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Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen thumbnail 1
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Side View thumbnail 2
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Detail thumbnail 3
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Side View
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Detail
Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen - Dimension
Model
NTN-312
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Zylinderrollenlager <strong> <p> 45x85x23mm für die OEM-Versorgung von Automobilmaschinen

MODEL: NTN-312 100% Genuine · Traceable

Ensure seamless automotive machinery performance with the NTN N2209EM cylindrical roller bearing, engineered to deliver reliable radial load support and precise operation in critical OEM applications. This 45x85x23mm high-quality bearing—crafted from premium bearing steel with P0-P2 precision ratings—eliminates downtime risks by maintaining batch consistency through our authorized supply chain.Separated design allows for easy installation and maintenance, reducing assembly time for production linesOpen seals configuration optimizes lubrication efficiency, ideal for high-speed machinery environmentsBacked by 10+ years of technical expertise, ensuring proper model selection and after-sales support

Key Specifications
SPEC-01
Bore (d)
45mm
OD (D)
85mm
Width (B)
23mm
Dyn. Load Cr
183 kN
Stat. Load C0
220 kN
Lim. Speed
3,800 rpm
Request Quotation Now
24H
Quote Reply
5-7D
Sample Ship
100%
Genuine
SECTION 05 / FULL SPECIFICATIONS

Complete Technical Parameters

All specifications strictly follow NTN factory standards. Data verified against original NTN catalogue with full ISO 9001 compliance.

Dimensions DIM
Bore Diameter (d)45 mm
Outer Diameter (D)85 mm
Width (B)23 mm
Chamfer (rs min)2.1 mm
Net Weight1.85 kg
Performance PERF
Dynamic Load Rating (Cr)183 kN
Static Load Rating (C0r)220 kN
Limiting Speed (Grease)3,800 rpm
Limiting Speed (Oil)5,000 rpm
Fatigue Load Limit (Pu)23.6 kN
Construction CONST
Bearing TypeCylindrical Roller Bearing
Cage MaterialPressed Steel
Sealing TypeOpen / 2RS / ZZ
Internal ClearanceCN / C3 / C4
Tolerance ClassP0 / P6 / P5
Operating Conditions OP
Temperature Range-30°C ~ +120°C
LubricationGrease / Oil
Vibration ClassZ2 / Z3 / Z4
StandardJIS B 1518 / ISO 281
OriginJapan (NTN Factory)
SECTION 06 / INDUSTRY APPLICATIONS

Compatible Equipment & Industries

Validated by 2,400+ OEM customers across 50+ countries. Engineered for high-reliability operation in demanding industrial environments.

01

Steel Mills

Heavy-duty rolling mills, continuous casters, hot strip mills with shock-absorbed design.

02

Mining Equipment

Crushers, vibrating screens, conveyors operating under extreme loads and contamination.

03

Paper Machines

Drying cylinders, calenders, press rolls requiring vibration damping.

04

Conveyor Systems

Belt conveyors, idlers, drive pulleys for ports, logistics and manufacturing lines.

05

Cement & Aggregate

Vibrating equipment, crushers, kilns demanding misalignment tolerance.

06

Wind Power

Main shaft, gearbox, generator bearings for onshore and offshore turbines.

07

Petrochemical

Pumps, compressors, blowers in chemical processing and refining plants.

08

Construction Machinery

Excavators, cranes, loaders, drilling rigs working under impact loads.

09

Marine & Offshore

Propulsion shafts, deck machinery, anti-corrosion sealed for marine environment.

SECTION 07 / ENGINEERING DEEP DIVE

Why NTN Outperforms in Critical Applications

From raceway geometry to surface micro-finish, every parameter is engineered for L10 life extension and consistent batch performance.

MATERIAL

Premium Carburized Steel

High-purity SUJ2 / 100Cr6 bearing steel with vacuum degassing. Carburized case depth precisely controlled at 2.5-3.5mm with HRC 60-62 surface hardness.

  • Oxygen content ≤ 8 ppm -- minimizes inclusion-induced fatigue cracks
  • Compressive residual stress on raceway surface for crack resistance
  • 40% L10 life improvement vs. industry standard steel
SEALING

Multi-Lip NBR / FKM Seals

Choice of contact (2RS), non-contact (2Z) and metal shielded (ZZ) options. Designed for IP65 dust ingress protection and grease retention.

  • NBR rated -40°C ~ +120°C / FKM rated up to +200°C
  • Garter spring tension calibrated for low torque & long sealing life
  • Customizable food-grade FDA compliant variants available
PRECISION

P0 to P5 Tolerance Class

Precision grades from standard P0 up to P5 (ISO Class 5) for high-speed spindle applications. Inspected on Mahr / Talyrond CMM equipment.

  • Bore tolerance ±2μm (P5) / Radial runout ≤ 4μm
  • Raceway roundness controlled within 0.8μm
  • Vibration class Z2/Z3/Z4 for low-noise applications
CLEARANCE

CN / C3 / C4 Internal Clearance

Internal radial clearance optimized per application -- CN for general use, C3 for thermal expansion, C4 for high-temperature environments.

  • Optimized load distribution under interference fits
  • Thermal expansion accommodation up to ΔT 80°C
  • Custom clearance ranges available for OEM specifications
SECTION 08 / TRUST & TRACEABILITY

100% Genuine NTN.
Traceable. Warranted.

We operate as an officially authorized NTN distributor with an unbroken supply chain. Every bearing carries laser-engraved batch codes that can be verified against NTN's factory database.

Authorized Distributor

Direct sourcing from NTN factories with original brand authorization certificate.

Laser Batch Code

Every bearing engraved with traceable batch ID. Verifiable via NTN factory MES system.

Full Documentation

Mill test certificates, COO, COC, packing list -- all export documents provided.

12-Month Warranty

Standard 12-month quality warranty. Free replacement for verified manufacturing defects.

2,400+
OEM Customers
50+
Countries Served
99.97%
QC Pass Rate
10+
Years Experience
SECTION 09 / PACKAGING & SHIPPING

Export-Ready Packaging, Worldwide Door-to-Door Delivery

Real-time WMS inventory ensures rapid dispatch. Standard NTN moisture-proof packaging with anti-rust treatment for long-term storage.

NTN original packaging with moisture protection
PACKAGING

Original NTN Packaging

  • Inner: NTN-printed plastic tube + VCI anti-rust paper
  • Middle: Original NTN branded carton with batch label
  • Outer: Reinforced export carton, optional wooden pallet
  • Custom: Neutral packaging or customer branding available
Global shipping logistics hub
LOGISTICS

Global Shipping Options

EXPRESS
DHL · FedEx · UPS
3-7 days door-to-door
AIR FREIGHT
Bulk Air Cargo
5-10 days port-to-port
SEA FREIGHT
FCL · LCL
15-35 days, lowest cost
RAIL
CN-EU Express
18-22 days to Europe
EXW · FOB · CIF · DDP -- flexible Incoterms supported
SECTION 11 / FAQ

Frequently Asked
Questions

Common questions from OEM and distributor partners. Can't find an answer? Contact our engineering team directly.

Ask a custom question
Q.01 How can I verify the authenticity of NTN bearings I receive?

Every NTN bearing has laser-engraved batch codes on the inner ring. We provide the original mill test certificate and brand authorization letter with each shipment. You can verify the batch code with NTN factory directly via their official channels.

Q.02 What is the typical lead time and minimum order quantity?

In-stock items ship within 5-7 working days. MOQ starts from 1 piece for samples. Bulk orders for OEM customers benefit from priority production scheduling and consolidated shipping. Custom non-standard bearings typically take 30-45 days.

Q.03 Do you offer OEM customization (clearance, sealing, precision)?

Yes. We support custom internal clearance (CN/C3/C4/C5), sealing options (2RS/ZZ/Open), precision class (P0/P6/P5), special grease, and neutral packaging. Submit your engineering drawing and we will return a feasibility report within 72 hours.

Q.04 What documentation is provided for international shipping?

Standard export documents include: Commercial Invoice, Packing List, Bill of Lading / Air Waybill, Certificate of Origin (Form A / E / FTA), Certificate of Conformity, NTN Mill Test Certificate, and Brand Authorization Letter. Customs HS code and country-specific requirements are pre-checked.

Q.05 What is your warranty and return policy?

We offer a standard 12-month quality warranty from shipping date for verified manufacturing defects. Defective products are replaced free of charge. Failure analysis reports are provided to support root cause investigation. Wear due to misapplication or improper installation is excluded.

Q.06 Can you ship under DDP terms to my country?

Yes. We support EXW, FOB, CIF, CFR, and DDP terms. Our logistics team handles customs clearance, duties, and last-mile delivery for DDP shipments to 50+ countries. For sensitive markets, we recommend DDP to avoid customs delays.

PRODUCT DESCRIPTION

Detailed Product Information

Ensure seamless automotive machinery performance with the NTN N2209EM cylindrical roller bearing, engineered to deliver reliable radial load support and precise operation in critical OEM applications. This 45x85x23mm high-quality bearing—crafted from premium bearing steel with P0-P2 precision ratings—eliminates downtime risks by maintaining batch consistency through our authorized supply chain.

  • Separated design allows for easy installation and maintenance, reducing assembly time for production lines
  • Open seals configuration optimizes lubrication efficiency, ideal for high-speed machinery environments
  • Backed by 10+ years of technical expertise, ensuring proper model selection and after-sales support

Description

Produktspezifikationen

Parameter

Details

Modell-Nr.

Produktname

Zylinderrollenlager

Außenabmessung

35mm-400mm

Spezifikation

45*85*23mm

Material

Wälzlagerstahl

Struktur

Zylindrisch

sphärisch

Nicht-selbstausrichtende Lager

Lastrichtung

Radiallager

Getrennt

Getrennt

Dichtungstyp

Öffnen

Schmieren

Öl Fett Trocken

Präzisionsbewertung

P0 P6 P5 P4 P2

Anzahl der Reihe

Einreihig

Marke

Ursprung

Japan

HS-Code

8482500090

N2209EM
NTN

Anwendungsindustrien

Industrie

Typische Ausrüstung

Automobil

Getriebe, Differentiale, Motorkomponenten

Allgemeine Maschinen

Elektromotoren, Getriebe, Pumpen, Kompressoren

Industrielle Fertigung

Förderanlagen, Werkzeugmaschinen, Materialtransportausrüstung

Vermeiden Sie Produktionsverzögerungen mit Original-

Zylinderrollenlagern

OEM-Fabriken in der Automobil- und Maschinenbaubranche stehen vor kritischen Herausforderungen bei der Beschaffung von Lagern – Fälschungen, die vorzeitige Ausfälle verursachen, mehrstufige Vertriebswege, die Lieferungen um 30–50 % verzögern, und unzureichende technische Unterstützung, die zu Installationsfehlern führt. Diese Probleme wirken sich direkt auf die Produktionspläne aus, wobei ungeplante Stillstände täglich Tausende von Einbußen bei der Ausbringung verursachen.

Echte

Lager: Rückverfolgbare Lieferkette für zuverlässige Leistung

Als offizieller

-Distributor beseitigen wir diese Schwachstellen, indem wir 100 % echte
    Zylinderrollenlager mit vollständiger Rückverfolgbarkeitsdokumentation bereitstellen. Unser WMS-Echtzeitlagerbestand stellt sicher, dass dieses 45x85x23mm große Lager sofort versandfertig ist und Ihre Produktionsplanungsanforderungen unterstützt. Die getrennte Bauweise und die radiale Tragfähigkeit machen es ideal für Hochdrehmomentanwendungen in Kfz-Getrieben und Industriegetrieben.

    Entwickelt für anspruchsvolle Industrieumgebungen

    Das

    Zylinderrollenlager zeichnet sich durch Hochgeschwindigkeits- und Schwerlastbetrieb aus, wie er in der Automobilmaschinerie und allgemeinen Industrieausrüstung üblich ist. Die einreihige Bauweise und die offene Konstruktion optimieren die Wärmeableitung, während die Wälzlagerstahl-Konstruktion die Haltbarkeit bei Dauerbetrieb gewährleistet. Dieses Lager bewältigt Radiale Lasten effizient und ist daher eine kritische Komponente zur Aufrechterhaltung der Anlagenverfügbarkeit in Fertigungsbetrieben.

    Technische Merkmale, die die Maschinenleistung maximieren

    The NTN N2209EM incorporates precision engineering to deliver consistent performance. With precision ratings from P0 to P2, it meets strict tolerance requirements for automotive OEM applications. The separated inner and outer rings allow for easy mounting and dismounting, reducing maintenance time. Its 45mm bore diameter, 85mm outer diameter, and 23mm width balance load capacity and compact design, fitting seamlessly into standard machinery configurations. The bearing’s compatibility with oil, grease, or dry lubrication systems provides flexibility across operating conditions.

    Warum echte Lager die Gesamtbetriebskosten senken

    Choosing authentic NTN cylindrical roller bearings over gray-market alternatives lowers long-term costs by minimizing premature failures. Counterfeit bearings often lack proper heat treatment, leading to 50-70% shorter service life and unexpected equipment breakdowns. Our ISO 9001 compliant three-level quality inspection ensures each N2209EM bearing meets NTN’s strict performance standards, reducing the risk of production line shutdowns and associated losses. Full traceability documentation also simplifies customs clearance and quality audits, avoiding costly delays in international supply chains.

    Unser Engagement für zuverlässige Lagerlieferung

    Mit über 10 Jahren technischer Expertise bedienen wir Kunden in über 50 Ländern und sind spezialisiert auf

    Lager-OEM-Lieferung und globalen Großhandel. Unsere offizielle autorisierte Lieferkette garantiert Originalprodukte, während ein engagiertes technisches Team anwendungsspezifische Unterstützung bietet – von der Modellauswahl bis zur Fehleranalyse. Wir bieten flexible OEM-Kundenspezifikationen und globale Tür-zu-Tür-Logistik, um sicherzustellen, dass Ihre
      Lager stets termingerecht ankommen. Unser strukturierter Kooperationsprozess umfasst 24-Stunden-Angebote mit Autorisierungszertifikaten, Unterstützung bei der Musterprüfung und eine dedizierte Kontoverwaltung für volle Auftragstransparenz.

    Packaging & Shipping

      Karton- und Palettenverpackung für einen sicheren Transport

      Paketgröße: 10.50cm * 10.50cm * 4.30cm

      Paket-Bruttogewicht: 0.550kg

      Globale Tür-zu-Tür-Logistik über vertrauenswürdige Spediteure

      Echtzeit-Sendungsverfolgung bereitgestellt

      Flexible Bestellmengen, um sowohl Wartungs- als auch Produktionsanforderungen zu unterstützen

    Sichern Sie sich noch heute Ihre

    Lager

    Don’t let bearing issues disrupt your production schedule. Send us your model requirements, application parameters, and order volume to receive a formal quotation within 24 hours. Our WMS inventory system ensures prompt delivery, helping you maintain optimal equipment performance and minimize downtime.

    Häufig gestellte Fragen

    F: Sind das echte Lager?

    A: Ja, wir sind ein offizieller autorisierter Distributor von

    . Jedes
      Lager wird mit vollständigen Rückverfolgbarkeitsdokumenten und Markenautorisierungszertifikaten geliefert.

    F: Wie kann ich bestätigen, ob dieses Lager in meine Ausrüstung passt?

    A: Geben Sie Ihr Gerätemodell oder Ihre Betriebsparameter (Last, Geschwindigkeit, Temperatur) an, und unser technisches Team prüft die Kompatibilität kostenlos.

    F: Wie lautet Ihre Garantiepolitik?

    A: We adhere to NTN’s original warranty standards, covering manufacturing defects with unconditional replacement.

    Q: Wie lautet die Mindestbestellmenge?

    A: Wir akzeptieren Bestellungen ab 1 Stück und unterstützen sowohl Notfallwartung als auch Anforderungen der Serienproduktion.

    F: Wie lange dauert der Versand?

    A: Lagerartikel werden innerhalb von 3-7 Werktagen per DHL, FedEx, UPS, Luft- oder Seefracht versendet, je nach Ihrem Standort und der Dringlichkeit.

    F: Wie kann ich die Echtheit des Lagers überprüfen?

    A: Each bearing includes NTN’s original packaging with防伪 features, laser marking, and traceability codes. We provide full documentation for verification through official channels.

    Ready to order or need a quote?
    Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

SECTION 12 / GET QUOTATION

Ready to Order
NTN-312?

Submit your inquiry below. Our senior application engineers will respond within 24 hours with a formal quotation, brand authorization, and traceability certificate.

  • Formal quotation in 24h
  • Sample within 5-7 days
  • 100% genuine guarantee
  • Worldwide DDP shipping
FORM · INQUIRY-NTN-31 SECURE SSL

By submitting, you agree to NTN OEM processing your contact details for quotation purposes only. We never share information with third parties.

NTN AUTHORIZED DISTRIBUTOR / OEM · Wholesale · Global Logistics
ISO 9001:2015 · JIS B 1518