Roller Bearing

High Load Cylindrical Roller Bearing NU228 NU230 NU428 NU430EM for Industrial Machinery

SKU: 1b6136e2b3d2 In Stock

Ensure smooth, heavy-duty industrial machinery operation with our High Load Cylindrical Roller Bearing—engineered to handle radial loads effortlessly while minimizing downtime. Crafted from premium bearing steel, these NU228, NU230, NU428, and NU430EM models deliver exceptional durability, making them ideal for heavy machinery where reliability directly impacts productivity.

  • Separated design allows easy mounting and maintenance, saving valuable time during equipment servicing
  • Precision ratings from P0 to P4 ensure consistent performance even in high-precision industrial applications
  • Open seals type enables flexible lubrication options (oil, grease, dry) to adapt to your specific operating conditions
  • Backed by our ISO 9001-certified manufacturing, these bearings meet strict quality standards for long service life and stable supply
Wholesale Price (FOB)
¥0.95
MOQ: 1 Piece • Bulk discounts available on inquiry
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12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dimensión Externa

35mm-180mm

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

Clasificación de Precisión

P0, P6, P5, P4, P2

Número de fila

Fila Única

Vibración

Servicio

OEM, ODM

Paquete de Transporte

Cartón, Palé

Especificación

Origen

China

Código HS

8482500090

NU228, NU230, NU428, NU430EM
Oil, Grease, Dry
V1, V2, V3, V4
140*250*42 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Automotriz

Agricultura

Cosechadoras, Tractores, Maquinaria Agrícola

Construcción

Nueva Energía

Machine Tools, Gearboxes, Printing Presses
Transmissions, Axles, Heavy-Duty Vehicles
Excavators, Loaders, Heavy Equipment
Wind Turbines, Solar Equipment Drives

Reduce Downtime with High Load Cylindrical Roller Bearings NU228 NU230 NU428 NU430EM

Industrial machinery operators know the cost of unexpected downtime—hours lost to bearing failures, replacement delays, and production halts. When standard bearings can’t handle heavy radial loads or variable operating conditions, equipment reliability suffers. Many face challenges with sourcing bearings that balance load capacity, precision, and fast delivery, especially for older or specialized machinery.

Engineered for Heavy-Duty Performance in Industrial Machinery

Our High Load Cylindrical Roller Bearing series (NU228, NU230, NU428, NU430EM) addresses these pain points with robust design and manufacturing expertise. As an integrated bearing manufacturer since 2005, we produce bearings with P0-P4 precision and Z2-Z4 noise grades, ensuring they meet the demands of industrial machinery like machine tools, gearboxes, and printing presses. The separated inner and outer rings allow for easy installation and maintenance, while the radial load capacity makes them ideal for heavy machinery applications.

Rendimiento Óptimo en Entornos de Trabajo Exigentes

These cylindrical roller bearings excel in environments with high radial loads and moderate speeds, common in industrial machinery. The open design allows for flexible lubrication options—oil, grease, or dry running—adapting to diverse operating conditions. Whether powering a CNC machine spindle or a conveyor system, the single-row structure and non-aligning design provide stable rotation under continuous stress, reducing the risk of premature failure.

Key Technical Features That Maximize Reliability

Precision rating is critical for machinery accuracy: our bearings are available in P0 to P2 grades, with tighter tolerances (P4/P2) minimizing vibration and ensuring smooth operation in high-precision equipment. Vibration levels (V1-V4) are controlled to reduce noise and extend bearing life, a vital factor in factory environments. The use of high-quality bearing steel enhances durability, while the separated design simplifies mounting, reducing installation time and labor costs.

Valor a Largo Plazo: Evite los Costos Ocultos de los Rodamientos de Calidad Inferior

Choosing low-quality bearings may save upfront costs but often leads to frequent replacements, unplanned downtime, and increased maintenance expenses. Our bearings, backed by ISO9001 and ISO14001 certifications, undergo rigorous quality control in our in-house lab, ensuring consistent performance. With a 12-month global warranty, we stand behind every product—defective bearings are replaced or refunded, protecting your investment and reducing total cost of ownership.

Por qué los compradores globales eligen los rodamientos Saifan

With over 18 years in the industry, we serve clients across Europe, America, Southeast Asia, and the Middle East. Our R&D capabilities support OEM/ODM customization, while flexible order terms—1pc MOQ for standard items, 3-5 day sample lead time, and 5-15 day bulk delivery—meet both small-scale repairs and large production runs. We provide free technical guidance to ensure proper bearing selection, and our defect replacement policy ensures peace of mind. Our commitment to stable supply and competitive pricing has made us a trusted partner for industrial machinery manufacturers worldwide.

Packaging & Shipping

    Embalaje de cartón seguro con refuerzo de palets para pedidos a granel

    Tiempo de entrega de muestra: 3–5 días; entrega a granel: 5–15 días

    Envío global a través de T/T, tarjeta de crédito o términos comerciales de Alibaba

    Muestras gratuitas disponibles (el comprador cubre el flete)

  • 1pc MOQ for standard items, supporting emergency maintenance needs

Get Your High Load Cylindrical Roller Bearings Today

Don’t let bearing issues disrupt your production schedule. Whether you need NU228, NU230, NU428, NU430EM, or custom specifications, our team can provide a tailored solution. Send us your bearing model, application details, and quantity, and we’ll deliver a quote within 24 hours—with fast shipping to get your machinery back to work.

Preguntas Frecuentes

P: ¿Son estos rodamientos genuinos y trazables?

A: Yes, all our bearings are manufactured in-house under strict quality controls and come with full traceability. We also supply authentic NSK/INA bearings for specific requirements.

Q: How do I confirm the correct bearing model for my equipment?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will help verify the right bearing specification for your application.

P: ¿Cuál es su política de garantía?

A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, with responsive after-sales support.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale needs. Custom orders may have different requirements based on specifications.

Q: ¿Qué tan rápido puedo recibir mi pedido?

A: Samples ship in 3–5 days, and bulk orders in 5–15 days. We work with global logistics providers to ensure timely delivery to your location.

Q: Can you provide technical support for installation?

A: Yes, our team offers free technical guidance on installation, lubrication, and maintenance to maximize bearing performance and lifespan.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

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