One delivery had two bearing shells, one didn’t? Were they with you?
It didn’t came with mine. It just had the gear assembly like on the photo you find in the store.
They both look the same. So it’s normal that there aren’t any! Thank You Bambu 
Today I also received a set with 2 bearings. (eu warehouse)
Just had a quick look, the last set was with extra bearing and the other set was without extra bearings and with the old model teeth I think.
Just like in the previous photo. My new steel extruder also contained the gray one with the new model teeth,
Sorry my english is not that good.
The order was set of Extruder Gear Construction of hardened steel.
And a stainless steel extruder unit - P1P
The order included the extra bearing with the hardening steel gear.
You cannot order an extruder unit with hardening steel gear for P1S.
photo the steel gear from the new extruder unit. The hardened steel gear looks the same as the gray one, only in black.
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Okay this is wild… why is it the products we purchase keep getting revisions and changed without anything said??
The helical design should’ve been like that day 1…
If i’m mistaken please correct me, but isn’t the X1C hardened steel gears compatible with all the printers (P1 series / X1 Series)?
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