Short 2000# Trailer Axle Hubs BT150ABolt Pattern is 5 on 4 1/2These are the "short" type 5 lug ider hubs used on a few smaller axles. Reliable BT 150 A, Common on EZ Loader and other TrailersThe 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!Race to race is 2"Bearing to bearing is 2-1/2Overall (outside where the seal sits to outside where the dust cap is inserted) is about 3-5/8" Width of the hub is 6" Bolt Pattern is 5 x 4.5 Includes races pressed in, dust cap and 5 new lug nuts.We send both sizes of bearings (1" and 1-1/16") and both size seals (1.25" and 1.50") because it could be either sizeThe measurement from were the rim mounts and the top of the hub is 1 1/2"Hub has "Standard" 5 x 4.5" bolt pattern (measures 4-1/4" center to center, skipping one stud)PRICE