The Yokomo BB-126N-2 pack contains narrow 6x12 metal bearings intended for RC-scale assemblies. Its heavy-duty build is aimed at reducing wear where installation space is restricted. The description states 2 pcs supplied for ZM-415SH; double-check quantity for other uses.
Assembly guidance: intended for housings that accept narrow 6x12 bearings, these should be fitted with proper press-fit tools and clearances checked on shafts and hubs before completing assembly. Routine light lubrication will maintain smoothness and lifespan.
Role in tuning: narrow 6x12 bearings such as the BB-126N-2 help decrease rolling friction in wheel hubs and drivetrains where space is limited, aiding smoother rotation and steadier response under load.
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