Saifan Bearing
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision
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Cylindrical Roller Bearings NJ311E NJ2311E for Industrial Machinery with P0-P4 Precision

SKU: 18b3b1da4cdc

Ensure smooth, precise rotation for your industrial machinery with our Cylindrical Roller Bearings NJ311E and NJ2311E, engineered to deliver consistent performance under heavy radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, these single-row separated bearings reduce machinery downtime by maintaining alignment and minimizing wear, even in demanding operational environments.

  • 55*120*29mm specification with open design for easy lubrication (oil, grease, or dry operation) – ideal for industrial equipment requiring frequent maintenance access
  • Non-aligning structure ensures stable radial load handling, critical for machine tools, textile machinery, and printing equipment
  • Backed by Saifan’s ISO 9001:2015 quality certification and 12-month warranty, offering reliable support for your production line’s longevity
Factory Price
¥0.95
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dimensión Externa

Grande (200-430mm)

Material

Acero para rodamientos

Esférico

Rodamientos No Alineados

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

Calificación de Precisión

P0 P6 P5 P4 P2

Número de fila

Fila Única

Servicio

OEM ODM

Paquete de Transporte

Palet de Cartón

Especificación

Marca registrada

BDL

Origen

China

Código HS

8482500090

Capacidad de Producción

100000

Nj311e
55*120*29 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Maquinaria de Impresión, Reductores

Automotriz

Sistemas de Transmisión, Ejes

Maquinaria Agrícola

Cosechadoras, Tractores

Nueva Energía

Aerogeneradores, Equipos Solares

Construcción

Excavadoras, Maquinaria de Carga Pesada

Reduce Downtime with Reliable NJ311E NJ2311E Cylindrical Roller Bearings for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often lead to premature wear, costly repairs, and production delays. Sourcing precision bearings that meet strict industrial standards can be challenging, especially when dealing with minimum order quantities and long lead times.

Precision Cylindrical Roller Bearings Delivered When You Need Them

Our NJ311E and NJ2311E Cylindrical Roller Bearings are engineered to solve these challenges. With P0-P4 precision ratings, these bearings ensure smooth operation in industrial machinery, reducing vibration and extending equipment life. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer 1pc MOQ for standard items, 3-5 days sample lead time, and 5-15 days bulk delivery, making us a reliable partner for both urgent repairs and regular maintenance.

Rendimiento Óptimo en Entornos Industriales Exigentes

Cylindrical Roller Bearings excel in applications requiring high radial load capacity and moderate speeds, such as machine tool spindles, printing presses, and reducers. The separated design of NJ311E and NJ2311E bearings allows for easy installation and maintenance, while the open seal type accommodates various lubrication methods. Whether your equipment operates in high-temperature settings or under heavy loads, these bearings provide consistent performance to keep your production line running.

Características Técnicas Clave que Importan

The precision rating of P0-P4 ensures tight dimensional tolerance, critical for machinery where accuracy directly impacts product quality. Bearing steel construction offers excellent durability and wear resistance, extending service life even in harsh conditions. The single row structure balances load capacity and rotational efficiency, making these bearings suitable for a wide range of industrial applications. With a specification of 55*120*29 mm, the NJ311E is designed to fit standard industrial machinery shafts, ensuring compatibility with existing equipment.

Valor a Largo Plazo de los Rodamientos Cilíndricos de Calidad

Choosing genuine, high-precision bearings reduces the total cost of ownership. Inferior bearings may have lower upfront costs but often fail prematurely, leading to unplanned downtime, replacement expenses, and potential damage to other machine components. Our bearings come with a 12-month global warranty, free technical guidance, and defect replacement or refund, ensuring peace of mind and long-term reliability for your industrial operations.

Por qué los compradores industriales eligen los rodamientos Saifan

With over 18 years of experience manufacturing and exporting bearings, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure consistent quality, while OEM/ODM customization capabilities meet specific application requirements. We support flexible payment options including T/T, credit card, and Alibaba trade assurance, and offer free samples (buyer covers freight) to verify performance before bulk orders. Our commitment to stable supply and competitive pricing has made us a trusted partner for industrial machinery manufacturers worldwide.

Embalaje y Envío

    Embalaje en cartón y palets para un transporte seguro

  • 3-5 days sample lead time for urgent testing needs
  • Entrega a granel de 5 a 15 días para cumplir con los cronogramas de producción

    Múltiples opciones de envío, incluyendo exprés, aéreo y marítimo

    1pc MOQ para artículos estándar, ideal para reparaciones de emergencia

Get Your NJ311E NJ2311E Bearings Today

Don’t let bearing issues disrupt your production. Send us your bearing型号, application details, and quantity to receive a prompt quote. With our fast delivery and reliable quality, you can minimize downtime and keep your industrial machinery operating at peak efficiency.

Preguntas Frecuentes

P: ¿Son estos rodamientos genuinos y trazables?

A: Sí, somos un fabricante integrado con estrictos procesos de control de calidad. Cada rodamiento se produce en nuestra instalación certificada por ISO y se puede rastrear a través de nuestros registros de producción.

Q: How can I confirm if the NJ311E is suitable for my machine?

A: Provide your equipment model, operating speed, load conditions, and required precision等级. Our technical team will verify compatibility and recommend the best bearing solution.

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

A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación. Si un rodamiento falla bajo condiciones de operación normales, proporcionamos reemplazo o reembolso gratuito.

Q: What is the minimum order quantity for NJ311E bearings?

A: The minimum order quantity for standard items is 1 piece, supporting both small-scale repairs and large production runs.

P: ¿Cuánto tiempo tarda en enviar un pedido?

A: Sample orders are shipped within 3-5 days, and bulk orders within 5-15 days. We work with major logistics providers to ensure timely delivery to your location.

P: ¿Ofrecen soporte técnico para la instalación y el mantenimiento?

A: Yes, our team provides free technical guidance on installation, lubrication, and maintenance to help maximize bearing performance and service life.

¿Listo para hacer un pedido o necesita una cotización?

Envíe su designación de rodamiento, detalles de la aplicación y cantidad — responderemos dentro de 24 horas.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

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Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.