Full Ceramic 6903 ZrO2 Rings/Si3N4 Balls 17x30x7mm

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6903 Full Ceramic zirconium oxide One Bearing Full Ceramic zirconium oxide Ball Bearing, balls are Silicon Nitride, measures an inner diameter of 17mm, outer diameter is 30mm and t he width is 7mm, a standard bearing size commonly used in a variety of industrial and commercial applications, Bearing is made from Ceramic.. 6903 skate bearings Full Ceramic Bearing Size: 17mm x 30mm x 7mm Dimensions: 17 X 30 X 7mm/Metric ID (inner diameter)/Bore=17mm OD (outer diameter)=30mm Width/Height/thickness=7mm Inner/outer races: ZrO2 (zirconium oxide) Ceramic Balls: Si3n4 (silicon nitride) Ceramic Quantity: One ball bearing Cage Material: PTFE (Polytetrafluoroethylene) Closures: Open Show more