Order Includes: 1x Big Pinion Bearing. Compatible with Polaris models: ACE 500 2017-2019. Part Number: 3235174. Dimensions: Inner Diameter: 28mm / 1.1", Outer Diameter: 72.4mm / 2.85", Width: 30.4mm / 1.19". We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
