A Steel Mill customer was experiencing regular failures on bearings in their Pilger Mill. NSK investigated the application and found that severe operating conditions including high loads and inadequate lubrication were causing the failures. NSK proposed a special Spherical Roller Bearing with optimized internal design and Super Tough (STF) steel. A trial showed that the new bearings offerec a 20-30% longer life and a consequential reduction in maintenance costs.
|Before||Cost p.a.||NSK Solution||Cost p.a.|
|Bearing replacement costs||$23,357||Bearing replacement costs||$9,433|
2 hours x $2,412/hr x 52/year
2 hours x $2,412/hr x 21/year
$33/hr x 2 hrs x 2 People x 52/year
$33/hr x 2 hrs x 2 People x 21/year
|Other material replacement||$4,288||Other material replacement||$429|