JCB excavator track roller model has JS120,JS130,JS200,JS205,JS220,JS330,JS360LC, etc,
Heavy duty Quality is similar to Italy Berco and ITR undercarriage parts bottom roller
Lower track roller for Volvo crawler excavator EC210BLC EC240BLC EC290BLC EC360 EC380DL EC460 undercarriage parts,is used for construction machinery earth moving and mining