A customer was experiencing repeated bearing failure every 2-3 months, on the blade support of a concrete pipe slotting machine, with 8 hours downtime per failure. NSK Engineers examined the application and determined that ingress of concrete dust was causing premature failure of the bearings. NSK recommended changing to Molded-Oil bearings, which would give a better service life. This resulted in much improved performance with bearing life quadrupled from 2-3 months to 12 months.
Before | Cost p.a. | NSK Solution | Cost p.a. | |
---|---|---|---|---|
4 failures per year | No failures over one year | |||
8 hours downtime per failure €1.200 per hour downtime costs |
€ 38.400 | NSK Molded-Oil bearings operated without failure for 12 months | € 0 | |
Total Costs | € 38 400 | € 0 |
Reference:SS-E-2028