High Precision NTN N2304EM Cylindrical Roller Bearing for Industrial Machinery 20x52x21mm
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

High Precision NTN N2304EM Cylindrical Roller Bearing for Industrial Machinery 20x52x21mm

Ensure smooth, precise rotation in your industrial machinery with the High Precision NTN N2304EM Cylindrical Roller Bearing (20x52x21mm). Engineered to deliver reliable performance under radial loads, this bearing minimizes downtime and enhances equipment efficiency, making it ideal for machine tools, textile machinery, and other heavy-duty applications.

  • Separated design allows easy installation and maintenance, reducing assembly time and operational disruptions
  • Precision rating options from P0 to P2 and vibration grades Z1V1 to Z3V3 ensure compatibility with high-precision machinery requirements
  • Constructed with premium bearing steel for extended service life, even in demanding industrial environments

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

Nombre del producto

Rodamiento de rodillos cilíndricos

Especificación

Tamaño del orificio

15-90 mm

Dimensión exterior

35mm-180mm

Material

Acero para rodamientos

Estructura

Cilíndrico

Dirección de Carga

Rodamiento Radial

Separado

Separado

Esférico

Rodamientos no alineables

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Vibración

Marca registrada

Origen

Japón

Código HS

8482500090

N2304em
20*52*21mm
Z1V1 Z2V2 Z3V3
NTN

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Prensas de Impresión, Reductores

Fabricación

Máquinas CNC, Cajas de engranajes, Motores eléctricos

Automotriz

Sistemas de Transmisión, Componentes de Motor

Maquinaria Agrícola

Cosechadoras, Tractores, Equipos Pesados

Minimize Downtime with High Precision NTN N2304EM Cylindrical Roller Bearing

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. A single faulty component can halt production lines, delay orders, and increase maintenance costs. Sourcing reliable bearings with consistent quality and flexible order options often feels like navigating a maze of suppliers with unclear origin claims and minimum order requirements.

Genuine NTN Bearings with Fast Delivery and Flexible Ordering

The High Precision NTN N2304EM Cylindrical Roller Bearing addresses these challenges directly. As an integrated manufacturer and exporter with over 15 years of experience, we supply authentic NTN bearings with full traceability. Our 1pc MOQ for standard items means you can order exactly what you need for emergency repairs or scheduled maintenance, without overstocking. With 3–5 days sample lead time and 5–15 days bulk delivery, we ensure you get the bearings when your production line can’t wait.

Engineered for Demanding Industrial Applications

This NTN N2304EM Cylindrical Roller Bearing excels in high-load, high-precision environments. Its separated structure allows for easy mounting and dismounting, making it ideal for machinery where maintenance accessibility is critical. With a bore size of 20mm, outer diameter of 52mm, and width of 21mm, it delivers reliable radial load performance in machine tools, printing presses, and reducers. The bearing’s design ensures stable operation even under varying speeds, making it a trusted choice for continuous production processes.

Precision and Vibration Control for Optimal Performance

The technical specifications of the NTN N2304EM directly impact your machinery’s efficiency. Available precision ratings from P0 to P4 ensure you can match the bearing to your equipment’s accuracy requirements—P4 grade for high-speed spindles or P0 for general industrial use. Vibration grades Z1V1 to Z3V3 reduce noise and energy consumption, extending both bearing life and the lifespan of connected components. Constructed from high-quality bearing steel, this cylindrical roller bearing balances durability with performance, even in heavy-duty applications.

Why Authenticity Matters for Long-Term Cost Savings

Choosing genuine NTN bearings over counterfeit alternatives eliminates hidden costs. Fake bearings often fail prematurely, leading to unplanned downtime, increased labor for repairs, and potential damage to expensive machinery. Our authentic NTN N2304EM bearings come with a 12-month global warranty, ensuring replacement or refund for manufacturing defects. By investing in genuine components, you reduce total cost of ownership through extended service life and consistent performance—critical factors in competitive industrial markets.

Our Commitment to Reliable Supply and Support

Buyers trust us for our comprehensive quality control and customer-focused services. We hold ISO9001 and ISO14001 certifications, with a dedicated QC lab ensuring every bearing meets international standards. Our R&D team provides free technical guidance, helping you select the right bearing for your specific application. With operations serving Europe, America, Southeast Asia, and the Middle East, we offer stable supply chains even during market fluctuations. Whether you need OEM customization or standard NTN bearings, our team ensures clear communication and on-time delivery.

Packaging & Shipping

    Embalaje en cartón y palets para un transporte seguro

    3–5 días de tiempo de entrega de muestras para evaluación urgente

    5–15 días de entrega a granel a través de T/T, tarjeta de crédito o pago comercial de Alibaba

    Opciones de logística global que incluyen envío exprés, aéreo y marítimo

    1pc MOQ disponible para artículos estándar, apoyando reparaciones de emergencia

Get Your NTN N2304EM Bearing Today

Don’t let bearing issues slow down your production. Whether you need a single replacement or bulk order, our team is ready to assist. Send us your bearing model, application details, and quantity, and we’ll provide a competitive quote within 24 hours. With our reliable supply and technical support, you can keep your machinery running at peak performance.

Preguntas Frecuentes

Q: Are these NTN N2304EM bearings genuine?

A: Yes, we supply authentic NTN bearings with full traceability. As an authorized distributor, we ensure all products come directly from NTN’s official supply chain.

P: ¿Cómo confirmo si este rodamiento se ajusta a mi equipo?

A: Provide your equipment model or technical specifications (load, speed, operating conditions), and our technical team will verify compatibility at no cost.

P: ¿Cuál es la política de garantía?

A: Ofrecemos una garantía global de 12 meses. Los defectos de fabricación están cubiertos por un reemplazo o reembolso gratuito.

P: ¿Cuál es la cantidad mínima de pedido?

A: The minimum order quantity for standard items like the NTN N2304EM is 1 piece, ideal for emergency repairs.

P: ¿Cuánto tiempo tarda el envío?

A: Samples ship in 3–5 days, bulk orders in 5–15 days. We offer flexible logistics via DHL, FedEx, UPS, air, or sea freight.

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

A: Authentic NTN bearings include original packaging with serial numbers. We provide documentation to trace each product to its manufacturing batch.

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

Tags: 20x52x21mm Cylindrical Bearing Cylindrical Roller Bearing High Precision Cylindrical Roller Bearing for Machinery High Precision NTN N2304EM Cylindrical Roller Bearing Industrial Machinery Cylindrical Roller Bearing NTN Cylindrical Roller Bearing 20x52x21mm NTN N2304EM 20x52x21mm Bearing NTN N2304EM Bearing
Fast Response · Within 24 Hours

Request a Quote for
This Product

Tell us your requirements -- quantity, specifications, or customization needs. Our team will respond with a competitive quote within 24 hours.

01

Submit Inquiry

Fill in your product requirements and contact details.

02

Confirm Parameters

Our team confirms specs, quantity, and arranges samples.

03

Receive Quotation

Get a detailed PI with competitive pricing and trade terms.

04

Place Order

Complete payment and we arrange production & delivery.

Product Inquiry Form

By submitting, you agree to be contacted by our sales team. We respect your privacy.

Related Products

More products from the same category

View All
Self-Aligning Roller Bearings 24130-24138CAMKE4 for Industrial Machinery P0-P4 Precision

Roller Bearing

Self-Aligning Roller Bearings 24130-24138CAMKE4 for Industrial Machinery P0-P4 Precision

<p>Ensure smooth, precise rotation for your industrial machinery with our <strong>Self-Aligning Roller Bearings 24130-24138CAMKE4</strong>, designed to minimize downtime and maintain consistent performance even under heavy loads. Crafted with high-grade bearing steel and available in P0-P4 precision grades, these double row roller bearings (150*250*100mm) adapt to misalignment, reducing wear on shafts and extending equipment lifespan.</p><ul><li>Engineered for radial load handling with C0/C3/C4 clearance options to suit specific machinery requirements</li><li>Backed by our strict ISO 9001:2015 quality control and 12-month warranty for reliable, long-term operation</li><li>Supports OEM/ODM customization to match your exact industrial applications, from machine tools to heavy equipment</li></ul>

View Details
Rodamiento de rodillos cónicos <p> <strong> </strong> para maquinaria industrial alta precisión P0-P4

Roller Bearing

Rodamiento de rodillos cónicos <p> <strong> </strong> para maquinaria industrial alta precisión P0-P4

<p>Ensure smooth, precise rotation in industrial machinery with <strong>high precision tapered roller bearings</strong> designed to minimize downtime and maximize performance. Our HR30215J, HR32217J, and HR32317J models deliver P0-P4 precision and Z1V1-Z3V3 vibration control, making them ideal for heavy-load applications like machine tools and reducers.</p><ul><li>Engineered with premium chrome steel for extended service life, even under rigorous operating conditions</li><li>75*130*27.25mm specification ensures seamless integration with standard industrial equipment</li><li>Flexible order options with rich stock availability for quick 3-5 day sample delivery and reliable bulk supply</li></ul><p>Backed by ISO 9001:2015 quality certification and our 12-month warranty, these tapered roller bearings for industrial use provide the stability and durability your machinery demands.</p>

View Details
Needle Roller Bearing NK45/20 45x55x20mm P0-P4 Precision for Industrial Machinery

Needle Roller Bearings

Needle Roller Bearing NK45/20 45x55x20mm P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation in your industrial machinery with our <strong>Needle Roller Bearing NK45/20</strong>, engineered to deliver reliable performance and extended service life. This 45x55x20mm radial bearing, crafted from high-grade bearing steel, handles radial loads effortlessly while maintaining P0-P4 precision—ideal for reducing downtime in demanding applications like machine tools and textile equipment.</p><ul><li>Closed-type design with C0/C3/C4 clearance options ensures minimal friction and consistent operation under varying loads</li><li>Supports both grease and oil lubrication for flexible maintenance, adapting to your machinery’s specific needs</li><li>Backed by our strict quality control and 12-month warranty, so you can trust in stable, long-term performance without unexpected interruptions</li></ul>

View Details
Needle Roller Bearing NUTR45100 45x100x32mm Radial Bearing for Industrial Machinery

Needle Roller Bearings

Needle Roller Bearing NUTR45100 45x100x32mm Radial Bearing for Industrial Machinery

<p>Ensure smooth, reliable rotation in your industrial machinery with the <strong>Needle Roller Bearing NUTR45100</strong>, engineered to deliver consistent performance under radial loads. This 45x100x32mm radial bearing minimizes downtime with its precision P0-P4 rating and C0/C3/C4 clearance options, addressing the critical need for stable operation in high-demand equipment.</p><ul><li>Constructed from high-grade bearing steel for extended service life, ideal for machine tools, conveyors, and heavy-duty industrial applications</li><li>Designed without inner/outer rings for space-saving integration, a key detail for engineers optimizing assembly layouts</li><li>Supports both grease and oil lubrication to adapt to your maintenance protocols, ensuring flexibility in diverse operating environments</li></ul>

View Details