![]() A “Standard Spindle” hub will measure between 4” and 4-1/16” while a “Short Spindle” hub will measure 3-1/2”. *Hub Length is the distance through the center of the hub from casting edge to casting edge. If the hub is not available you can measure the spindle from the seal surface shoulder to the beginning of the thread as shown: If the Hub is available to measure, than Hub Length* can be used to determine the difference. Timbren Axle-Less Trailer Suspension System w Electric Brake Hubs - Straight Spindle - 3,500 lbs Our Price: 1,421.49 (250) Add to Cart The Axle-Less system provides a smooth, quiet, safe ride and can eliminate the need for an axle, allowing for maximum ground clearance and a low deck height. Most trailer manufactures used and still use what is referred to as a “Standard Spindle” while others used, less commonly, what is referred to as a “Short Spindle”. Idler Hub 67.95 Spindle Nut 1' Castle Style with 12 Constellations 4.95 Spindle Nut 1' Castle Style with 6 Constellations 4. These spindles are commonly found on axles rated at less than 3,500lbs. Brake Hub Out of stock Spindle for 3,500 lb. Here is a diagram showing the 4 important areas on a 3,500lb spindle:Īnother commonly found spindle is when both bearing Inside Diameter’s are the same and this is called a “Straight Spindle”. The flange is there for Trailer Brakes to be mounted but does not have to be used. This spindle is usually found with a 4-hole brake flange welded to the axle. ![]() One of the most common trailer spindles out there is a 3,500lb “Tapered Spindle” (when bearings have different Inside Diameter’s). They are, Seal Surface, Inner Bearing Surface, Outer Bearing Surface, and Thread Surface. There are 4 main areas of importance on the spindle to consider when purchasing a Trailer Hub or Bearings. These are the most common axles found on Boat Trailers, Small to Medium Sized Utility Trailers, Snowmobile Trailers, and more. There are a few common spindle sizes found on Trailer Axles rated at 3,500lbs or less. Posted Under: Trailer Axles, Hubs & Springs This post was written by ghoj on November 5, 2014
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