Bearing temperature is monitored with a 250°/121° temperature indicator crayon, which is used to mark the bearing inner race. When this mark melts, the bearing is ready for mounting. Light Duty ConeMount Bearing Heater, 3/8″ – 5 3/4″ (10 – 145 MM), 10″H X 10″W, 725 Watts Flexible
Affordable
Portable
Easy to use
Reliable
Non-magnetizing