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NTN Tapered Roller Bearing Cup: 4 7/16 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 4 7/16 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 55443PW2, part number 55443PW2) is an inch-system cup with a 4 7/16 in outer diameter, a 0.812 in cup width, and a 0.812 in overall width. It is made of alloy steel and is…

SKU 3G-OTH-104420

Brand
NTN
Item
Tapered Roller Bearing Cup: 4 7/16 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd
Category
Tapered Roller Bearing Cups
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Technical Specifications

NTN
Manufacturer Part Number
55443PW2
Type
55443PW2
Cup Wd
0.812 in
Overall Wd
0.812 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
55187C

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 55443PW2, part number 55443PW2) is an inch-system cup with a 4 7/16 in outer diameter, a 0.812 in cup width, and a 0.812 in overall width. It is made of alloy steel and is designed to pair with the NTN 55187C cone. This component is a replacement or assembly part for tapered roller bearing sets.

Frequently Asked Questions

What is the NTN 55443PW2 tapered roller bearing cup used for?

The NTN 55443PW2 cup is a component of a tapered roller bearing set, used in industrial machinery to support radial and axial loads. It pairs with the NTN 55187C cone and is common in gearboxes, conveyors, and heavy equipment where inch-system bearings are specified.

What are the specifications of the NTN 55443PW2 bearing cup?

The NTN 55443PW2 is an inch-system tapered roller bearing cup with a 4 7/16 in outer diameter, a 0.812 in cup width, and a 0.812 in overall width. It is made of alloy steel and is designed to pair with the NTN 55187C cone (manufacturer part number 55187C).

Where to buy the NTN 55443PW2 bearing cup worldwide?

3G Electric supplies the NTN 55443PW2 bearing cup worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NTN component to any country.

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

To select the correct NTN cup, verify the outer diameter (4 7/16 in), cup width (0.812 in), and overall width (0.812 in). Ensure it matches the NTN 55187C cone. Always confirm the system of measurement (inch) and ring material (alloy steel) against your existing bearing assembly.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Cup: 4 13/16 in OD, 1.187 in Cup Wd, 1.187 in Overall Wd, 553X
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NTN Tapered Roller Bearing Cup: 4 13/16 in OD, 1.187 in Cup Wd, 1.187 in Overall Wd, 553X
NTN Tapered Roller Bearing Cup: 4 7/8 in OD, 1.312 in Cup Wd, 1.312 in Overall Wd, 552
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NTN Tapered Roller Bearing Cup: 4 7/8 in OD, 1.312 in Cup Wd, 1.312 in Overall Wd, 552
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NTN Tapered Roller Bearing Cup: 11 13/16 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd, 544118
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NTN Tapered Roller Bearing Cup: 6 1/8 in OD, 3.375 in Cup Wd, 3.375 in Overall Wd, 742D
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NTN Tapered Roller Bearing Cup: 4 5/8 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd, 66462

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