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Trailer Hubs & Drums
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Trailer Brakes and their Hub Assemblies are the spinning components that connect the pavement to the axle. This category contains a large selection of Hub & Drum choices. A few key points you need to consider when selecting the hub & drum assembly that's right for you.
Step 1: Determine the Backing Plate Diameter
Step 2: Determine the Bolt Pattern
Step 3: Determine the Capacity
DIFFERENCE BETWEEN IDLER HUB AND HUB DRUM?
When a trailer is using brakes, the hub is referred to as a Hub / Drum Assembly' when the trailer is without brakes, the hub is called an 'Idler Hub'. The Hub Drum shown below is the housing for a brake assembly. The brake shoes push out onto the inside of the hub. On an axle assembly without brakes, that housing is not needed.
HUB DRUM
HELPFUL HUB & DRUM ARTICLES
HOW TO DETERMINE YOUR BOLT PATTERN