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

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

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

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

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

Grande (200-430mm)

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

Servicio

OEM ODM

Paquete de Transporte

Palé 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

Máquinas herramienta, 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.

Long-Term Value of Quality Cylindrical Roller Bearings

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.

Packaging & Shipping

    Embalaje en cartón y paletas para un transporte seguro

  • 3-5 days sample lead time for urgent testing needs
  • 5-15 days bulk delivery to meet production schedules
  • 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: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and can be traced through our production records.

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.

P: ¿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 normales de operación, proporcionamos reemplazo gratuito o reembolso.

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 se 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.

Q: Do you offer technical support for installation and maintenance?

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

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

Tags: Cylindrical Roller Bearings Cylindrical Roller Bearings for Industrial Machinery Industrial Machinery Bearings NJ2311E Bearings NJ2311E Precision Bearings NJ311E Bearings NJ311E Cylindrical Roller Bearings P0-P4 Precision Bearings
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