Read product description below for more information Complete assembly with bearings, seal, dust cap, cotter pin and lug nuts PLEASE NOTE: This kit will only fit trailer spindles that have a 1 bearing surface with a 1.25 seal surface. Shop Royal 100% Viscose Made from Bamboo Breathable Pillowcases Standard Size Set of 2-Pack at . Choose from Same Day Delivery, Drive Up or Order Pickup. Free standard shipping with $35 orders ABOUT THE PART Hub has 4-bolt pattern on 4 circle. Hub assembly includes (2) L-44643 inner and outer bearings, SL-122 grease seal, SCP-100 cotter pin... 10 Best Trailer Hubs & Spindles - Reviews & Ratings axles with 1 straight spindle Hub assembly includes (2) L-44643 inner and outer bearings, SL-122 double lipped (1.249 I.D. ) grease seal, 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. Measures 4-1/4 inches tall (through center of hub) Trailer Hub Assembly Taile Hub Kit BT 100 04 A 4 Bolt On 4 Inch Cicle 1 04 Circle%2fdp%2fb019j9ryii 4 Lug Hub