SKF front and back bearings
Top quality SKF explorer series sealed bearings, front 6205-2Z OD 52mm ID 25mm and rear 6005-2Z OD 47mm ID 25mm. Sealed bearings do need to be re-greased at times as hydro turbines run 24/7 and see very high cycle rates. The PowerSpout is provided with a re-greasing nipple so this can be easily done with the turbine in operation. Refer to manual for re-greasing schedule. Lower quality and cost bearings can be used where the turbine is operating at powers below 500W and 1000 rpm.
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