NTN Tapered Roller Bearing Cup: 5 5/16 in OD, 0.551 in Cup Wd, 0.551 in Overall Wd
The NTN Tapered Roller Bearing Cup, model 4T-JL819310, is an inch-system cup with a 5 5/16 in outer diameter, a 0.551 in cup width, and a 0.551 in overall width. It is made of alloy steel and is designed to pair with…
SKU 3G-OTH-109744
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Product Description
The NTN Tapered Roller Bearing Cup, model 4T-JL819310, is an inch-system cup with a 5 5/16 in outer diameter, a 0.551 in cup width, and a 0.551 in overall width. It is made of alloy steel and is designed to pair with cone part number JL819349.
Frequently Asked Questions
What is the NTN 4T-JL819310 tapered roller bearing cup used for?
The NTN 4T-JL819310 cup is used in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and heavy machinery. It pairs with cone JL819349 to form a complete bearing set for rotating shaft applications.
What are the specifications of the NTN 4T-JL819310 bearing cup?
The NTN 4T-JL819310 is an inch-system tapered roller bearing cup with a 5 5/16 in outer diameter, 0.551 in cup width, and 0.551 in overall width. It is made of alloy steel and is designed to pair with cone part number JL819349.
Where to buy the NTN 4T-JL819310 bearing cup worldwide?
You can source the NTN 4T-JL819310 bearing cup through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the part reaches your facility reliably.
How to select the correct NTN tapered roller bearing cup for an application?
To select the correct NTN cup, match the outer diameter, width, and system of measurement to your housing bore and shaft requirements. The 4T-JL819310 cup is designed for inch-system applications and must be paired with its compatible cone, NTN part JL819349, for proper fit and load capacity.
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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.












