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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    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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    Web results

    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
    People also ask
    How to identify an original NTN bearing?
    NTN original bearings arrive in tamper-proof packaging with these security features:
    1. Holographic Seals: Tilt the box to see NTN's logo shift color (green to blue).
    2. QR Codes: Scan with NTN's official app for instant authentication.
    3. Crisp Branding: Laser-printed text with sharp edges—no smudges or spelling errors.
    Jul 25, 2025

    How to Spot Genuine NTN Bearings? – JKBH Guide


    Jai Krishna Bearing House
    https://www.jaikrishnabearing.com › blog › how-to-spot-...
    Jai Krishna Bearing House
    https://www.jaikrishnabearing.com › blog › how-to-spot-...
    How to identify the bearing number?
    Bearing model numbers consist of three parts: Basic Model Number: Defines the bearing type and size. For example, 6204 means Type 62 and Bore 04 (equivalent to 20mm inner diameter). Suffix code: Indicates features such as sealing structure, precision level, and internal clearance.

    Bearing Number Meaning – How to Choose the Right Bearing


    isk bearings
    https://iskbearing.com › news › knowledge › what-is-bea...
    isk bearings
    https://iskbearing.com › news › knowledge › what-is-bea...
    What does ntn mean on a bearing?
    Understanding NTN Bearings. NTN is abbreviated from “Nippon Thompson Nippon” and are recognised among the industry for the high quality, professionally crafted bearings they create and supply to companies like ours at Aire Velo Bearings.Apr 7, 2023

    What Does NTN Stand For in Bike Bearings?


    Airevelo Bearings
    https://www.airevelobearings.com › what-does-ntn-stand...
    Airevelo Bearings
    https://www.airevelobearings.com › what-does-ntn-stand...
    Are NTN bearings any good?
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    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
    NTN bearings 4R3426 4R3443 from ntn.ca

    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
    5.0 · 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
    NTN bearings 4R3426 4R3443 from www.scribd.com
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