Makita 210302-8 — Ball bearing 6903ZZ (double-shielded) designed for grinder spindles. This original Makita part is a 6903ZZ deep-groove ball bearing (double metal shields) with standard dimensions 17 × 30 × 7 mm, engineered to support the rotating spindle and reduce radial runout and vibration.
Quick fit examples: used in Makita 125 mm angle grinders such as : Angle Grinders (115mm & 125mm): GA4540, GA4540C, GA4542C, GA4542C01, GA4590, GA4591, GA4595, GA5040, GA5040R, GA5041C, GA5091, and GA5095. This genuine Makita part is listed among Makita spare parts for those grinder assemblies and is the correct replacement where the 6903ZZ bearing is called out.
What you get: a precision, shielded 6903 bearing ready to drop into the bearing box/spindle assembly—ideal when the original bearing is noisy, rough, or shows play.
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