Race provides smooth surface for bearing to roll on inside of trailer hub. Works with 3984 bearing. Replacement part uses industry-standard number.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to review part number 3920. This is the Axle Tek bearing race. This bearing race will fit the inner bearing part number 3984. This race is designed to be installed into the hub assembly. That will give a spot for the bearing rollers to ride on the inside taper of this race. The bearing will install in there and ride on this race.
The part number on this is stamped on there, it's 3920. The most important part of this is the outer diameter measurement on the race, because that's the size that will be pressed into your hub assembly. It is measured in thousandths of an inch, so it does require the use of a digital caliper to get a correct measurement. Just to show you here, the outer diameter on this part is going to be 4.438 inches. That should do it for our review on part number 3920.
Average Customer Rating: 4.7 out of 5 stars (1137 Customer Reviews)
Race provides smooth surface for bearing to roll on inside of trailer hub. Works with 3984 bearing. Replacement part uses industry-standard number.
Great quality and price
Ordered Friday afternoon received Monday
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