There are a number of factors to consider when buying a trailer hub cap, and it’s not as simple as “pick the one you like.” Not all hub caps are compatible with every type of wheel. Make and model are the first things to check. After that, size matters. Different trailer wheels use different kinds of studs, and a hubcap that’s designed for a particular kind of stud will fit only on those wheels. There’s also a lot of variation in stud size and quantity between different manufacturers. For example, a Dana Spicer hub will usually have eight 5/8” studs; a Rockwell hub might have the same number but they’re 3/4” in diameter instead. Some studs are straight, while others are angled. The angle affects the fit of the nut or cotter pin inside the hub. If you’re going to use a hub cap with an angle, you may have to pound the cotter pin into place. If you don’t, the angled stud can get caught in the side of the hub and the nut or cotter will start to come off. In some cases, a dexter hubcap can become damaged by heat from the brakes and bearings, and the resulting crack will eventually let dust and dirt inside, damaging the cotter pin and potentially the wheel nut as well. If this happens, the trailer nut will likely rust faster and need to be replaced more frequently. Other factors that can lead to a trailer hub cap failure include damage from a road hazard or being hit by a vehicle, or from improper installation of the wheel on the axle. Sometimes, the cotter pin that holds a trailer hub cap in place can become misaligned, putting pressure on the seal and causing it to blow off. In addition, it’s important to keep in mind that a dust cap is only as good as the quality of the hub and brakes underneath it. Click to read more about hub caps. Some boat trailer owners have switched to oil-filled hubs, which lubricate the hub assembly with grease as they spin. These hubs are less expensive than those with sealed-bearings and require far less maintenance. However, some users report that over-greasing them can create too much pressure on the real seal of the bearings and cause them to deteriorate or even blow off. For more understanding of this article, visit this link: https://en.wikipedia.org/Center cap.
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