Blade for lawn tractor mower mower W50021 A: 525mm B: 25.5mm C: 14.5mm D: 92mm E: 4.5mm F: 57mm A: Diagonal blade length B: Centre hole dia. C: Centre hole dia. D: Centre hole dia. D: Distance between mounting holes E: Blade thickness F: Blade width KUBOTA Code: R303952 Original part number: 6562137210 K002134330 AT