Linear Bearing
High Precision Double Row Cylindrical Roller Bearing NN3040K NN3044K NN3048K P5 P4 W33
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

High Precision Double Row Cylindrical Roller Bearing NN3040K NN3044K NN3048K P5 P4 W33

Ensure smooth, high-precision machinery operation with our reliable Double Row Cylindrical Roller Bearing—designed to minimize downtime and maximize performance in demanding industrial settings. The NN3040K, NN3044K, and NN3048K models in P5/P4 precision grades deliver exceptional load capacity and rigidity, making them ideal for heavy-duty applications where consistent rotation is critical.

  • W33 lubrication groove ensures long-term maintenance efficiency, reducing the need for frequent re-lubrication
  • Alloy construction provides superior durability to withstand harsh operating conditions, extending equipment lifespan
  • OEM/ODM service available to meet custom specifications, ensuring a perfect fit for your unique machinery requirements

Technical Specifications
Product Name
High Precision Double Row Cylindrical Roller Bearing NN3040K NN3044K NN3048K P5 P4 W33
Category
Linear Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Especificaciones del Producto{{ZKF_1}} Parámetro{{ZKF_1}} Detalles{{ZKF_1}}

N.º de modelo

Circular

Forma

Abrir

Serie

LM

Material

Aleación

Servicio{{ZKF_1}} OEM ODM{{ZKF_1}}

Paquete de transporte

Palé de cartón

Marca registrada{{ZKF_1}}

BDL

Origen{{ZKF_1}} China{{ZKF_1}} Código HS{{ZKF_1}}

8482102000

Capacidad de producción

10000

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Flange Shape
Idoneidad de la Aplicación{{ZKF_1}} Industria{{ZKF_1}} Aplicaciones Típicas{{ZKF_1}}

Equipos de automatización

Maquinaria industrial

Linear motion systems, guide rails
Conveyor components, sliding mechanisms

Struggling with Bearing Selection? High Precision Double Row Cylindrical Roller Bearings Deliver Reliability

Finding the right bearing for your equipment can be a challenge, especially when faced with incompatible dimensions or poor quality that leads to early failure. Many buyers waste time sourcing from multiple suppliers, only to receive products that don’t meet specifications. The High Precision Double Row Cylindrical Roller Bearing NN3040K, NN3044K, NN3048K series is designed to address these common frustrations.

Diseñado para ofrecer un rendimiento constante en entornos exigentes

This double row cylindrical roller bearing series offers high precision (P5, P4) and a robust W33 design, making it suitable for heavy-load applications. Our ISO 9001 certified production process ensures each bearing meets strict quality standards, from raw material inspection to final dimensional and hardness testing. With access to both our own BDL brand and international models, we provide a one-stop solution for diverse bearing needs, whether you require standard sizes or custom OEM/ODM specifications.

Rendimiento Óptimo en Aplicaciones Industriales de Alta Carga

These bearings excel in environments with radial loads and moderate axial loads, such as industrial gearboxes, steel rolling mills, and large motors. The double row design provides increased rigidity and load capacity compared to single row alternatives, while the precision class (P5/P4) ensures minimal vibration and noise during operation. The W33 feature allows for better lubrication retention, extending service life in continuous-duty machinery.

Características técnicas clave que influyen en la fiabilidad

The alloy material construction provides excellent durability and resistance to wear, critical for maintaining performance in high-stress applications. The open shape design allows for easy lubrication access, simplifying maintenance routines. Precision class P4 ensures tight dimensional tolerances, reducing clearance and improving rotational accuracy—essential for equipment requiring precise positioning. Additionally, the circular flange shape simplifies installation and alignment, reducing assembly time and potential errors.

Por qué elegir el rodamiento adecuado reduce los costes operativos totales

Investing in high-quality bearings like the NN3040K, NN3044K, NN3048K series reduces long-term costs by minimizing downtime and replacement frequency. Poorly made bearings often fail prematurely due to material fatigue or imprecise manufacturing, leading to unplanned maintenance and production losses. Our bearings, tested for hardness and surface integrity, deliver consistent performance, lowering the total cost of ownership by extending service intervals and reducing labor for replacements.

Calidad en la que puedes confiar: desde la producción hasta la entrega

Our production process adheres to ISO 9001 standards, with rigorous testing at every stage—raw material verification, dimensional checks, and surface hardness testing. Each bearing comes with a warranty against manufacturing defects, ensuring you receive reliable products. We maintain a diverse inventory, supporting quick delivery for both standard and custom orders. Whether you need a single unit or bulk quantities, our flexible supply chain ensures timely fulfillment.

Packaging & Shipping

    Empaquetado en cajas de cartón sobre palés para garantizar un transporte seguro

  • Stock availability ensures prompt dispatch for urgent orders
  • Multiple shipping options: express courier, air freight, or sea freight
  • Low minimum order quantity, suitable for small-scale trials and large production runs

Obtenga una cotización para sus requisitos de rodamientos

Whether you need the NN3040K, NN3044K, NN3048K, or other bearing models, provide us with your specifications, quantity, and delivery location. Our team will promptly offer competitive pricing and lead time information. We handle all major brands and can source hard-to-find models, ensuring you get the right bearings when you need them.

Preguntas Frecuentes{{ZKF_1}}

P: ¿Suministran rodamientos de otras marcas además de BDL?

A: Yes, we offer a wide range of bearings including international and domestic brands. We can source specific models as per your requirements.

P: ¿Cómo puedo comprobar si este rodamiento es compatible con mi equipo?

A: Provide your equipment model or the bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility.

Q: ¿Cuál es su política de garantía para rodamientos?

A: We provide a warranty against manufacturing defects. Specific terms are outlined in the sales contract, covering replacement or refund for qualifying issues.

P: ¿Cuál es la cantidad mínima de pedido?

A: We accept low minimum orders, making it easy to test samples before placing larger orders.

P: ¿Cuánto tiempo tarda el envío?

A: In-stock items ship within 1-3 business days. Delivery time depends on the shipping method chosen (courier, air, or sea).

Q: Can you produce custom bearings according to my design?

A: Yes, we support OEM and ODM services. Provide your drawings or specifications, and we can manufacture custom bearings to your requirements.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us today

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: High Precision Double Row Cylindrical Roller Bearing NN3040K NN3044K NN3048K P5 P4 W33

Response within 24 hours · Free engineering consultation · No obligation

ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.