Rodamiento de cerámica 6902 - Rodamiento de bolas de cerámica 15x28x7 mm - Rodamiento 61902
6902 Ceramic Ball Bearing from World Champions ACER Racing. This is a 15x28x7 mm ceramic ball bearing also referred to as a 61902 bearing. Uses diamond polished Silicon Nitride Ceramic Balls. Full sealed on both sides with removable seals.