Bearing Buddy Chrome Bearing Protectors (2.328" Diameter) With Bras - Pair 2.328 inch diameter (Approx. 2-5/16") Prevents wheel bearing failure on boat, snowmobile, ATV, horse, RV and utility trailers Eliminates bearing repacking - Keeps water and dirt out of hubs and bearings Stainless steel components - Easy to install Please see measurement instructions (secondary picture) to confirm correct sizing.