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NTN 4R3426 and 4R3443 are four-row cylindrical roller bearings specifically designed for heavy-duty industrial applications, particularly for the roll necks of steel rolling mills. These bearings are specialized components aimed at providing maximum load capacity in demanding, high-impact environments.

Key Specifications & Features

Bearing Type: Four-row cylindrical roller bearings (4R).
Dimensions: Often found in the 170x230x120 mm range (inner diameter x outer diameter x width) for similar series 4R34xx bearings, though specific data for 4R3426 and 4R3443 should be verified against the official NTN Large Bearings Catalog.
Usage: Designed for heavy-duty rolling mill equipment.
Interchangeability: The "4R" designation is generally consistent, though part numbers may vary slightly between brands (e.g., FAG/SKF).
Design: These are commonly used with double inner rings and are often inseparable to allow for easier installation.

Typical Applications

Steel rolling mills
Metal manufacturing equipment
Heavy-duty reduction gearboxes

For precise, technical data sheets, including load ratings (dynamic and static), it is recommended to contact NTN Engineering directly or refer to the NTN Large Bearings Catalog, as these products are tailored for specific, large-scale industrial machinery.

Products for Metals Industry
Please contact NTN Engnieering for more information. Size Charts. Sealed Four Row Tapered Roller Bearings. Shaft diameter d 140 ~ ...
NTN Canada
Four-Row Cylindrical Roller Bearings - NTN Global
1) The bearings are mainly used in the roll necks of steel rolling mills and designed so that the load rating is maximized in the.
NTN Global
Products for Metals Industry
Double inner rings are inseparable for easier installation. ... Cracking strength is improved by using case hardened steel (carbur...
NTN Europe

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Four-Row Cylindrical Roller Bearings

NTN Global

https://www.ntnglobal.com › catalog › pdf

NTN Global

https://www.ntnglobal.com › catalog › pdf

PDF

1) The bearings are mainly used in the roll necks of steel rolling mills and designed so that the load rating is maximized in the.Read more

NTN bearings 4R3426 4R3443 from www.ntnglobal.com

LARGE BEARINGS

NTN Europe

https://www.ntn-snr.com › en_ntn_large_bearings

NTN Europe

https://www.ntn-snr.com › en_ntn_large_bearings

PDF

The basic dynamic load ratings given in the bearing tables of this catalog are for bearings constructed of NTN standard bearing materials, using standard ...Read more

337 pages

Web results

Quadruple Row Cylindrical Roller Bearings

NTN Bearing Finder

https://bearingfinder.ntnamericas.com › viewitems › qu...

NTN Bearing Finder

https://bearingfinder.ntnamericas.com › viewitems › qu...

Quadruple Row Cylindrical Roller Bearings ; 4R3426, d N/A 6.6929 in170.000 mm ; 4R3429, d N/A 6.6929 in170.000 mm ; 4R3431, d N/A 6.6929 in170.000 mm ; 4R3432, d N/ ...Read more

NTN bearings 4R3426 4R3443 from bearingfinder.ntnamericas.com

Missing: ~~4R3443~~ ‎| Show results with: 4R3443

Products for Metals Industry

NTN Canada

https://ntn.ca › wp-content › uploads › 2022/02

NTN Canada

https://ntn.ca › wp-content › uploads › 2022/02

PDF

Please contact NTN Engnieering for more information. Size Charts. Sealed Four Row Tapered Roller Bearings. Shaft diameter d 140 ~ 711.200 mm.Read more

OEM steel mill bearings 170RV2301 manufacturer | ESG Bearing

esgbearing.com

https://www.esgbearing.com › steel-mill-bearings-170rv2...

esgbearing.com

https://www.esgbearing.com › steel-mill-bearings-170rv2...

Fw, SKF, FAG, NSK, NTN, KOYO, TIMKEN, URB. 170 · 230 · 120 · 187 · FC3446120 · 170RV2301 · 4R3426/4R3443 · 34FC23120. A total of. 1. pages. Our Products ...

gENERAL LlST

timbearing.com

https://timbearing.com › images › CAT › NTN-S...

timbearing.com

https://timbearing.com › images › CAT › NTN-S...

PDF

NTN-SNR ROULEMENTS, part of the 3rd largest bearing manufacturing group in the world, is a major force as a designer, developer and manufacturer.Read more

NTN Bearing Finder: Online Catalog and Interchange

NTN Bearing Finder

https://bearingfinder.ntnamericas.com

NTN Bearing Finder

https://bearingfinder.ntnamericas.com

Customizable search tool featuring exhaustive data sets, comprehensive part interchanges and interactive CAD drawings.Read more

Missing: ~~4R3426~~ ‎~~4R3443~~

Four Row R 313812 Cylindrical Roller Bearing , Chrome ...

Wuxi FSK Transmission Bearing Co., Ltd

https://www.tapered-rollerbearing.com › sale-8011163-...

Wuxi FSK Transmission Bearing Co., Ltd

https://www.tapered-rollerbearing.com › sale-8011163-...

Four Row R 313812 Cylindrical Roller Bearing , Chrome Steel Rolling Mill Bearings. Product Details. Place of Origin: CHINA. Brand Name: FAG / NKS / NTN / KOYO / ...Read more

· Review by anonymous

4R2832 NTN Four Row Cylindrical Roller Bearing - SKF Bearing ...

whcdbearings.com

https://whcdbearings.com › NTN BEARING

whcdbearings.com

https://whcdbearings.com › NTN BEARING

4R2832 NTN Four Row Cylindrical Roller Bearing ; 240 170 170, 980 2290, 4R3225, 1 ; 170, 230 120 120, 620 1520, 4R3426, 1 ; 230 120 120, 620 1520, 4R3443, 3 ...

NTN Large Bearings Catalog | PDF

Scribd

https://www.scribd.com › document › Ntn-Large-Beari...

Scribd

https://www.scribd.com › document › Ntn-Large-Beari...

For information concerning other bearings or bearings using US customary unit, please contact NTN Engineering. ... 4R3426 4R3443 4R3429 4R3423 4R3432 4R3428Read more