 TIMKEN BEARING CONE 4.5in ID [1]
• Can get 4" automotive bearings for $80 [2]
• and 3.75" bearings for $20 [3]

BOM

• Use 4.5" schedule 40 pipe - [4]
• Use 4.5" OD schedule 160 pipe - [5]
• 4.5"x3.25" DOM [6] $10/inch

Spindle with Concrete Block

• 3" through feed for indexing lathe mill.
• File:Spindlewithconcreteblock.fcstd