Pit & Quarry, November 2012
Spherical roller bearings post bearing remanufacture Scuffing smearing scoring or galling as a result of removed and transferred metal from one bearing component to another PIT SToP due to sliding contact Staining surface discoloration without pitting such as from oil oxidation Wear contact surface degraded and worn away by mechanical action in use Corrosion etching rust that attacks bearing component surfaces Debris denting localized surface depressions caused by debris or foreign material Brinelling permanent deformation displaced metal not just wear of bearing surfaces at roller raceway contact areas caused by excessive load or impact Spalling breakaway of metal on raceway or a rolling element in flakes or scale like particles also called flaking fine grain or coarse grain spalling Heat checks surface cracks caused by heat from sliding contact usually formed in direction of motion Crack fracture significant visible surface cracks usually caused by abuse or unusual operating conditions There are many publications available on assessing or interpreting rolling element bearing damage A common topic discussed is how to identify damages such as Chemical damage etching stains corrosion pitting rust or fretting corrosion How effi cient is your operation Loadrite has you covered with weighing and reporting solutions for wheel loaders excavators and conveyor belts Contact your local Loadrite distributor today to discuss your needs and how we can help 18005609681 www loadritescales com ONBOARD WEIGHING SOLUTIONS LR NA PQ 0612 www pitandquarry com November 2012 PIT QUARRY 39
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