3x7x3mm Ceramic Ball Bearing 683 Ceramic Bearing 3x7mm Bearing MR73 ACER Racing

Description

World Champion ACER Racing 3x7x3mm Ceramic Ball Bearings.  This is a 3x7mm ceramic ball bearing also known as a size 683 ball bearing or a size MR73 ball bearing. Diamond polished Silicon Nitride (Si3N4) Balls, HSR cage technology and sealed on both sides. Lubricated with lightweight and 100% synthetic ACER Racing SIN Oil instead of thick grease for super fast and super smooth action.
Price is for 2 PIECES AS SHOWN IN PHOTO
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