Under normal circumstances, a tight fit to the interference to install a double row self-aligning ball bearings must try to be the shaft shoulder. Test methods:
(1) lighting method. About to lights at the koyo bearings and shaft shoulder to see Leaky be judged. Not leaked instructions to install correctly; if uniform light leakage along the shaft shoulder around, bearing not try to be with the shaft shoulder to deal with the bearing to exert pressure so try to be; if there is some light leakage, instructions bearing installation tilt, hand hammer, copper or sleeve tap the bearing inner ring, slowly Anzheng.
(2) The thickness of the conventional test method. The thickness gauge thickness should be 0. 03mm. Inspection, test on the entire circumference of the end of the bearing inner ring and shaft shoulder insert a few, such as clearance and very uniform, koyo bearings are not installed in place to deal with double row self-aligning ball bearing inner ring of pressure it try to be shaft shoulder; if the increased pressure by tight, too much description of the journal fillet parts of the fillet and stuck the bearing journal fillet should be trimmed to make it smaller; If you find the face and bearing of the bearing inner ring shoulder thickness of the individual parts of the regulation through the descriptions must be removed to be trimmed and re-install.
koyo bearing lubrication principle is consistent with other double row self-aligning ball bearing lubrication, but bearing relatively poor working conditions, its performance to the availability of effective depends largely on the bearing lubrication.
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