Spindle-lube dust cap sold individually with rubber plug.
Hub Bore size 1.98.
Trailer hub dust caps press-in and protect bearing and seals from grit, dirt, and water. Made of zinc plated steel for corrosion resistance. This dust cap features a special hole made to access the grease fitting on greasable Spindle-Lube spindles simply by removing the rubber plug.
The most accurate way to determine which size you need is to read the outer bearing number. This will indicate the hub bore inner diameter, and the size cap you will need for your trailer hub. Here is a chart of the most common outer bearing sizes and the hub bores they correspond with:
BEARING - BORE
11949 - 1.78"
44643 - 1.98"
44649 - 1.98"
67048 - 2.33"
15123 - 2.44"
14125A - 2.72"
