Famous Brand Bearing

Wide Clearance Double Row Cylindrical Roller Bearing Nu311 Ec P/C3 for Industrial Machinery

SKU: 50fd71ba1229 In Stock

Ensure smooth, reliable rotation in your industrial machinery with the Wide Clearance Double Row Cylindrical Roller Bearing NU311 EC P/C3—designed to handle heavy radial loads and accommodate thermal expansion, reducing downtime in high-temperature operations. Crafted from premium bearing steel with 60-64 HRC hardness, this separated-type bearing (NU311 EC series) delivers exceptional durability, making it ideal for machine tools, reducers, and other industrial equipment where precision and long service life are non-negotiable.

  • P/C3 clearance ensures optimal performance under varying load conditions, solving alignment challenges in dynamic machinery setups
  • Brass or steel cage options provide stable roller guidance, minimizing vibration (Z1V1-Z3V3 grades) for quieter operation
  • Backed by Saifan’s ISO 9001:2015 quality certification and 12-month warranty, ensuring consistent performance you can trust
Wholesale Price (FOB)
¥1.00
MOQ: 1 Piece • Bulk discounts available on inquiry
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12-Month Warranty
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Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dimensión Externa

Mediano y Grande(120-190mm)

Material

Acero para rodamientos

Esférico

Rodamientos No Alineados

Dirección de Carga

Separado

Separado

Liquidación

Jaula

Vibración

Paquete de Transporte

Palet de cartón

Código HS

Double Row Cylindrical Roller Bearing
Axial Bearing
C0 C2 C3 C4 C5
Brass, Steel
Z1V1 Z2V2 Z3V3
Hardness 60-64 HRC
8482800000

Industrias de Aplicación

Industria

Equipo Típico

Fabricación Industrial

Herramientas de Máquina, Cajas de Engranajes, Reductores

Automotriz

Sistemas de Transmisión, Ejes

Maquinaria Agrícola

Tractores, Cosechadoras

Ingeniería

Excavators, Heavy Duty Machinery

Reduce Downtime with Wide Clearance Double Row Cylindrical Roller Bearing NU311 EC P/C3

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Misalignment, heavy loads, and temperature fluctuations often lead to premature wear, especially in standard clearance bearings. Sourcing reliable replacement parts with flexible MOQ and fast delivery can be another challenge, disrupting maintenance schedules and production timelines.

Diseñado para un Rendimiento Industrial de Alta Resistencia

The Wide Clearance Double Row Cylindrical Roller Bearing NU311 EC P/C3 addresses these pain points with precision design and robust construction. As a professional bearing manufacturer with decades of export experience, we ensure this bearing meets strict quality standards, supporting industrial machinery in high-load, high-temperature environments. Its separated structure allows for easy installation and maintenance, making it ideal for gearboxes, reducers, and machine tool spindles where reliability is critical.

Rendimiento Óptimo en Condiciones Exigentes

This Double Row Cylindrical Roller Bearing excels in applications with radial loads and moderate axial displacement. The P/C3 clearance grade provides extra space to accommodate thermal expansion and shaft misalignment, common in industrial machinery operating at variable speeds. With a hardness of 60-64 HRC, it delivers exceptional wear resistance, ensuring long service life even under continuous operation. Whether in agricultural equipment or heavy engineering machinery, this bearing maintains stable performance under heavy loads.

Características Técnicas Clave Que Importan

The NU311 EC P/C3 bearing’s technical specifications directly impact its performance in industrial settings. The double row design increases radial load capacity compared to single row bearings, making it suitable for high-torque applications. Cage options of brass or steel offer durability—brass cages excel in high-speed scenarios with better heat dissipation, while steel cages provide enhanced strength for heavy shock loads. Vibration grades Z1V1 to Z3V3 ensure smooth operation, reducing noise and extending equipment lifespan. The choice of C3 clearance is particularly beneficial for machinery with temperature variations, preventing seizure and maintaining operational efficiency.

Por qué los rodamientos genuinos reducen los costos totales

Choosing genuine Wide Clearance Cylindrical Roller Bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail prematurely, leading to unplanned downtime, expensive repairs, and potential damage to adjacent components. Our bearings adhere to ISO international standards, with strict incoming material inspection and full-process production supervision. Each unit undergoes dimensional detection and performance testing, ensuring consistent quality. The 12-month warranty further protects your investment, covering manufacturing defects with free replacement or refund options.

Nuestro Compromiso con el Suministro Confiable

With over 18 years of manufacturing experience, we serve customers across Europe, North America, Southeast Asia, and the Middle East. Our factory is equipped with advanced precision processing equipment and automated production lines, capable of producing bearings from P0 to P4 precision grades. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without MOQ, supporting both small-scale maintenance and large-volume production needs. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring optimal performance in your specific application. Certified with ISO 9001:2015 and ISO 14001, we maintain strict quality control throughout production and delivery.

Packaging & Shipping

  • Carton pallet packaging ensures safe transportation and storage

    • Los pedidos de muestra se envían dentro de 3-5 días hábiles

    Pedidos al por mayor entregados en 5-15 días hábiles

  • Multiple logistics options available to meet global delivery requirements
  • 1 piece MOQ for standard bearings, ideal for emergency repairs

Asegure su suministro de rodamientos hoy

Don’t let bearing issues disrupt your production schedule. The NU311 EC P/C3 Wide Clearance Double Row Cylindrical Roller Bearing is designed to handle the demands of industrial machinery, providing reliable performance and long service life. Contact us with your specific requirements, and our team will ensure you get the right bearing for your application, delivered on time.

Preguntas Frecuentes

P: ¿Son estos rodamientos genuinos y trazables?

A: Yes, we maintain a strict quality control system with full-process supervision. All products meet ISO international standards, and we can provide documentation to trace the manufacturing process upon request.

P: ¿Cómo confirmo si este rodamiento se ajusta a mi equipo?

A: Provide your equipment model, load requirements, and operating conditions. Our technical team offers free选型 guidance to ensure compatibility and optimal performance.

P: ¿Cuál es la política de garantía?

A: Ofrecemos una garantía de 12 meses a partir de la fecha de recepción. Los productos defectuosos calificados son elegibles para reemplazo gratuito o reembolso.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard bearings have a 1 piece MOQ, supporting emergency维修 and small-scale purchases. Customized orders have negotiable quantities.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days. We offer flexible logistics options to meet your delivery timeline.

Q: How can I verify the bearing’s quality upon receipt?

A: Our bearings undergo unified standard finished product inspection. You can check dimensional accuracy, hardness, and clearance using standard industrial tools, or contact our technical team for support.

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

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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