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Red corroded particles in the fit surface
Possible reasons
·Insufficient amount of interference ·Small bearing oscillating angle ·Insufficient lubrication(or without lubrication) ·Not stable load ·Vibration in the transit Solutions ·Check the interference and the conditions of the lubricant ·Separable packing of inner rings and outer rings when in transit, pre-load shall prevail if the bearings are un-separable ·Re-consider choice of lubricant ·Re-consider choice of bearings
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