Ex30 Ex120 PC30 Excavator Track Roller Bottom Roller Lower Roller for Hitachi Komatsu
Ex120 Ex30 PC30 Excavator Track Roller Bottom Roller Lower Roller for Hitachi Komatsu
The type of roller used for a combined track is different from that used for a monolithic or rubber track: the rollers for a combined track roll on the rails, while the rollers for a monolithic or rubber track roll on the track shoes.
Our products are according to the standard of OEM to manufacture.
Order(MOQ) :
1PCPayment :
T/T, Western UnionProduct Origin :
CHINAColor :
BLACK OR YELLOWShipping Port :
XIAMENLead Time :
21DaysEx120 Ex30 PC30 Excavator Track Roller Bottom Roller Lower Roller for Hitachi Komatsu
There are two types of rollers for combined tracks, as shown in Figure 1 below. One is a single flange and the other is a double flange. The former is easy to manufacture; Therefore, the application is more common, and the latter is rarely used. The purpose of having a flange is to prevent the track from moving laterally relative to it to prevent derailment when turning. Usually the height of the flange h=10~20 mm. In order to reduce the friction between the side of the wheel flange and the side of the guide rail, the side of the wheel flange is often made into an inclined plane, and the angle of the bevel α=20°~30°. Find the picture as below:
KOMATSU/CAT/Bulldozers dozers parts
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