This 15 x 21 x 4 mm (6702-ZZ) bearing is a metric deep groove ball bearing. The 6702-ZZ inner diameter is 15 mm, the 6702-ZZ outer diameter is 21 mm, the 6702-ZZ width is 4 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 $3.50 each
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