My bottom brackets were from Zyltech so can't really call it 'cheap Chinese' or unusable but I figured it wouldn't There's no harm in replacing ball bearings. Unfortunately, these worked great, just like the originals.
Bearing 608- ZZ1MC3E (8x22x7) NSK//80018
4 Review
π Wheels Manufacturing Ball Retainer Bag: Convenient Storage and Protection for Your Ball Retainers
6 Review
Enhanced Performance Sydien SCS12UU Bearing Bushing Diameter for Precision Machinery
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Electric Guitar Strings Ernie Ball 2221 Regular Slinky - (10-46)
5 Review