Proper bearing installation is essential to safeguard maximum bearing life. Maintenance experts estimate that 27% of bearing failures can be attributed to improper installation and mounting errors. A bearing that is only a few thousandths of an inch out of alignment can have its lifespan cut in half. By heating the inner race to ~250°F prior to installation, the user allows the bearing to expand and slide easily onto the shaft. Magnetic induction is a safe and efficient method of generating heat to expand bearings for installation. No open flame or hot oil to worry about. Magnetic induction heats bearings evenly & quicker than hot plates. BESSEY. Simply better.