CAT 볼도저 구간 부품 E312 E320 E325 E329 발굴기 지원 롤러
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, 더 보기
OEM 캐리어 롤러 발굴기 지원 롤러 건설 기계 하차
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 더 보기