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Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm thumbnail 1
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Side View thumbnail 2
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Detail thumbnail 3
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Side View
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Detail
Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm - Dimension
Model
NTN-756
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Rodamiento de rodillos cilíndricos de alta precisión </p> <p> para maquinaria automotriz 65x140x48mm

MODEL: NTN-756 100% Genuine · Traceable

Ensure seamless performance in your automotive machinery with the NTN N2313EM cylindrical roller bearing, designed to deliver exceptional radial load capacity and precision for critical industrial operations. Crafted from high-grade bearing steel with P0-P2 precision ratings, this 65x140x48mm component ensures consistent power transmission even under heavy loads, reducing unplanned downtime and aligning with strict production schedules.Separated inner/outer ring design allows for easy installation and maintenance, minimizing assembly time while maintaining optimal alignmentSupports both grease and oil lubrication to adapt to diverse operating conditions, ensuring versatility across automotive and machinery applicationsBacked by NTN’s legendary quality and our ISO 9001 compliant three-level inspection, every unit comes with full traceability documentation for streamlined compliance and peace of mind

Key Specifications
SPEC-01
Bore (d)
65mm
OD (D)
140mm
Width (B)
48mm
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)65 mm
Outer Diameter (D)140 mm
Width (B)48 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 performance in your automotive machinery with the NTN N2313EM cylindrical roller bearing, designed to deliver exceptional radial load capacity and precision for critical industrial operations. Crafted from high-grade bearing steel with P0-P2 precision ratings, this 65x140x48mm component ensures consistent power transmission even under heavy loads, reducing unplanned downtime and aligning with strict production schedules.

  • Separated inner/outer ring design allows for easy installation and maintenance, minimizing assembly time while maintaining optimal alignment
  • Supports both grease and oil lubrication to adapt to diverse operating conditions, ensuring versatility across automotive and machinery applications
  • Backed by NTN’s legendary quality and our ISO 9001 compliant three-level inspection, every unit comes with full traceability documentation for streamlined compliance and peace of mind

Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

N2313em

Nombre del Producto {{ZKF_0}}Rodamiento de Rodillos Cilíndricos{{ZKF_1}}

Tamaño del orificio

15-90 mm

Dimensión Externa

35mm-180mm

Especificación

65*140*48mm

Material

Acero para rodamientos

Estructura

Cilíndrico

Dirección de Carga

Rodamiento Radial

Separado

Separado

Esférico

Cojinetes No Alineados

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Vibración

Marca registrada

Origen

Japón

Código HS

8482500090

Z1V1 Z2V2 Z3V3
NTN

Industrias de Aplicación

Industria

Equipo Típico

Automotriz

Transmisiones, Componentes del Motor, Ejes de Transmisión

Maquinaria General

Motores eléctricos, reductores, bombas, compresores

Tránsito Ferroviario

Sistemas de Ejes de Tren, Transmisiones de Engranajes

Detenga los retrasos en la producción con los auténticos

    • rodamientos de rodillos cilíndricos

      Los fabricantes OEM en los sectores automotriz y de maquinaria a menudo enfrentan costosas interrupciones debido a rodamientos falsificados que fallan prematuramente o documentos de trazabilidad incompletos que causan retrasos en el despacho aduanero. Los canales de distribución de múltiples niveles a menudo prolongan los tiempos de entrega en un 30-50%, lo que hace casi imposible alinearse con horarios de producción ajustados.

      Rodamientos

      • Originales: En Stock y Rastreables

        Como distribuidor oficial de

      • , eliminamos estos puntos de dolor al proporcionar rodamientos de rodillos cilíndricos
          100% genuinos con total trazabilidad. Nuestro sistema de inventario en tiempo real WMS garantiza que este rodamiento de alta precisión 65x140x48mm esté listo para despacho inmediato, apoyando tanto las producciones programadas como las necesidades de mantenimiento de emergencia en aplicaciones de maquinaria automotriz.

          Diseñado para el rendimiento de maquinaria de alta precisión

          El rodamiento de rodillos cilíndricos

            sobresale en aplicaciones radiales de alta carga dentro de transmisiones automotrices y ensamblajes de motores eléctricos. Su estructura separada permite un fácil montaje y desmontaje, mientras que la construcción de acero para rodamientos ofrece una durabilidad excepcional bajo condiciones de operación continuas. Con calificaciones de precisión de P0 a P2 y clases de vibración de hasta
          • , este rodamiento mantiene la estabilidad incluso en equipos de rotación a alta velocidad.

            Especificaciones técnicas que garantizan la fiabilidad

            El diámetro de orificio de 65 mm, el diámetro exterior de 140 mm y las dimensiones de 48 mm de ancho del rodamiento

              proporcionan una distribución de carga óptima para maquinaria de mediana a pesada. Su diseño de carga radial lo hace ideal para cajas de engranajes y sistemas de transmisión donde el movimiento axial es mínimo. Las clasificaciones de precisión disponibles (P0-P2) permiten la personalización según los requisitos de la aplicación, desde uso industrial general (P0) hasta herramientas de máquina de alta precisión (P2). Los anillos internos y externos separados facilitan el mantenimiento y la inspección sin necesidad de retirar componentes adyacentes.

              Por qué los rodamientos genuinos reducen el costo total de propiedad

              Si bien los rodamientos del mercado gris pueden ofrecer precios iniciales más bajos, generalmente resultan en costos 3-5 veces más altos debido a fallas prematuras, tiempo de inactividad en la producción y daños en el equipo. Nuestro sistema de inspección de calidad de tres niveles, conforme a ISO 9001, garantiza que cada rodamiento

              • cumpla con estrictos estándares de rendimiento, ofreciendo una calidad de lote consistente que minimiza el mantenimiento inesperado. La documentación completa de trazabilidad del producto que proporcionamos elimina problemas de despacho aduanero y riesgos de responsabilidad asociados con productos falsificados.

                Nuestro Compromiso con el Suministro Confiable

                With over 10 years of technical expertise and service across 50+ countries, we stand behind every bearing we supply. As an official NTN distributor, we maintain direct access to the manufacturer’s supply chain, ensuring authentic products with complete documentation. Our dedicated technical team provides application-specific guidance, from model selection to installation support, while our global door-to-door logistics network ensures timely delivery regardless of destination. We support flexible OEM customization to meet unique production requirements, backed by a structured four-step cooperation process that includes sample testing and dedicated inventory reservation for long-term partners.

                Packaging & Shipping

                • Original NTN packaging with manufacturer’s certification and traceability documents
                • Embalaje en cartón y palets para un transporte seguro

                  Tamaño del paquete: 16.00cm * 16.00cm * 6.80cm

                  Peso bruto del paquete: 3.760kg

                  Logística global puerta a puerta a través de DHL, FedEx, UPS, transporte aéreo o marítimo

                  Seguimiento de envíos en tiempo real proporcionado para todos los pedidos

                  Cantidades de pedido flexibles sin requisito de compra mínima

                Obtenga su cotización de rodamientos

                • hoy

                  Don’t let procurement delays impact your production schedule. Send us your NTN N2313EM bearing requirements, including quantity and application details, and we’ll provide a formal quotation with brand authorization within 24 hours. Our inventory is ready for immediate dispatch to keep your machinery operating at peak efficiency.

                  Preguntas Frecuentes

                  Q: ¿Son estos rodamientos genuinos?

                  A: Sí, somos un distribuidor autorizado oficial de

                • . Cada rodamiento
                    viene con documentación de trazabilidad completa y certificados de autorización de marca.

                • P: ¿Cómo puedo confirmar que este rodamiento se ajusta a mi equipo?

                  A: Nuestro equipo técnico puede verificar la compatibilidad si proporciona el modelo de su equipo o los parámetros de operación (carga, velocidad, temperatura).

                  P: ¿Cuál es su política de garantía?

                  A: All NTN bearings come with the manufacturer’s warranty covering manufacturing defects. We provide full after-sales support for any quality issues.

                  Q: ¿Cuál es la cantidad mínima de pedido?

                  A: Aceptamos pedidos a partir de 1 unidad, apoyando tanto reparaciones de emergencia como requisitos de producción a granel.

                  P: ¿Cuánto tiempo tarda el envío?

                  A: Los rodamientos en stock se envían dentro de 3 a 7 días hábiles a través de su elección de DHL, FedEx, UPS, aire o flete marítimo.

                  Q: How can I verify the bearing’s authenticity?

                  A: Each bearing includes NTN’s original packaging with防伪标签, laser marking, and serial numbers verifiable through official channels. We provide complete traceability documentation with every order.

                  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-756?

    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-75 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