High Precision Double Row Cylindrical Roller Bearing NN3040K P4 for Industrial Machinery
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

High Precision Double Row Cylindrical Roller Bearing NN3040K P4 for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the NN3040K P4 bearing, a high-performance double row cylindrical roller bearing engineered to minimize downtime and maximize operational efficiency. Crafted from premium bearing steel and adhering to strict P4 precision standards, this 200*310*82 mm separated design handles heavy radial loads while maintaining consistent alignment—ideal for machine tools, reducers, and high-speed industrial equipment where reliability under pressure is non-negotiable.

  • Separated inner/outer rings allow easy mounting and dismounting, simplifying maintenance and reducing assembly time
  • Open seals design enables flexible lubrication (oil, grease, or dry) to adapt to your specific operating conditions
  • Backed by Saifan’s ISO 9001:2015 quality certification and 12-month warranty, ensuring long-term performance you can trust

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

Dimensión exterior

35mm-180mm

Material

Acero para rodamientos

Esférico

Rodamientos no alineables

Dirección de Carga

Rodamiento Radial

Separado

Separado

Nombre del producto

Rodamiento de rodillos cilíndricos

Estructura

Cilíndrico

Tipo de Sellos

Abrir

Lubricar

Grasa de aceite seca

Clasificación de Precisión

P0 P6 P5 P4 P2

Número de fila

Fila Única

Vibración

Servicio

OEM ODM

Paquete de Transporte

Palé de Cartón

Especificación

200*310*82 mm

Marca registrada

BDL

Origen

China

Código HS

8482500090

Capacidad de Producción

100000

NN3040K
V1V2V3V4

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Máquinas herramienta, Maquinaria de impresión, Reductores

Fabricación de Piezas de Automóviles

Conjuntos de Ejes, Sistemas de Transmisión

Maquinaria Agrícola

Cosechadoras, Tractores

Nueva Energía

Aerogeneradores, Equipos Fotovoltaicos

Maquinaria de Construcción

Excavadoras, Equipos de Carga Pesada

Reduce Downtime with High Precision Double Row Cylindrical Roller Bearing NN3040K P4 for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. Precision equipment like machine tools and reducers demands reliable components that maintain accuracy under heavy loads. Sourcing high-precision bearings often means navigating minimum order quantities, long lead times, and concerns about quality consistency—all of which can disrupt production schedules and increase operational costs.

NN3040K P4 Bearing: Engineered for Reliable Performance in Critical Applications

Our high precision double row cylindrical roller bearing NN3040K P4 is designed to address these challenges. With P4 precision rating and a separated structure, this bearing delivers the stability and durability required for industrial machinery. We support flexible orders with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery, ensuring you get the bearings you need when you need them. Whether for machine tool spindles or printing press reducers, this cylindrical roller bearing provides the precision and reliability your equipment demands.

Rendimiento Óptimo en Entornos Industriales de Alta Demanda

The NN3040K P4 bearing excels in applications requiring radial load support and high rotational accuracy. Its double row design and bearing steel construction make it suitable for heavy-load industrial machinery operating under continuous use. With vibration grades up to V4 and lubrication options including oil, grease, and dry operation, this bearing adapts to diverse operating conditions, ensuring consistent performance in sectors from automotive manufacturing to renewable energy equipment.

Technical Excellence: Key Parameters for Industrial Machinery Performance

Precision rating is critical for industrial machinery, and the P4 classification of the NN3040K bearing ensures minimal radial and axial runout, essential for maintaining tight tolerances in machine tools. The separated structure allows for easy mounting and dismounting, reducing maintenance time and labor costs. With an outer dimension range of 35mm-180mm and specific specification of 200*310*82 mm, this bearing is engineered to fit standard industrial equipment while providing the load capacity needed for heavy-duty operations. The open seal type facilitates lubrication management, allowing operators to optimize maintenance intervals based on specific application requirements.

Invest in Quality: Avoid the Hidden Costs of Substandard Bearings

Choosing a high precision cylindrical roller bearing like the NN3040K P4 reduces the risk of premature failure, which can lead to unplanned downtime, costly repairs, and production losses. Substandard bearings often fail to meet precision requirements, leading to increased vibration, noise, and wear on adjacent components. Our bearings are manufactured under ISO9001 and ISO14001 certifications, ensuring consistent quality and performance. With a 12-month global warranty, we stand behind our products, offering free technical guidance and defect replacement to minimize your operational risks.

Su Socio de Confianza para Rodamientos Industriales

Jinan Saifan Bearing, founded in 2005, brings over 18 years of experience as an integrated manufacturer and exporter serving global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D capabilities and QC lab ensure that every NN3040K P4 bearing meets strict quality standards. We offer comprehensive OEM/ODM customization to meet specific application needs, backed by a production capacity of 100,000 units. Our commitment to stable supply and competitive pricing has made us a reliable partner for industrial machinery manufacturers, bearing wholesalers, and brand owners worldwide.

Packaging & Shipping

    Embalaje en cartón y paletas para un transporte seguro

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

    5–15 días de entrega a granel para pedidos estándar

    Múltiples opciones de pago, incluyendo T/T, tarjeta de crédito y garantía comercial de Alibaba

  • 1pc MOQ for standard items, supporting both small and large scale requirements

Get Your NN3040K P4 Bearing Today

Don’t let bearing issues slow down your production. Contact us with your bearing requirements, application details, and quantity, and our team will provide a prompt quote. With free samples available (buyer covers freight) and fast delivery, we make it easy to secure the high precision cylindrical roller bearings your machinery needs to operate at peak efficiency.

Preguntas Frecuentes

Q: Is the NN3040K P4 bearing genuine and traceable?

A: Yes, we are an integrated manufacturer with strict quality control processes. All bearings are produced in our ISO9001 & ISO14001 certified facility and can be traced through our production records.

Q: How can I confirm if the NN3040K P4 bearing fits my industrial machinery?

A: Provide your equipment model, operating conditions, and required specifications. Our technical team will verify compatibility and offer free选型 support.

P: ¿Cuál es la política de garantía para este rodamiento?

A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, with free technical guidance available throughout the warranty period.

Q: What is the minimum order quantity for the NN3040K P4 bearing?

A: We accept 1pc MOQ for standard items, making it suitable for both emergency repairs and small-batch purchases.

Q: How long does it take to ship the NN3040K P4

Tags: Cylindrical Roller Bearing Double Row Bearing double row NN3040K P4 bearing High Precision Cylindrical Roller Bearing Industrial Machinery Bearing Industrial Machinery High Precision Bearing NN3040K bearing P4 precision 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
High Precision Cylindrical Roller Bearings NUP2311EM for Industrial Machinery 55x120x43mm

Roller Bearing

High Precision Cylindrical Roller Bearings NUP2311EM for Industrial Machinery 55x120x43mm

<p>Ensure smooth, precise operation for your industrial machinery with our <strong>High Precision Cylindrical Roller Bearings</strong>. Engineered to deliver reliable performance under heavy radial loads, this NUP2311EM model (55x120x43mm) minimizes downtime while maintaining consistent rotation, even in demanding manufacturing environments.</p><ul><li>Precision grade P0-P4 and noise grade Z1V1-Z3V3 options let you tailor to specific machinery requirements</li><li>Separated structure design allows for easy installation and maintenance, reducing assembly time</li><li>Constructed with high-grade bearing steel for extended service life, ensuring long-term cost efficiency</li><li>Supports both grease and oil lubrication to adapt to your existing maintenance protocols</li></ul>

View Details
Self-Aligning Roller Bearing 21310CA 21311CA 21312CA 21313CA 21314CA W33 for Industrial Machinery

Roller Bearing

Self-Aligning Roller Bearing 21310CA 21311CA 21312CA 21313CA 21314CA W33 for Industrial Machinery

<p>Ensure smooth, reliable rotation for your industrial machinery with our high-performance <strong>Self-Aligning Roller Bearing</strong> series, including 21310CA, 21311CA W33, 21312CA, 21313CA W33, and 21314CA models. Engineered to handle radial loads and misalignment, these double row bearings minimize downtime and extend equipment lifespan, even in heavy-duty operations.</p><ul><li>Precision-grade options (P0-P4) and clearance levels (C0/C3/C4) ensure optimal performance for machine tools, reducers, and textile equipment</li><li>Constructed with premium bearing steel for superior durability, backed by our ISO 9001:2015 quality certification</li><li>W33 design feature enhances lubrication retention, reducing maintenance needs and keeping your production line running efficiently</li></ul>

View Details
Stainless Steel Tapered Roller Bearing 30313-30317 for Industrial Machinery High Precision P0-P4

Roller Bearing

Stainless Steel Tapered Roller Bearing 30313-30317 for Industrial Machinery High Precision P0-P4

<p>Ensure smooth, high-precision operation for your industrial machinery with our <strong>Stainless Steel Tapered Roller Bearing</strong> 30313-30317 series. Engineered to deliver long life, high speed, and low noise performance, these bearings eliminate costly downtime and maintain consistent productivity even in demanding work environments.</p><ul><li>Precision ratings from P0 to P4 with Z1V1-Z3V3 vibration control for reliable rotation in机床、纺织机械, and heavy-duty equipment</li><li>Stainless steel construction resists corrosion and wear, ideal for industrial applications requiring durability and stability</li><li>Available in stock with flexible MOQ, ensuring quick 3-5 day sample delivery and 5-15 day bulk shipment to keep your production on track</li></ul>

View Details
Rodamiento de rodillos de aguja <p> Rodamiento radial para maquinaria industrial 14x18x13mm

Needle Roller Bearings

Rodamiento de rodillos de aguja <p> Rodamiento radial para maquinaria industrial 14x18x13mm

<p>Ensure smooth, precise rotation in your industrial machinery with the <strong>Needle Roller Bearing K14X18X13</strong>, designed to deliver reliable performance under radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, this 14x18x13mm radial bearing minimizes friction and maximizes durability, reducing costly downtime for manufacturers and distributors.</p> <ul> <li>Engineered without inner/outer rings for space-saving integration in compact mechanical assemblies</li> <li>Supports both grease and oil lubrication to adapt to diverse operating environments</li> <li>Backed by Saifan’s strict quality control and 12-month warranty, ensuring consistent performance batch after batch</li> </ul> <p>Perfect for industrial machinery applications where precision and longevity are non-negotiable—trust this needle roller bearing to keep your equipment running efficiently, even in demanding conditions.</p>

View Details