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For details on shaft and housing design, please see the following:
Examples of allowable total eccentricity for oil seals
water-resistant fluorine rubber products, and the tolerance and drug resistance are better than the FFKM of
After the oil seal is positioned in the groove, apply even pressure to the oil seal using a seal driver or a similar tool. This will help to seat the oil seal firmly in the groove and prevent it from moving during use. Make sure to apply the pressure evenly and gently, as applying too much force can damage the oil seal or cause it to deform.