Journal Bearing Vs Ceramic Ball Bearing

Ball bearings are most common type of bearing and can handle both radial and thrust loads.

Journal bearing vs ceramic ball bearing.

As we know the journal bearing has long been the strength of a turbocharger and is still currently used within most turbochargers. The journal bearing has long been the brawn of the turbocharger however a ball bearing cartridge is now an affordable technology advancement that provides significant performance improvements to the turbocharger. The inner ring. The hardness of ceramic balls also allows them to crush any particles that make their way into the ceramic ball bearing so they don t cause damage to the races.

These bearings were loose ball bearings whilst some had the ball bearings captured in cages to make servicing easier. Ceramic balls are less prone to expansion than steel balls which means bearings with ceramic balls will be more precise than steel bearings and produce less vibration. Journal bearings are more capable of managing shock and overload compared with ball and roller bearings. If you are referring to the on3 76mm journal vs ball bearing turbos i had the ball bearing 76mm on my 99 convertible car.

The heat that journal bearing turbos withstand is taken care of with a good oiling system including the drain. The borg s480 that is popular with a lot of people and is an oem installed journal bearing turbo on some john deere tractor diesel engines these produce a lot of heat and are not cooled with coolant. The journal bearing 70mm that i had originally spooled a lot quicker but that was a 68 vs a 96 a r exhaust housing which obviously makes a difference. What i am thinking is that the loose ball bearings because there would be more of them and thus more load bearing surface than if they were caged would be better than the caged bearings.

The 76 bb made 680rwhp 700rwtq on my 2v 4 6 at around 23lbs. They are also less prone to fatigue. Journal bearing vs ball bearing. Ball bearings are also known as deep groove single row or conrad bearings.