Description Specifications: Color: As the picture shows Product Type: Spindle Assembly Shaft Outer Diameter: 6-1/4″ (158.75mm) Height 5-1/2″ (139.7mm) Fits: 50″ : TimeCutter 5000, TimeCutter 5000C, TimeCutter MX5000, TimeCutter MX5025, TimeCutter MX5050, TimeCutter MX5060, TimeCutter MX5075, TimeCutter MX5075T, TimeCutter MyRide 50, TimeCutter SS5000, TimeCutter SS5035, TimeCutter SS5060, TimeCutter SW5000, TimeCutter SWX5000, TimeCutter SWX5050, TimeCutter ZS5000, TimeCutter ZS5000TF, Titan ZX5020 50″ : TimeCutter MX 5000 [MX5000] 74775 2016-2018, TimeCutter MX 5050 [MX5050] 74770 2015-2017, 74771 2016-2018, 74774 2019-2020, TimeCutter MX 5075 [MX5075] 74778 2018, 75755TA 2020-2021, TimeCutter SS 5000 [SS5000] 74637 2014, 74731 2015-2016, TimeCutter SWX 5050 [SWX5050] 74797 2015-2017, TimeCutter ZS 5000 [ZS5000, ZS 5000 CE] 74387 2011-2014, TimeCutter ZS 5000TF [ZS5000TF] 74395 2013-2014 zero turn radius (ZTR) ride-on lawn mower models Replace OEM: Exmark: 117-7268, 117-7439, 120-6234, 121-0751, 121-9107, 139-3214 : 117-0751, 117-7267, 117-7268, 117-7439, 120-6234, 121-0751, 121-9107, 139-3214 Package Include: 2 X Spindle Assembly