Up for sale is a 3 3/4" Silicon Carbide Mating Ring H-3750-619-9221, 5" OD. I recently acquired two of these items included in a large quantity of bearings, mechanical seals, hydraulic filters and fittings, gauges, and other industrial items at a bankruptcy liquidation auction of Tech Industrial Sales and Service Inc. in Nashville Tennessee. They are all in bubble mailers with the part number written on the outside. There is no brand or manufacturer information on or in the envelopes. I have taken all of the measurements provided myself. This particular part number indicates a shaft diameter of 3 3/4". Note that the actual inside diameter of the ring is 4".  All photos are of the actual product being offered. Please feel free to take a moment to visit my eBay store and browse the other treasures I have listed. All fragile items will be shipped fully insured for the final purchase price so you may buy with confidence.

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