NTN Tapered Roller Bearing Cup: 3 57/64 in Bore, 4 27/64 in OD, 0.937 in Cup Wd
The NTN Tapered Roller Bearing Cup (SKU 55PX80, MPN 3920-TRB) is an inch-system cup with a 3 57/64 in bore, 4 27/64 in OD, and 0.937 in cup/overall width. It is made of alloy steel and is compatible with cone…
SKU 3G-OTH-107646
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Product Description
The NTN Tapered Roller Bearing Cup (SKU 55PX80, MPN 3920-TRB) is an inch-system cup with a 3 57/64 in bore, 4 27/64 in OD, and 0.937 in cup/overall width. It is made of alloy steel and is compatible with cone manufacturer part number 3975.
Frequently Asked Questions
What is the NTN 3920-TRB tapered roller bearing cup used for?
The NTN 3920-TRB cup is used in tapered roller bearing assemblies to support radial and axial loads in industrial machinery, such as gearboxes, conveyors, and pumps. It pairs with cone 3975 to form a complete bearing set for rotating shafts.
What are the specifications of the NTN 3920-TRB bearing cup?
The NTN 3920-TRB cup has a 3 57/64 in bore, 4 27/64 in OD, and 0.937 in cup width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone manufacturer part number 3975.
Where to buy the NTN 3920-TRB bearing cup worldwide?
3G Electric supplies the NTN 3920-TRB bearing cup worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine NTN component to your facility, regardless of location.
How to install the NTN 3920-TRB tapered roller bearing cup?
Press the NTN 3920-TRB cup into the housing bore using an arbor press or suitable driver, ensuring it seats squarely against the shoulder. Apply a light oil film to the cup raceway before inserting the cone assembly. Follow NTN's recommended interference fits for inch-system cups.
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3G Electric supplies NTN tapered roller bearing cups. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
