Ceramic Bearing 25x37x6mm Si3N4 - Sealed - Premium ABEC-525 x 37 x 6mm Hybrid Ceramic Bearing ABEC 5 Sealed Silicon Nitride Balls Premium Deep Groove Design This 25x37x6mm deep groove ball bearing features silicon nitride (SiN) ceramic balls for ultra smooth rotation, paired with chrome steel races and rubber seals. Rated ABEC 5, it delivers high speed, low friction performance ideal for precision tools, motors, and 3D printers. Size: 25mm ID x 37mm OD x 6mm width Type: Deep groove radial ball bearing
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