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NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 5 3/8 in OD, 2.125 in Cup Wd, 2.125 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 805ZK1) is an inch-system cup with a 5 3/8 in outer diameter, 2.125 in cup width, and 2.125 in overall width. It is made of alloy steel and carries manufacturer part number…

SKU 3G-OTH-108426

Brand
NTN
Item
Tapered Roller Bearing Cup: 5 3/8 in OD, 2.125 in Cup Wd, 2.125 in Overall Wd
Category
Tapered Roller Bearing Cups
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Technical Specifications

NTN
Manufacturer Part Number
493D
Type
493D
Cup Wd
2.125 in
Overall Wd
2.125 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
NA495A
View Full Spec Sheet

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Cup (SKU 805ZK1) is an inch-system cup with a 5 3/8 in outer diameter, 2.125 in cup width, and 2.125 in overall width. It is made of alloy steel and carries manufacturer part number 493D, designed to pair with compatible cone part number NA495A.

Frequently Asked Questions

What is the NTN 493D tapered roller bearing cup used for?

The NTN 493D cup is used in heavy-duty industrial applications requiring high radial and axial load capacity, such as gearboxes, conveyors, and mining equipment. It pairs with cone NA495A to form a complete tapered roller bearing assembly.

What are the specifications of the NTN 493D bearing cup?

The NTN 493D cup has a 5 3/8 in outer diameter, 2.125 in cup width, and 2.125 in overall width. It is made of alloy steel, uses inch-system measurement, and is designed to pair with compatible cone part number NA495A.

Where to buy NTN 493D bearing cups worldwide?

3G Electric supplies the NTN 493D bearing cup worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine NTN components to support your maintenance and production needs across all regions.

How to install an NTN 493D tapered roller bearing cup?

Install the NTN 493D cup by pressing it squarely into the housing bore using an arbor press or suitable driver, ensuring it seats fully against the shoulder. Apply a light oil film to the cup bore before mounting the cone NA495A. Always follow manufacturer guidelines for proper fit and preload.

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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