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Double ball bearing in pairs

If double installed in pairs, make a pair of bearing outer ring relative, namely the wide end facing the wide end face, the narrow end face the narrow end.This can avoid the additional axial force, but also can be in two directions the shaft or shell limits in the range of the axial clearance.

Because of its outer ring raceway can have relative displacement in the horizontal axis, so can bear radial load and axial load at the same time, joint load (single row angular contact ball bearings can only carry axial load, the single direction are often usedInstalled in pairs).