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684ZZ Bearing Shielded 4x9x4 Miniature Ball Bearings
|684ZZ Shielded Ball Bearing|
4mm x 9mm x 4mm
684ZZ Shielded Ball Bearing, Bearing is made of Chrome Steel, it has POLY Cage, each bearing has 2 Metal Shield to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.