Here is the bearing and I think I have 2 on the shelf if you need more on them.
Copy and pasted info VVV
NEEDLE CAGE SPROCKET BEARING FOR STIHL 044, 046, MS340, MS341, MS360, MS361, MS362, MS440, MS441 & MS460 MODELS #9512 933 2380 10mm x 16mm x 12mm
Pic from feebay too.