Heavy Duty Double Row Angular Contact Ball Bearing 3218-a for Construction Machinery
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing SKF Bearings SKF Bearings

Heavy Duty Double Row Angular Contact Ball Bearing 3218-a for Construction Machinery

Minimize downtime and maximize productivity with the Heavy Duty Double Row Angular Contact Ball Bearing 3218-a for Construction Machinery—engineered to handle the extreme radial and axial loads of excavators and heavy equipment. Crafted from high-grade bearing steel with precision ratings up to P4, this double row angular contact design delivers stable rotation even in dusty, high-vibration worksites, ensuring your machinery runs smoothly shift after shift.

  • Steel, copper, or nylon cage options let you tailor performance to specific operating conditions, from high-temperature environments to corrosive job sites
  • Precision-machined raceways reduce friction and noise, extending service life while maintaining the accuracy critical for heavy construction applications
  • Backed by our ISO 9001-certified quality control and 12-month warranty, so you can focus on the job without worrying about component failure

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

Separado

Separado

Número de Filas

Doble

Dirección de Carga

Rodamiento Radial

Material

Acero para rodamientos

Clasificación de Precisión

Tipo

Estructura

Jaula

Lubricación

Paquete de Transporte

Palé de Cartón

Especificación

Marca registrada

Origen

Capacidad de Producción

1000000

Double Row Angular Contact Ball Bearing
P0, P2, P4, P5, P6
Ball
Angular Contact
Steel Cage, Copper Cage, Nylon Cage
Oil Grease
As Your Request
SKF
Jiangsu China

Industrias de Aplicación

Industria

Equipo Típico

Construcción

Excavadoras, Cargadoras, Bulldozers

Maquinaria Industrial

Agricultura

Tractores, Cosechadoras

Gearboxes, Reducers, Conveyors

Minimize Downtime with Heavy Duty Double Row Angular Contact Ball Bearing 3218-a for Construction Machinery

Construction machinery operators know the cost of unexpected downtime—each hour of halted work eats into project deadlines and profits. Many face premature bearing failures due to substandard materials or imprecise manufacturing, especially in high-load applications like excavator booms and loader arms. Sourcing reliable bearings often means navigating minimum order quantities that don’t fit urgent repair needs, or waiting weeks for custom specifications.

Engineered for Heavy Loads, Delivered When You Need It

The Heavy Duty Double Row Angular Contact Ball Bearing 3218-a addresses these challenges with its robust design and flexible supply options. As a professional bearing manufacturer with decades of export experience, we support 1 piece MOQ for standard bearings, ensuring you can secure critical replacements without overstocking. Our automated production lines and strict quality control—from raw material inspection to dimensional testing—guarantee consistent performance in harsh construction environments.

Rendimiento Optimizado en Condiciones Exigentes

This Double Row Angular Contact Bearing excels in applications requiring simultaneous radial and axial load handling, such as construction machinery pivots and gearbox shafts. Its double-row structure distributes heavy loads evenly, reducing stress on individual components and extending service life. Whether operating under dust, vibration, or temperature fluctuations, the bearing maintains stability, thanks to high-grade bearing steel and precision machining up to P4 grade.

Características Técnicas Clave que Importan

Precision rating options (P0 to P4) ensure compatibility with everything from general machinery to high-precision equipment, minimizing noise and vibration during operation. The choice of steel, copper, or nylon cages allows customization based on speed and temperature requirements—steel cages offer durability for heavy loads, while nylon cages reduce friction in high-speed applications. Lubricated with high-performance grease, the bearing arrives ready for installation, reducing maintenance time and ensuring immediate reliability.

Por qué escatimar en rodamientos cuesta más

Counterfeit or low-quality bearings may save on initial costs, but they often fail prematurely, leading to expensive equipment repairs and project delays. Our bearings meet ISO international standards and undergo rigorous testing, including noise and vibration analysis, to ensure they withstand the demands of construction machinery. With a 12-month warranty and free replacement for qualified defects, investing in genuine Heavy Duty Bearings reduces long-term operational costs and enhances job site safety.

Su Socio de Confianza para Soluciones de Rodamientos

With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality and environmental standards. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring optimal performance for your specific equipment. We serve customers across Europe, North America, Southeast Asia, and the Middle East, offering multiple payment methods (T/T, Credit Card, Alibaba) and efficient delivery—3-5 working days for samples and 5-15 days for bulk orders.

Packaging & Shipping

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

    Los pedidos de muestra se envían dentro de 3-5 días hábiles; los pedidos al por mayor dentro de 5-15 días hábiles

  • Flexible logistics options including express (DHL, FedEx) and sea freight
  • Seguimiento en tiempo real proporcionado para todos los envíos

    1 pieza MOQ para rodamientos estándar, con cantidades de pedido personalizadas negociables

Get Your 3218-a Bearing Today

Don’t let bearing failures delay your construction projects. Contact us with your equipment details, required quantity, and customization needs, and our team will provide a tailored quote within 24 hours. With free samples available for distributors and wholesalers (freight cost borne by customer), you can test performance before committing to bulk orders.

Preguntas Frecuentes

P: ¿Es este rodamiento un producto original genuino?

A: We supply genuine original brand bearings, including NSK, INA, and others, with full traceability and authenticity guaranteed.

Q: How can I confirm if the 3218-a bearing fits my construction machinery?

A: Provide your equipment model, load requirements, and operating conditions, and our technical team will verify compatibility and offer free selection support.

P: ¿Cuál es la política de garantía para este rodamiento?

A: Todos los productos vienen con una garantía de 12 meses a partir de la fecha de entrega, cubriendo defectos de fabricación con opciones de reemplazo o reembolso gratuito.

Q: What is the minimum order quantity for the 3218-a bearing?

A: Standard bearings have a 1 piece MOQ, making it easy to source single units for emergency repairs.

P: ¿Cuánto tiempo tarda el envío para pedidos internacionales?

A: Sample orders ship in 3-5 working days, while bulk orders take 5-15 working days, with logistics times varying by destination.

P: ¿Cómo garantiza el control de calidad para cada rodamiento?

A: We conduct strict incoming material inspections, full-process production supervision, and comprehensive performance tests in our in-house laboratory, including dimensional detection and noise testing.

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

Tags: 3218-a Bearing Angular Contact Ball Bearing Angular Contact Ball Bearing 3218-a Construction Machinery Bearing Double Row Angular Contact Bearing Heavy Duty Bearing for Construction Machinery Heavy Duty Double Row Angular Contact Ball Bearing High Precision 3218-a Ball Bearing
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