A cement customer was experiencing repeated bearing failure on the blade support of a concrete pipe slotting machine. The failures were occurring every 2-3 months, causing 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 upgrading to Molded-Oil bearings, which would offer better service life. The change in bearing resulted in improved bearing performance with life increasing 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 $1,270 per hour downtime costs |
$40,640 | NSK Molded-Oil bearings operated without failure for 12 months | € 0 | |
Total Costs | $40,640 | $0 |
Reference:SS-E-2028