Blade Spindle For 42″ & 50″ TimeCutter SS5000 SS4200 117-7439 1393214 Spindle Assembly with shaft fits /Exmark 117-7439 & 117-7268. DOES NOT offer this as an ASSEMBLY. Fits 42″ & 50″ Timecutter. 121-0751 is the Shaft ONLY. 2011, SS5000, SS4200 Models. Uses Rotary 8507 Bearing. Uses our 10-13025 Spindle shaft. Replaces: EXMARK 117-7439 EXMARK 121-0751 EXMARK 1393214 117-7439 117-7268 121-0751 117-7267 117-7267 139-3214 Dimensions: CASE QTY: 336 PALLET QTY: 1