Reviews for ProTek RC 5x12x4mm Metal Shielded "Speed" Ball Bearings (10) [PTK-MR125ZZ]

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Eduardo Ferrufino
Verified Owner
Saturday, Sep 19 2009 (about 5 years ago)
ProTek RC 5x12x4mm Metal Shielded "Speed" Ball Bearings (10)
I decided to give these bearings a shot and man am I disappointed. Went through 6 bearings in one day. Save your money and go with another brand.