An important Quarrying & Mining Company were having reliability issues with a conveyor application. The bearing inserts were operating in a very harsh environment, exposed to water and abrasives particles. Located 5 meters above the ground, inspection and maintenance tasks were especially problematic, which created difficulty predicting premature failure. NSK assessed the situation and proposed the use of Molded-Oil inserts and the result showed that bearing life was increased by 9 times.
Before | Cost p.a. | NSK Solution | Cost p.a. | |
---|---|---|---|---|
Replacements per year × employees time × €30/h | €540 | Less than 1 replacement per year × employees time × €30/h | €63 | |
Downtime costs: 250ton/h × €/7ton × time × replacements per year | €15.750 | Downtime costs: 250ton/h × €7/ton × time × replacements per year | €1.838 | |
Life: 2 months approximately (440h) | Life: 19 months approximately (4140h) | |||
Total Costs | € 16 290 | € 1 901 |
Reference:SS-E-7022