360 vs 270 turbo bearing
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It is basically a thrust bearing in the turbo that normally covers approx 270 deg of the rotation and the centre housing is machined to accommodate a bearing that covers the full 360 deg of rotation. Only advantage is that it can handle more boost as I presume the load on the shaft is more evenly spread due to increased support. I have a s111 stage 2 hybrid on my car it's ideal for stage 1 or stage 3 chip
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When the turbo comes on boost the shaft is 'thrusted' forwards, the load is put onto the thrust bearing (normally a thrust washer between the 2) a 360 bearing offers more support as the the load is spread over a bigger area, think of a 270 bearing as a pizza with a slice missing, 90 degrees of the support area is missing of there.
Some modern turbos have 360 bearings with big oil cut outs, this can cause premature wear.
Some modern turbos have 360 bearings with big oil cut outs, this can cause premature wear.
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