Use a conventional puller can't tear down bearings reasons

1. The excessive corrosion;

2. The pressure  too tightly;

3. Bearing and axis has blend-cold welding;

solution

trying to knock bearing, and then pull out;

mild heating bearing, then quickly pull out;

use anti-rust oil penetration, then quickly pull out;

some application can use hydraulic jack, and other special tooling;

use hot oil poured (< 150 degrees) in bearing , then quickly pull out;

choose more types of puller-recommended maximum open width than bearing outside diameter big 50% puller.



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