Pin Diameter on Polar Ramp Door Hinge # PLR1902

Question

Question:

What is the pin diameter of this hinge. 3/4 or 1/2? I see the OD. Is 1. Just want to make sure I use enough. Putting them on a semi trailer dump.

asked by: Ryan P

0

Expert Reply:

The Polar Ramp Door Hinge # PLR1902 referenced in your question has a 1/2 inch internal pin diameter. As you mentioned, the outer diameter of the hinge is 1 inch. The steel hinge also features a grease fitting to allow for a long life and smooth operation.

I have attached a short video demonstration on this product that you can also check out.

expert reply by: Chris R

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Answer 1

The entire hinge is 8-3/16 inches long by 1 inch in diameter. If you take a look at the photo I've edited for you, you can see all the dimensions of the Polar Steel Ramp Hinge, part #PLR1902.

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Answer 2

The Ramp Door Hinge #PLR1902 does require welding of both portions. The tab gets welded as you stated to one side and the outside cylinders get welded to the opposite side. I've attached a couple pictures to assist.

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Answer 3

The ramp hinges part #PLR1902 don't have a specific weight rating, but I can tell you that by the sheer size of these things and their steel constructions that three of them would be just fine for a 4,000 lb rated ramp.

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Answer 4

It sounds like you're looking for a hinge like the Ramp Door Hinge #PLR1902. This heavy-duty hinge replaces a damaged hinge on your trailer's ramp or access door. It has a steel construction and grease zerk fitting to easily grease it for…

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Answer 5

Appreciate the photo, and while I couldn't find any reference to part number I550-000, we do have a possible option for the ramp door hinge: - Ramp Door Hinge #PLR1902 The #PLR1902 has a pin that measures 8-3/16" long x 1" diameter and…

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Answer 6

Yes, the hinge part #PLR1902 will work well for you. If you used 6 of these on a fold-out style stage it would have the capacity needed and would operate well for you.

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Answer 7

The Ramp Door Hinge #PLR1902 that you referenced does not come with 2 of the plates for welding. You will weld the plate to one surface and the outside ends of the pin to the other for installation. For a hinge that has 2 of the plates you would want…

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Answer 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 10

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 11

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 12

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Pin Diameter on Polar Ramp Door Hinge # PLR1902

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