SHORT 2000# Trailer Axle Hubs, bolt pattern is 5 on 4 1/2. These are the "SHORT" type 5 lug idler hubs used on a few smaller axles, common on older model Loadrite, EZ Loader and other Trailers. The overall width of this hubs is 3.5" wide, with the bearing outside to outside of about 2-1/2"MEASURE YOURS, this is not the common hubs used on the majority of trailer axles!. Hub assembly includes (2) L-44649 inner and outer bearings and SL-150-1 (1.50 I.D.) seal for a 1-1/16" diameter spindle. A SL-122 (1.25 I.D.) double lipped grease seal and (2) L-44643 inner and outer bearings are included for a 1" diameter spindle. Kit also contains a SCP-100 cotter pin, DC-1505 dust cap, (4) STN-506 lug nuts and pressed in bearing races. Pilot diameter 2.5 inches, flange diameter 5.56 inches. This hub will not fit Rigid Hitch part numbers SA-1250 or SA-1350 spindles.