Connecting rods bearings Kolbenschmidt for BMW Mini N47C20 N47D20 N57D30 STD set
Kolbenschmidt connecting rod bearings set for BMW Mini N47C20 N47D20 N57D30 STD
Sputter bearings are engine bearings with a sliding layer that is applied by a PVD (Physical Vapour Deposition) process. This sliding layer is considerably thinner and more resistant to wear than on conventional bearing shells manufactured with a galvanised sliding layer.
Stresses on bearings have been steadily increasing in recent decades – in particular on turbocharged diesel engines. To cope with these greater bearing stresses, it has been necessary to develop bearings with higher wear resistance and greater strength. Compared to conventional bearings, sputter bearings can withstand a 50 % greater stress, and this with identical bearing dimensions.
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