An energy producer in the UK was experiencing frequent breakdowns due to bearing failure within two industrial fan units. The critical assets were operating 24/7. On average the bearings on each fan unit failed every 3 months. NSK performed an application review. The route cause of failure was attributed to incorrect bearing fixing arrangement. NSK recommended using high capacity Spherical Roller Bearings used within SNN Plummer Blocks. A trial was conducted resulting in zero bearing failures over a 12 months period, with significant improvements in performance and reduced maintenance and associated downtime costs, with 4 times greater life.
|Before||Cost p.a.||NSK Solution||Cost p.a.|
|Bearing Cost: 2 bearings replaced 4 times per year x 2 fans||€ 6,000||Bearing Cost: Initial installation x 2 fans||€ 1,200|
|Downtime Costs: €1584/hr x 10 hr replacement time x 4 times per year x 2 Fans||€ 126,720||No downtime costs||€ 0|
|Fitting Costs: €42/hr x 10 hr replacement time x 4 times per year x 2 Fans||€ 3,360||Fitting costs: Initial fitting, €42/hr x 10 hr x 2 fans||€ 840|
|Total Costs||€ 136,080||€ 2,040|
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