Component For Track Roller
Track roller is one of the important undercarriage parts for crawler crane which also go by the name of lower roller, bottom roller.
Track roller is constituted of track roller body, shaft, bushing and caps.
The track roller body is supported on the shaft by a bushing. On both sides of the rack roller body, there are caps and bushing, bushing is over shaft and cap is fixed on the shaft. There is ring groove on junction surface between body and caps, the ring groove is equipped with a ring. There is oil hole on shaft, connect to bushing outside.