This 4 x 8 x 3 mm (MR84-ZZ) bearing is a metric deep groove ball bearing. The MR84-ZZ inner diameter is 4 mm, the MR84-ZZ outer diameter is 8 mm, the MR84-ZZ width is 3 mm.
This bearing has non-contact metal shields on both sides to protect the bearing from dust or any possible contamination, which can extend bearing life, and retain the lubricant in the bearing.
NZ $1.70 each
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