Friction and shock loads transmitted from the track chain create heat within the roller. To withstand this, several quality steps are taken in the manufacturing of Komatsu Genuine OEM rollers.
- Komatsu rollers are constructed of long wearing, heat resistant stellite material supported by rubber load rings that keep oil in and dirt out
- Highly polished shafts and bronze bushings are used in Komatsu OEM rollers to reduce friction and extend roller life
- Rollers have heat treated tread and flange areas for increased strength and longer wear life
- Heavy duty mounting brackets secure rollers to track frames allowing the transmission of shock loads throughout the track frame, thereby reducing potential damage
- Reservoir cavities in roller shells and shafts feed lubricant throughout the roller’s interior to reduce damage-causing heat
- Surface hardness of the roller’s outer shell reduces the wear caused by friction. Hardness decreases toward the inner bore to avoid brittleness and provide absorption of shock loads
- Greater flange height on Komatsu OEM rollers provides maximum track alignment and machine stability under any operating conditions
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