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    About 823 results (0.22s) 
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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
    The designations 145RV2101 (NSK) and 4R2906 (NTN) refer to the same type of high-capacity, four-row cylindrical roller bearing used primarily in heavy-duty applications like rolling mills. 
    Technical Specifications 
    • Structure: 4-Row Cylindrical Roller Bearing
    • Inner Diameter (d): 145 mm
    • Outer Diameter (D): 210 mm
    • Width (B): 155 mm
    • Weight: Approximately 11.5 kg - 12 kg
    • Alternative Designations: FC2942155, 314625, 511605, 29FC21155 
    Key Features 
    • High Radial Load Capacity: Designed for extreme radial loads in steel rolling mills.
    • High Precision: Frequently rated at ABEC-5 or similar for stable, high-speed operation under heavy load.
    • Interchangeability: The 145RV2101 and 4R2906 are often interchangeable, along with Koyo 29FC21155 and FAG Z-511605.
    • Material: Generally manufactured from high-quality bearing steel with a brass cage for durability under high temperatures. 
    Note: For critical applications, always verify exact specifications with the manufacturer (NSK or NTN). 
    • ABEC-5 Quality FC2234120 672722 Cylindrical Roller Bearing For ...
      ABEC-5 Quality FC2234120 672722 Cylindrical Roller Bearing For Steel Mill 110*170*120mm.
      Wuxi FSK Transmission Bearing Co., Ltd
    • FC4058192 313811 512580 Rolling Mill Bearing Four Row ...
      FC4058192 313811 512580 Rolling Mill Bearing Four Row Cylindrical Roller Bearing Bainite Quenching 200*290*192mm * 512580 Deep Gro...
      Wuxi FSK Transmission Bearing Co., Ltd
    • Euro Market FC2945156/C3 313924A Cylindrical Roller Bearings ID ...
      * RS-4960E4 Cylindrical Roller Bearing For Metallurgical Steel Plant. Get Best Price. * Euro Market RS-4856E4 Cylindrical Roller B...
      Wuxi FSK Transmission Bearing Co., Ltd
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    Web results

    bearing 145RV2101


    Tradebearings
    https://www.tradebearings.com › bearing-145rv2101-pro...
    Tradebearings
    https://www.tradebearings.com › bearing-145rv2101-pro...
    The 145RV2101 bearing is a 4-row cylindrical roller bearings with an inner diameter of 145 mm , an outer diameter of 210 mm, a width of 155 mm. together ...Read more
    nsk ntn bearings 145RV2101 4R2906 from www.tradebearings.com
    People also ask
    How to read NSK bearing numbers?
    The designation for the NSK bearing bore indicates the bearing's bore size. A two-digit number is used for bore sizes from 20mm to 480mm. This number is multiplied by five to give the bore size. For example, the code 6318 stands for a deep groove ball bearing with a bore size of 90 mm.

    NSK bearing designation | nomenclature | prefixes | suffixes


    Nodes bearing
    https://www.nodeshk.com › nsk › art › nsk-bearing-nom...
    Nodes bearing
    https://www.nodeshk.com › nsk › art › nsk-bearing-nom...
    How to identify bearings by number?
    Part of a video titled How to Read Bearing Number - YouTube
    1:33
    6:09
    Engineers Guidebook
    YouTube·
    Feb 15, 2026

    How to Read Bearing Number | Bearing Number Meaning |

    YouTube·Engineers Guidebook ·Feb 15, 2026
    YouTube
    In this video
    "...And so on just getting these few codes down gets you most of the way. There. Now for what is arguably the most important part of this basic...."
    From 1:33
    Part of a video titled How to Read Bearing Number - YouTube
    And so on just getting these few codes down gets you most of the way. There. Now for what isMoreAnd so on just getting these few codes down gets you most of the way. There. Now for what is arguably the most important part of this basic.

    How to Read Bearing Number - YouTube


    YouTube
    https://www.youtube.com · Engineers Guidebook
    YouTube
    https://www.youtube.com · Engineers Guidebook
    What does 6203 mean on a bearing?
    The standard 6203 deep groove ball bearing has a 17 mm inner diameter, 40 mm outer diameter, and 12 mm width (17×40×12 mm), equivalent to 0.6693" × 1.5748" × 0.4724".

    Deep Groove 6203 Ball Bearings 17mm X 40mm X 12mm - isk bearings


    isk bearings
    https://iskbearing.com › news › knowledge › the-guide-t...
    isk bearings
    https://iskbearing.com › news › knowledge › the-guide-t...
    Which is better, 2RS or ZZ bearing?
    An error has occurred. Please try again later.

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    Web results

    Heavy Duty 4R2906 29FC21155 Rolling Mill Bearing ...


    Wuxi FSK Transmission Bearing Co., Ltd
    https://www.tapered-rollerbearing.com › sale-53427415...
    Wuxi FSK Transmission Bearing Co., Ltd
    https://www.tapered-rollerbearing.com › sale-53427415...
    Heavy Duty 4R2906 29FC21155 Rolling Mill Bearing Cylindrical Roller Bearing Four Row. Product Details. Place of Origin: CHINA. Brand Name: TIMKEN / NSK / NTN / ...Read more
    5.0 · Review by anonymous

    OEM esg bearings stock lists FC2942155 manufacturer


    esgbearing.com
    https://www.esgbearing.com › esg-bearings-stock-lists-fc...
    esgbearing.com
    https://www.esgbearing.com › esg-bearings-stock-lists-fc...
    Fw, SKF, FAG, NSK, NTN, KOYO, TIMKEN, URB. 145 · 210 · 155 · 166 · FC2942155 · 314625 · 511605 · 145RV2101 · 4R2906 · 29FC21155. A total of. 1. pages. Our ...Read more

    Four Row Cylindrical Roller Bearings


    xyzc-bearing.com
    http://www.xyzc-bearing.com › upload › pdf
    xyzc-bearing.com
    http://www.xyzc-bearing.com › upload › pdf
    PDF
    NSK. NTN. KOYO. FC182870. 90. 140. 70. 105. 1.5. 1.1. 242. 425. 2. 3.78. FC182874. 672718 ... 145RV2101. 4R2906. 29FC21155. FC2945156/YA3. 145. 225. 156. 169. 2.Read more
    10 pages

    Bearing and Linear Replacement Guide (16 MB)


    NSK Global
    https://www.nsk.com › en_us › bearings-americas
    NSK Global
    https://www.nsk.com › en_us › bearings-americas
    PDF
    Rolling bearings use balls or rollers, located between bearing rings, to minimize friction. ... NTN. FAF/TIMKEN. P art Number. Maximum Capacity, Light. 32xx, ...Read more
    434 pages
    Missing: 145RV2101 ‎4R2906

    FAG Rolling Mill Bearings Z-511605.ZL ...


    srgbearing.com
    https://www.srgbearing.com › ... › Rolling Mill Bearings
    srgbearing.com
    https://www.srgbearing.com › ... › Rolling Mill Bearings
    NSK number: 145RV2101. NTN number: 4R2906. KOYO number: 29FC21155. Hot Tags ... NSK Precision Bearing 110BAR10E, 110x170x54mm, High-Speed Angular Contact Thrust ...Read more
    nsk ntn bearings 145RV2101 4R2906 from www.srgbearing.com

    China Bearing Manufacturer Four Row Cylindrical Roller ...


    Laibisheng Bearing (Shandong) Co., Ltd.
    https://sfnbbearing.en.made-in-china.com › product › C...
    Laibisheng Bearing (Shandong) Co., Ltd.
    https://sfnbbearing.en.made-in-china.com › product › C...
    China Bearing Manufacturer Four Row Cylindrical Roller Bearing FC4056200/313893/508726 ; 508726. 313893 ; old code · 502894B ; Skf code · 314190 ; Nsk-code · 160RV2301 ...Read more
    nsk ntn bearings 145RV2101 4R2906 from sfnbbearing.en.made-in-china.com
    $230.00 · In stock · 5.0 · Review by MIC_BUYER · Free delivery

    Four row cylindrical roller bearings FC3856200,equivalent ...


    kortonbearings.com
    http://www.kortonbearings.com › Rolling_mill_bearings
    kortonbearings.com
    http://www.kortonbearings.com › Rolling_mill_bearings
    Four row cylindrical roller bearings FC3856200,equivalent to 510199/314049A ; Z-511605.ZL, 511605, 314625, 145RV2101, 4R2906 ; Z-512580.ZL, 512580, 313811 ...Read more
    nsk ntn bearings 145RV2101 4R2906 from www.kortonbearings.com

    2906 NSK 30mm x 50mm x 14mm


    First Coast Bearing
    https://firstcoastbearing.com › 2906-nsk-30mm-x-50mm...
    First Coast Bearing
    https://firstcoastbearing.com › 2906-nsk-30mm-x-50mm...
    Product Description. Specifications: Part Number: 2906. Brand: NSK. Category: Axial deep groove ball bearings. ID MM: 30 MM. OD MM: 50 MM. W MM: 14 MM.Read more
    Missing: 145RV2101 ‎4R2906

    1X NTN 1210 K Self Aligning Ball Bearing 50x90x20mm


    eBay
    https://www.ebay.com › itm
    eBay
    https://www.ebay.com › itm
    1X NTN 1210 K Self Aligning Ball Bearing 50x90x20mm ; I. integrity store01 (73). 100% positive feedback ; Item description from the seller · Item description:Read more
    nsk ntn bearings 145RV2101 4R2906 from www.ebay.com
    $41.08$46 · In stock · Free delivery
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