Taper Roller Bearings: Tapered Roller Bearing Metric ...
2019-12-24 · The 180 ° or 90 ° phase adjustment can be used to improve the radial runout. The bearings of the other shafts in the headstock are mostly single-row tapered roller bearings. Since this type of bearing will cause instability in the temperature state after preloading, this bearing must leave a gap.
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