What is spindle hub?
Spindles are the innermost part of the trailer wheel and axle assembly. They provide a surface for the wheel bearings and wheel hub to rotate around.
Why would a wheel bearing race spin in the hub?
The outer bearing race is turning in the hub, these hubs are on a 2013 5th wheel trailer. What can cause this? A bearing race or cone should fit tightly enough in the hub that it needs to be driven out of the hub with a punch from the back side.
What kind of hub assembly does a car have?
Today’s modern cars, and those manufactured after 1997 are equipped with a single bearing and hub assembly that is attached to each wheel and tire on a vehicle.
How is the outer race of a wheel fitted?
The hub is taken and the outer race of the bearing is press fitted in the hub. Then the hub is positioned on the bearing and then the second bearing’s inner race is press fitted on the spindle.
What happens when a wheel hub assembly goes bad?
Typically when a wheel hub assembly goes bad it’s actually the wheel bearing inside the single assembly that is damaged. This part will make a roaring sound, similar to a metal-to-metal grinding sound when the bearing is wearing out.
What kind of hub does a trailer spindle use?
Round R20484X 84 Spindle & 5-4.5″ Bolt Circle Trailer Hub. 5 studs 4.5″ Bolt circle using L68149 inner and L44649 outer bearing hub. (84 Spindle). Hubs are pre-raced & pre-studded with 1/2″-20 studs. Includes Hub, inner bearing, outer bearing, seal, grease cap & lug nuts.
Can a worn hub cause a wheel to spin?
Cause: Loss of axle retention or reinstalling a worn hub can allow the cone or inner race to spin on the hub, accelerating wear on the cone bore and hub barrel. This cone turning can indicate loss of bearing retention or improper fit between the cone bore and hub barrel diameter. Solution: If you see damage to the hub barrel, replace it.
How big are the hubs on a southwest wheel?
Hubs are pre-raced & pre-studded with 1/2″-20 studs. Includes Hub, inner bearing, outer bearing, seal, grease cap & lug nuts. BT8 Spindle, Spindle base size=1 1/4″ Spindle length=4″ Overall length =8 7/8″. Capacity (pair) 1,000 lbs.
What to look for when replacing a wheel hub?
Diagnosis: Inspect the hub barrel when replacing a wheel bearing with a separate hub. Check the hub barrel outer diameter (OD) for signs of damage. Look for ridges or discoloration on the barrel surface due to heat damage from cone turning.