1.Product Overview The 6804ZZ belongs to 6800 series ultra-thin wall miniature deep groove ball bearing with double-sided ZZ non-contact metal dust shields, standard dimension 20×32×7mm. Its slim radial structure saves limited installation space for compact miniature equipment. Double stamped steel shields block fine dust and tiny particles, locking built-in long-life lubricating grease. It bears radial load and slight bidirectional axial load, runs stably at high speed with