This 20 x 42 x 8 mm (16004-ZZ) bearing is a metric deep groove ball bearing. The 16004-ZZ inner diameter is 20 mm, the 16004-ZZ outer diameter is 42 mm, the 16004-ZZ width is 8 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 $5.50 each
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