Self-aligning ball bearing outer ring groove is spherical, have self-aligning performance, so can automatically adjust the buckling because of shaft or shell caused or different axis heart integrity.

Self-aligning ball bearing main bear radial load, and can withstand smaller axial load. Axis (shell) in the axial displacement limit clearance limit, with automatic self-aligning performance, allowed inside, outside the condition is relatively tilt normal work, suitable for bearing seat hole not strictly to assure concentric degrees in the parts. Self-aligning ball bearing outer ring groove processed into is spherical form, inner ring rolling way there are two deep groove ball bearings, the double row with self-aligning performance. Its main used to bear radial load, in radial load, but also can withstand a small amount of axial load, but generally cannot bear to pure axial load, its limit rotational speed is deep groove ball bearing is low. These bearings are used in more vulnerable to bend under load function on the double supporting shaft bearing seat, and double holes can't guarantee strict in parts of the coaxial tolerance of centerline and inner circle, but the relative gradient centerline invading.this shall not exceed 3 degrees.

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