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6704ZZ Shielded Bearing 20x27x4 Ball Bearings
|6704ZZ Shielded Ball Bearing|
20mm x 27mm x 4mm
6704ZZ Shielded Ball Bearing, bearing is made from Chrome Steel, bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, this bearing is self lubricated (bearing is already greased).