Compact Bowden extruder, direct drive, bearing bloc, auto load 1.75mm filament

This is an upgrade of my "Compact Bowden Extruder, direct drive 1.75mm, with bearing bloc" http://www.thingiverse.com/thing:652159.
This one is stronger and fit to auto load the filament. https://www.youtube.com/watch?v=jBaMU9Jch6Y&feature=youtu.be

You need :

• 1 x 625ZZ bearing.
• 1 x 608ZZ bearing
• 2 x M3x10 mm screws
• 2 x M3x8 mm screws
• 1 x M3X16 mm screw (top of the idler)
• 1 x M5x15 mm screw (608ZZ bearing)
• 2 x M3x30 mm screw
• 3 x M3 nut
• 2 small spring (the same as bed leveling)
• 1 Hobbed pulley (like http://www.reprap-france.com/produit/1234568310-roue-dentrainement-a-gorge (Lenght 13mm - Outer dia. : 8 mm - Hob. dia. : 6mm - Bore 5mm )
  Or
• 1 standard MK8 Hobbed pulley (Lenght 11mm - Outer dia. : 9 mm - Hob. dia. : 7.1mm - Bore 5mm) Choose the extruder stamped MK8.

Update 17-02-2015 : correcting the reference of bearing 608ZZ
Update 26-02-2015 : Here is a useful stuf to improve bowden fitting :http://www.thingiverse.com/thing:699415 and reduce backlash.
Update 01-03-2015 : correct 3 x M3 bolt in 3 x M3 nut.
Update 02-03-2015 : Aadding Extruder_to_threaded_rod_support.stl file.
Update 24-03-2015 : Adding a modified version of the extruder in order to fit with a standard MK8 Hbbed pulley (Lenght 11mm - Outer dia. : 9 mm - Hob. dia. : 7.1mm - Bore 5mm)
Update 27-03-2015 : Correct the 1 x M5x10 mm screw (608ZZ bearing) to 1 x M5x15 mm screw (608ZZ bearing).
Update 19-05-2015 : As requested, added a MK8 version with pushfit input (Compact bowden extruder MK8 - 2 pushfit.stl)
Update 17-01-2016 : As requested, added a MK8 version without builtin support (Compact bowden extruder MK8 - 2 pushfit - no builtin support.stl)
Update 14-02-2016 : As requested, added a MK8 version without bracket nor builtin support. (C_B_E_MK8_-2_pushfit-no_braket-no_builtin_support.stl)
Thanks for sharing your makes ;)
Update 19-02-2016 : As requested, added longer idlers.
Update 21-03-2016 : As requested, added C_B_E MK8_M6 pushfit_builtin support.stl
Update 25-06-2016 : As requested, added C_B_E_MK8 - 2 pushfit - no braket - with builtin support.stl