{"id":9530,"date":"2025-02-26T02:53:20","date_gmt":"2025-02-26T02:53:20","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&p=9530"},"modified":"2025-05-12T09:48:07","modified_gmt":"2025-05-12T09:48:07","slug":"double-row-cylindrical-roller-bearings","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/de\/produkt\/double-row-cylindrical-roller-bearings\/","title":{"rendered":"Zweireihige Zylinderrollenlager"},"content":{"rendered":"

Introduction of Double Row Cylindrical Roller Bearings<\/h2>\n

Double row Cylindrical Roller Bearings<\/strong><\/a> belong to one kind of Zylinderrollenlager<\/strong><\/a>, which have the advantages of compact structure, high rigidity, large load carrying capacity, small deformation after load, etc. They are especially suitable for machine tool spindle support. According to the different structure of the loaded rolling elements, double row cylindrical roller bearings can be divided into various types, such as NN type, NNF type, etc., and each type has its own specific application scenarios and advantages. For example, NNF type bearings can withstand large radial and axial loads, as well as tilting moments, so they are often used as fixed end bearings.<\/p>\n

\"Double<\/p>\n

Wesentliche Merkmale:<\/h2>\n
    \n
  • Zweireihiges Design<\/strong>: Zwei Reihen zylindrischer Rollen in einem einzigen Lager bieten eine gr\u00f6\u00dfere Kontaktfl\u00e4che, die die Tragf\u00e4higkeit und Steifigkeit erh\u00f6ht.<\/li>\n
  • Axiale Belastbarkeit<\/strong>: Neben der hohen radialen Tragf\u00e4higkeit k\u00f6nnen zweireihige Zylinderrollenlager auch axiale Belastungen in beiden Richtungen aufnehmen und eignen sich daher f\u00fcr kombinierte Lastf\u00e4lle.<\/li>\n
  • Hohe Steifigkeit<\/strong>: Die zweireihige Struktur f\u00fchrt zu einer h\u00f6heren Steifigkeit und macht diese Lager ideal f\u00fcr Anwendungen mit hoher Pr\u00e4zision und hoher Steifigkeit.<\/li>\n
  • Geringe Reibung und geringer Temperaturanstieg<\/strong>: Die stark verringerte Reibung tr\u00e4gt zur Verringerung der W\u00e4rmeentwicklung bei, wodurch die Lager an die Ausr\u00fcstung von Hochgeschwindigkeitsanwendungen angepasst werden k\u00f6nnen.<\/li>\n<\/ul>\n

    Teilweise Produktparametertabelle<\/h2>\n\n\n\n\n\n\n\n\n\n
    Modell<\/span><\/th>\nInnendurchmesser (mm)<\/span><\/th>\n\u00c4u\u00dferer Durchmesser (mm)<\/span><\/th>\nBreite (mm)<\/span><\/th>\nDynamische\/statische Tragf\u00e4higkeit (kN)<\/span><\/th>\nDrehzahlbereich (U\/min)<\/span><\/th>\nGewicht (kg)<\/span><\/th>\n<\/tr>\n<\/thead>\n
    NNU 4952<\/td>\n260<\/td>\n360<\/td>\n80<\/td>\n460\/340<\/td>\n2500<\/td>\n13.5<\/td>\n<\/tr>\n
    31310A<\/td>\n50<\/td>\n110<\/td>\n27<\/td>\n23\/15<\/td>\n4500<\/td>\n1.5<\/td>\n<\/tr>\n
    NN3009K<\/td>\n45<\/td>\n75<\/td>\n23<\/td>\n20\/13<\/td>\n5000<\/td>\n0.55<\/td>\n<\/tr>\n
    NNF 5024<\/td>\n120<\/td>\n180<\/td>\n46<\/td>\n120\/85<\/td>\n3000<\/td>\n4.0<\/td>\n<\/tr>\n
    30312A<\/td>\n60<\/td>\n130<\/td>\n31<\/td>\n25\/14<\/td>\n4200<\/td>\n1.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Applications of Double Row Cylindrical Roller Bearings<\/h2>\n

    Double row cylindrical roller bearings play a significant role in many heavy machinery fields such as machine tools, metallurgy, mining, petroleum, chemical industry and cement. The significant performance characteristics of this bearing include excellent heavy load bearing capacity, so that it can easily meet the challenges of heavy machinery; at the same time, it can also effectively withstand the radial and axial composite load, to ensure the smooth and reliable operation of the equipment. In addition, double row cylindrical roller bearing shows strong speed adaptability, whether low speed or high speed operation, can maintain excellent performance. Its high-precision design enhances the stability and accuracy of the work, providing a solid guarantee for various industrial applications. In summary, double row cylindrical roller bearing have been widely used and recognised in many industrial fields due to their excellent performance characteristics.<\/p>\n

    applications, double row cylindrical roller bearing offers a combination of strength, reliability, and long service life.<\/p>\n

    \"\" \"\"<\/p>\n

    FAQ<\/h2>\n

    1. K\u00f6nnen zweireihige Zylinderrollenlager demontiert und montiert werden? <\/b><\/strong><\/p>\n

    Zweireihige Zylinderrollenlager k\u00f6nnen demontiert werden, sind aber nach der Demontage nicht mehr verwendbar. Die Innen- und Au\u00dfenringe dieser Lager sind trennbar konstruiert, m\u00fcssen aber bei normalem Gebrauch fest sitzen, um die rotierenden Teile zu st\u00fctzen.<\/b><\/strong><\/p>\n

    <\/b>2. Welche Arten von zweireihigen Zylinderrollenlagern sind \u00fcblich?<\/b><\/strong><\/p>\n

    Zweireihige Zylinderrollenlager k\u00f6nnen in NNU, NN und andere Modelle eingeteilt werden, je nachdem, ob der Bund eine Abrisskante hat oder nicht. Diese Lager sind f\u00fcr die Aufnahme von schweren Lasten und Sto\u00dfbelastungen geeignet und eignen sich auch f\u00fcr Hochgeschwindigkeits-Drehvorg\u00e4nge.<\/b><\/strong><\/p>\n

    \u00a03. <\/b><\/strong><\/b>Wie baut man zweireihige Zylinderrollenlager richtig ein? <\/b><\/strong><\/p>\n

    Die Montage von zweireihigen Zylinderrollenlagern kann durch Einpressen oder Warmeinbau erfolgen. Beim Einpressen mit einer Presse ist darauf zu achten, dass der Innenring des Lagers in engem Kontakt mit der Wellenschulter steht, um ein Eindr\u00fccken oder Quetschen der Laufbahn zu vermeiden. Bei gro\u00dfen Lagern ist die Warmeinbaumethode besser geeignet, d. h. das Lager wird in \u00d6l erw\u00e4rmt und ausgedehnt und dann auf die Welle montiert, um eine \u00fcberm\u00e4\u00dfige Krafteinwirkung auf das Lager zu vermeiden.<\/b><\/strong><\/p>\n

    <\/b>4. Zweireihige Zylinderrollenlager bei der Verwendung des Prozesses, welcher Fehler kann auftreten?<\/b><\/strong><\/p>\n

    Zu den m\u00f6glichen Ausf\u00e4llen von zweireihigen Zylinderrollenlagern w\u00e4hrend des Gebrauchs geh\u00f6rt der Bruch der Innen- oder Au\u00dfenringe. Diese Ausf\u00e4lle k\u00f6nnen durch \u00fcberm\u00e4\u00dfige Belastungen beim Einbau, gro\u00dfe St\u00f6\u00dfe oder wiederholte Sto\u00dfbelastungen verursacht werden. Dar\u00fcber hinaus k\u00f6nnen auch schlechte Schmierungsbedingungen des Lagers zu Ausf\u00e4llen f\u00fchren.<\/b><\/strong><\/p>","protected":false},"excerpt":{"rendered":"

    Hohe Tragf\u00e4higkeit, niedriger Reibungskoeffizient, hohe Steifigkeit, axiale Verschiebungsausgleichsf\u00e4higkeit, verschiedene Typen, einfache Montage und Demontage. Anwendungen: Einsatz in Werkzeugmaschinenspindeln, Walzwerken, Hebezeugen, Getrieben, Elektromotoren und anderen Industriebereichen, insbesondere dort, wo hohe Steifigkeit, hohe Pr\u00e4zision und hohe Belastungen erforderlich sind.<\/p>","protected":false},"featured_media":9550,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[240,242],"product_tag":[262],"yoast_head":"\nChina Wholesale Double Row Cylindrical Roller Bearings Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Double Row Cylindrical Roller Bearings distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.skf-eu.com\/de\/produkt\/double-row-cylindrical-roller-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Double Row Cylindrical Roller Bearings Supplier - 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