Double Row Cylindrical Roller Bearing NN3019K P4 Precision for Industrial Machinery
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearing NN3019K P4 Precision for Industrial Machinery

Ensure smooth, high-precision operation for your industrial machinery with our Double Row Cylindrical Roller Bearing NN3019K P4 Precision. Engineered to deliver exceptional radial load capacity and minimal vibration, this bearing eliminates downtime caused by premature wear, keeping your production line running at peak efficiency.

  • Precision-grade P4 tolerance ensures tight dimensional control, critical for high-speed applications like machine tool spindles and reducers
  • Separated inner and outer rings allow easy mounting and dismounting, simplifying maintenance and reducing assembly time
  • Constructed with high-grade bearing steel for long service life, even under heavy loads and continuous operation

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

Marca registrada

BDL

Origen

China

Código HS

8482500090

Capacidad de Producción

100000

NN3019K
V1V2V3V4
95*145*37 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Equipos de Impresión, Reductores

Automotriz

Sistemas de Transmisión, Cajas de Cambios

Nueva Energía

Agricultura

Cosechadoras, Tractores

Construcción

Excavadoras, Maquinaria de Carga Pesada

Wind Turbines, Solar Panel Manufacturing Machinery

Minimize Downtime with NN3019K P4 Precision Double Row Cylindrical Roller Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unplanned downtime caused by bearing failure. Precision equipment like machine tools and reducers demands reliable components—yet many face challenges with inconsistent quality, long lead times for custom orders, and difficulty finding bearings that meet strict accuracy requirements. When a bearing fails, the cost goes beyond replacement parts; it includes lost production, maintenance labor, and disrupted schedules.

NN3019K P4 Precision Bearing: Engineered for Reliable Industrial Performance

Our Double Row Cylindrical Roller Bearing NN3019K addresses these pain points with P4 precision rating, ensuring optimal performance in high-precision industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we control the entire production process from raw material selection to final quality inspection. The separated design allows for easy installation and maintenance, while the bearing steel construction delivers durability for heavy radial loads. With 1pc MOQ for standard items and 3–5 days sample lead time, we support both紧急维修 and small-batch production needs.

Rendimiento Óptimo en Condiciones Industriales Exigentes

The NN3019K P4 Precision Bearing excels in applications requiring high radial load capacity and precise rotational accuracy. Industrial machinery such as CNC machine tools and printing presses rely on consistent performance under varying speeds and loads. This bearing’s non-aligning design ensures stability in rigid shaft arrangements, while its open structure allows for flexible lubrication options—oil, grease, or dry operation—depending on specific machine requirements. Whether operating in moderate temperatures or continuous duty cycles, the bearing maintains dimensional stability to support long-term equipment reliability.

Características Técnicas Clave que Impulsan la Eficiencia de la Maquinaria

Precision rating is critical for industrial machinery, and the P4 class of this NN3019K bearing ensures minimal radial and axial runout, reducing vibration and noise during operation. The separated inner and outer rings facilitate easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during part replacement. With a specification of 95*145*37 mm, this bearing fits standard industrial equipment dimensions, ensuring compatibility with existing machinery setups. The V1-V4 vibration grades further enhance performance by minimizing operational noise, a key consideration in precision manufacturing environments where accuracy and quiet operation are essential.

Long-Term Value: Authentic Bearings vs. Costly Counterfeits

Choosing genuine bearings like the NN3019K P4 Precision Bearing reduces the risk of premature failure compared to counterfeit alternatives. Fake bearings often use substandard materials and lack proper heat treatment, leading to cracks, deformation, and unexpected breakdowns. The cost of replacing a failed bearing in a critical machine tool can exceed the initial savings from a cheap counterfeit by 10–20 times when accounting for production losses and repair expenses. Our bearings undergo rigorous quality control in our in-house lab, ensuring compliance with international standards and delivering consistent performance over their operational lifespan.

Por qué los fabricantes industriales confían en los rodamientos Saifan

With 18 years of experience serving global markets, we’ve built a reputation for reliability in the bearing industry. Our full R&D capabilities allow us to offer OEM/ODM customization to meet unique machinery requirements, while our 12-month global warranty provides peace of mind. We maintain flexible order options, including free samples (buyer covers freight), and support multiple payment methods such as T/T, credit card, and Alibaba trade assurance. Our production capacity of 100,000 units ensures stable supply, even for large-scale projects, and our technical team offers free guidance to help customers select the right bearing for their specific application.

Packaging & Shipping

    Embalaje seguro de cartón y paletas para prevenir daños durante el tránsito

  • Sample lead time of 3–5 days for urgent evaluation needs
  • Bulk delivery within 5–15 days for standard orders
  • Múltiples opciones de logística, incluyendo exprés, aérea y transporte marítimo

    Se admite una cantidad mínima de pedido de 1 pieza para reparaciones de emergencia

Get Your NN3019K P4 Bearing Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or a bulk order, our NN3019K P4 Precision Double Row Cylindrical Roller Bearing is ready to ship. Contact us with your equipment details and quantity requirements, and our team will provide a tailored quote within 24 hours. The sooner you secure reliable bearings, the sooner you can focus on maximizing your machinery’s uptime and productivity.

Preguntas Frecuentes

Q: Is the NN3019K P4 bearing authentic and traceable?

A: Yes, all our bearings are manufactured in our ISO-certified facility and come with full traceability documentation. We stand behind the authenticity of every product we supply.

Q: How can I confirm if this bearing fits my industrial machinery?

A: Provide your equipment model, shaft diameter, and operational load speed, and our technical team will verify compatibility and offer free选型 guidance.

Q: What is the warranty policy for the NN3019K bearing?

A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide replacement or refund.

Q: ¿Cuál es la cantidad mínima de pedido para este rodamiento?

A: We accept 1pc MOQ for standard items, making it easy to source single units for emergency repairs or testing.

<div class="skf-f
Tags: Double Row Cylindrical Roller Bearing Double Row Cylindrical Roller Bearing for Industrial Machinery High Precision Cylindrical Roller Bearing Industrial Machinery Bearing NN3019K Bearing NN3019K Industrial Machinery Bearing NN3019K P4 Precision 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
Taper Roller Bearing 387A/382-S 57.15×96.838×25.4mm Single Row Open OEM Service

Roller Bearing

Taper Roller Bearing 387A/382-S 57.15×96.838×25.4mm Single Row Open OEM Service

<p>Ensure smooth, reliable rotation in your machinery with the <strong>Taper Roller Bearing 387A/382-S</strong>, engineered to deliver consistent performance even under heavy loads. This single row open bearing (57.15x96.838x25.4mm) minimizes downtime with its precision P0-P4 rating, making it ideal for industrial and automotive applications where durability matters most.</p><ul><li>Precision-machined to handle radial and axial loads with minimal vibration, extending equipment service life</li><li>Open design allows for easy lubrication maintenance, ensuring optimal performance in high-temperature environments</li><li>Supports OEM customization to match your exact specifications, backed by our ISO 9001-certified production process</li></ul>

View Details
Self-Aligning Roller Bearing NSK 22224CDE4 120x215x58mm for Industrial Machinery P0-P4 Precision

Roller Bearing

Self-Aligning Roller Bearing NSK 22224CDE4 120x215x58mm for Industrial Machinery P0-P4 Precision

<p>Ensure smooth, precise rotation in your industrial machinery with the <strong>Self-Aligning Roller Bearing NSK 22224CDE4</strong>, designed to minimize downtime and handle radial loads with exceptional stability. This 120x215x58mm bearing delivers P0-P4 precision, ideal for heavy-duty applications where alignment errors are common—its double-row roller design automatically compensates for shaft misalignment, reducing wear and extending equipment life.</p><ul><li>Constructed with high-grade bearing steel for reliable performance under demanding conditions</li><li>Available with clearance options (C0/C3/C4) to match specific operational needs, ensuring optimal load distribution</li><li>Backed by Saifan’s strict quality control and 12-month warranty, providing peace of mind for your production line</li></ul>

View Details
Self-Aligning Roller Bearings 22344CC 22348CC 22352CC 22356CC 22360CC 22272CA W33 for Industrial Machinery

Roller Bearing

Self-Aligning Roller Bearings 22344CC 22348CC 22352CC 22356CC 22360CC 22272CA W33 for Industrial Machinery

<p>Ensure smooth, reliable rotation for your industrial machinery with high-performance <strong>Self-Aligning Roller Bearings</strong> designed to minimize downtime and maximize operational efficiency. These 22344CC, 22348CC, 22352CC, 22356CC, 22360CC, and 22272CA W33 bearings deliver exceptional load capacity and misalignment compensation, solving critical machinery stability issues in heavy-duty applications.</p><ul><li>Precision-engineered with P0-P4 accuracy and C0/C3/C4 clearance options to meet strict industrial standards, ensuring consistent performance under varying loads</li><li>Constructed from premium bearing steel for extended service life, reducing the need for frequent replacements and lowering maintenance costs</li><li>Double-row roller design with self-aligning capabilities absorbs shaft misalignment, protecting equipment from premature wear and ensuring smooth operation</li><li>Available in OEM/ODM configurations to match your specific machinery requirements, backed by our ISO 9001:2015 quality assurance and 12-month warranty for peace of mind</li></ul>

View Details
High Load Tapered Roller Bearing HR33205J HR33206J 25x52x22mm for Industrial Machinery

Roller Bearing

High Load Tapered Roller Bearing HR33205J HR33206J 25x52x22mm for Industrial Machinery

<p>Ensure smooth, heavy-duty industrial machinery operation with our <strong>High Load Tapered Roller Bearing</strong> — designed to handle extreme radial and axial loads while maintaining precision rotation. The HR33205J/HR33206J model (25x52x22mm) delivers reliable performance in demanding conditions, reducing downtime and extending equipment lifespan.</p><ul><li>Precision grade options from P0 to P4 and vibration levels Z1V1-Z3V3 ensure compatibility with high-precision industrial applications</li><li>Grease or oil lubrication versatility adapts to your maintenance routine, keeping machinery running at optimal efficiency</li><li>Backed by our ISO 9001:2015 quality certification and 12-month warranty, this bearing meets the strict standards of OEM/ODM requirements for consistent, long-term use</li></ul>

View Details