This 15 x 28 x 7 mm (C6902) bearing is a metric deep groove ball bearing. The C6902 inner diameter is 15 mm, the C6902 outer diameter is 28 mm, the C6902 width is 7 mm.
This bearing is Open, it does not have seal on neither side.
The cage of this bearing is bearing steel, and the balls are made of Si3N4 Silicon Nitride ceramic. Tolerance of this bearing is rated at ABEC - 7. Silicon Nitride (Si3N4) ceramic bearings are 30% lighter than steel and 40% stronger. They have an incredible maximum spin rating of 300,000 rpm under load. These bearings are great for fishing reels and other applications that require fast spinning rate and resistant for rust and corrosion. Librication is generally not required with ceramic bearings.
NZ $18.00 each
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