This 3 x 8 x 4 mm (693-2RS) bearing is a metric deep groove ball bearing. The 693-2RS inner diameter is 3 mm, the 693-2RS outer diameter is 8 mm, the 693-2RS width is 4 mm.
This bearing has rubber seals 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 $2.40 each
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