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NTN Tapered Roller Bearing Cup: 4 21/64 in OD, 0.866 in Cup Wd, 0.866 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 4 21/64 in OD, 0.866 in Cup Wd, 0.866 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 806AJ5) is an inch-system cup with a 4 21/64 in outer diameter, 0.866 in cup width, and 0.866 in overall width. Made from alloy steel, this cup is designed for use with the…

SKU 3G-OTH-112017

Brand
NTN
Item
Tapered Roller Bearing Cup: 4 21/64 in OD, 0.866 in Cup Wd, 0.866 in Overall Wd
Category
Tapered Roller Bearing Cups
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Technical Specifications

NTN
Manufacturer Part Number
4T-394
Type
4T-394
Cup Wd
0.866 in
Overall Wd
0.866 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
395S
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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Cup (SKU 806AJ5) is an inch-system cup with a 4 21/64 in outer diameter, 0.866 in cup width, and 0.866 in overall width. Made from alloy steel, this cup is designed for use with the compatible cone manufacturer part number 395S. It is identified by manufacturer part number 4T-394.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN Tapered Roller Bearing Cup 4T-394 used for?

The NTN Tapered Roller Bearing Cup 4T-394 is used in industrial machinery to support radial and axial loads. It pairs with cone 395S to form a complete tapered roller bearing assembly, commonly applied in gearboxes, conveyors, and automotive drivetrains.

What are the specifications of the NTN Tapered Roller Bearing Cup 4T-394?

The NTN Tapered Roller Bearing Cup 4T-394 has an inch-system design with a 4 21/64 in outer diameter, 0.866 in cup width, and 0.866 in overall width. It is made from alloy steel and is compatible with cone manufacturer part number 395S.

Where to buy the NTN Tapered Roller Bearing Cup 4T-394 worldwide?

You can source the NTN Tapered Roller Bearing Cup 4T-394 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the bearing cup reaches your facility reliably.

How to select the correct NTN tapered roller bearing cup for an application?

To select the correct NTN tapered roller bearing cup, match the cup outer diameter and width to your housing dimensions, and ensure the cup part number (e.g., 4T-394) is compatible with the cone part number (e.g., 395S). Verify the system of measurement—inch or metric—and confirm the alloy steel ring material meets load requirements.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

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.

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