7x14x5mm Ceramic Ball Bearing – 687 Ceramic Bearing – 7x14mm Ball Bearing

Description

World Champion ACER Racing 7x14x5mm Ceramic Ball Bearing.  This is a 7x14mm ceramic ball bearing also known as a size 687 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.