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]
