Rolltrak Replacement Roller 32mm SKU: 210388 MODEL: R4140 Error. try again later You've successfully joined the club $ 12 .76 each Available on orders $50 to $1500. More info × Mitre 10 Variants Bearing acetal grooved roller with fixed axle. Features and benefits Diameter: 32mm. Axle: 6.4mm. Load: 25kg each roller. Suits many sliding door carriages.