Replacement carrier rollers (top rollers) for Hitachi machines, covering the ZX and EX series, each one listed against the Hitachi model it fits.
Models covered include the Hitachi EX22-2, EX30U, EX40U-2, EX50U, EX60-5, EX100-3, ZX27-3, ZX33U-5, ZX48U-3, ZX60USB-5, ZX85US and ZX130-6, with the full list of Hitachi models below.
The carrier roller supports the top run of the track between the sprocket and the idler. Rollers in this range are built with a heat treated steel casing, sealed shaft and bearings, an oil fill and heavy duty seals.