This 4 x 7 x 2.5 mm (MR74-ZZ) bearing is a metric deep groove ball bearing. The MR74-ZZ inner diameter is 4 mm, the MR74-ZZ outer diameter is 7 mm, the MR74-ZZ width is 2.5 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 $1.60 each
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