15. Goal D9 pick and gut

I did not expect to get this open yet, so, first time gutting this lock, and very very slow trying not to lose anything. Unexpected extra bearing at 27:54. Construction bearing?

00:00 begin, show key
00:26 start picking
06:38 open last tricky top pin
07:07 reset and show key again
07:16 heavy sigh 1
08:27 remove cylinder
10:02 launch retaining clip across room
10:20 recover
11:20 fiddle around like a dumdum
12:20 remove top bible cover and try not to lose springs
14:00 top mushroom spool driver 3
15:05 top mushroom spool driver 2
15:22 top mushroom spool driver 1
14:40 top key pin 3
16:28 top key pin 2
17:00 top key pin 1
18:50 remove right bible cover and springs
20:45 finally remove right mushroom spool driver 3
21:00 right cupped driver 2 (no spool)
21:22 right cupped driver 1 (no spool)
22:05 right key pin 3
22:30 right key pin 2
22:37 right key pin 1
23:25 left side bible cover and springs
24:25 left mushroom spool driver 3
24:48 left mushroom spool driver 2
24:58 left mushroom spool driver 1
25:48 left key pin 3
26:10 left key pin 1
26:28 left key pin 2
26:32 heavy sigh 2
27:28 bearing 1 and spring
27:45 bearing 2 and spring
27:48 remove core
27:51 a third baby bearing in construction hole 3
29:03 show guts