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CAT ชิ้นส่วนรถเขื่อนของบูลโดเซอร์ E312 E320 E325 E329 รอลเลอร์รองรับเครื่องขุด
Good Quality Undercarriage Parts Excavator Carrier Roller Support Roller Wholesale Features of Carrier roller / support roller : 1 Precision sealing protection structure Designed with floating oil seal and multi-layer sealing system. It effectively blocks mud, water and silt infiltration and prevents internal oil leakage. 2 Low-resistance and flexible rotation performance Fitted with high-precision tapered roller bearings with low friction. It realizes flexible rotation, อ่านเพิ่มเติม
OEM Carrier Roller Excavator Support Roller สําหรับเครื่องจักรก่อสร้าง
OEM High Quality Carrier Roller Support Roller For Construction Machinery Undercarriage Features of Carrier roller / support roller : The carrier roller is installed above the track and in the middle of the track frame, playing several key roles for crawler excavators. 1 Support the upper track It holds up the upper track chain to prevent excessive sagging and bouncing during operation. It also avoids violent collision and friction between the track and the chassis frame. 2 อ่านเพิ่มเติม
