Ball Bearing

Deep Groove Ball Bearing 6304 Zz 2RS 20x52x15mm P0-P4 Precision for Industrial Machinery

SKU: c39fc576b25a In Stock

Ensure smooth, long-lasting rotation for your industrial machinery with the Deep Groove Ball Bearing 6304—engineered to deliver consistent performance even under heavy loads. This 20x52x15mm precision bearing (P0-P4 grades) minimizes vibration (Z1V1-Z3V3) and reduces downtime, making it ideal for machine tools, conveyors, and textile equipment.

  • Choose between Zz shielded or 2RS sealed designs to protect against dust and moisture, extending service life in harsh industrial environments
  • Constructed with high-grade bearing steel for reliable radial load handling, ensuring stable operation across speeds
  • Supports both grease and oil lubrication, offering flexibility to match your maintenance routine
Wholesale Price (FOB)
¥1.55
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Tipo de Sellos

Zz, 2RS, Abierto

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0, P6, P5, P4

Vibración

,

,

Servicio

OEM, ODM

Alineando

Cojinete No Alineado

Separado

No separado

Número de Filas

Sencillo

Dirección de Carga

Rodamiento Radial

Material

Acero para rodamientos

Ángulo de contacto

Paquete de Transporte

Cartón, Palé

Especificación

20×52×15 mm

Origen

China

Código HS

8482102000

6304

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Prensas de Impresión, Cajas de Cambios

Automotriz

Agricultura

Electrodomésticos

Nueva Energía

Electric Motors, Pumps, Compressors
Harvesters, Tractors, Conveyors
Washing Machines, Fans, Refrigeration Units
Solar Panel Trackers, Wind Turbine Components

Minimize Downtime with Reliable Deep Groove Ball Bearing 6304 for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. A seized 6304 bearing in a production line can halt operations for hours, eroding profits and delaying orders. Many face challenges with inconsistent quality from low-cost suppliers, where bearings fail prematurely due to poor materials or imprecise manufacturing. Sourcing standard bearings with flexible MOQs and fast delivery often feels like an impossible balance between cost and reliability.

Precision-Engineered 6304 Bearing for Consistent Performance

Our Deep Groove Ball Bearing 6304 is designed to address these pain points head-on. With dimensions 20×52×15mm and precision ratings from P0 to P4, it meets the strict requirements of industrial machinery, ensuring smooth operation and extended service life. As an integrated manufacturer with full R&D and QC labs, we control every production step—from raw material selection to final inspection. Whether you need a single unit for emergency replacement or bulk orders for production lines, our 1pc MOQ and 5–15 day bulk delivery ensure you get the bearings you need when you need them.

Optimal Performance in Diverse Industrial Conditions

This 6304 bearing excels in radial load applications, making it ideal for high-speed rotating components in machine tools, conveyors, and electric motors. The single-row design with a 0° contact angle ensures efficient load distribution, while vibration grades Z1V1 to Z3V3 accommodate varying noise requirements—critical for precision equipment like printing presses. Available with Zz (metal shielded) or 2RS (rubber sealed) options, it provides reliable protection against contaminants, extending service life in dusty or humid industrial environments.

Características técnicas que impulsan la eficiencia de la maquinaria

The performance of your equipment depends on key bearing specifications. Our 6304 bearing’s precision rating directly impacts operational accuracy: P4 grade minimizes runout for CNC machine spindles, while P0 offers cost-effective reliability for general industrial use. Vibration levels (Z1V1 to Z3V3) reduce noise and energy consumption—essential for meeting workplace standards and optimizing machine efficiency. The choice between Zz and 2RS seals balances maintenance needs: Zz shields allow for relubrication, while 2RS seals provide superior protection in wet or dirty conditions. Made from high-grade bearing steel, this component delivers consistent hardness and wear resistance, even under continuous operation.

Por qué los rodamientos de calidad reducen el costo total de propiedad

Choosing low-quality 6304 bearings may save upfront costs, but the hidden expenses add up quickly. Premature failures lead to unplanned downtime, emergency repair fees, and potential damage to connected components. Our bearings, backed by ISO9001 and ISO14001 certifications, undergo rigorous testing to ensure durability. The 12-month global warranty covers manufacturing defects, and our defect replacement policy means you won’t bear the cost of substandard parts. For industrial machinery makers, investing in reliable bearings reduces maintenance intervals and extends equipment lifespan—lowering total cost of ownership over time.

Su Socio de Confianza para el Suministro de Rodamientos

Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East. Our commitment to quality is supported by: full in-house R&D capabilities, a dedicated QC lab for material and performance testing, and OEM/ODM customization services to meet unique specifications. We offer free technical guidance to help you select the right bearing for your application, whether it’s a standard 6304 or a custom-engineered solution. With a production capacity of over 1,000,000 units annually, we ensure stable supply even for large-scale orders. Our transparent supply chain and traceable manufacturing process give you confidence that every bearing meets your standards.

Packaging & Shipping

  • Secure carton packaging with palletization for bulk orders, ensuring protection during transit
  • Tiempo de entrega de 3 a 5 días para muestras, entrega de 5 a 15 días para pedidos al por mayor

    Opciones de envío flexibles: DHL, FedEx, UPS, transporte aéreo o transporte marítimo

    Seguimiento en tiempo real proporcionado para todos los envíos

  • 1pc MOQ for standard items, supporting both emergency repairs and small-batch purchases

Get Your 6304 Bearing Shipped Fast

Don’t let bearing issues slow down your production. Whether you need a single Deep Groove Ball Bearing 6304 for urgent repairs or a regular supply for your manufacturing line, we’re ready to fulfill your order. Send us your specifications, quantity, and application details, and we’ll provide a quote within 24 hours. The sooner you order, the sooner you can restore efficiency to your machinery.

Preguntas Frecuentes

Q: Are these bearings genuine and reliable?

A: Yes, our bearings are manufactured in-house under strict ISO9001 and ISO14001 standards. Each unit undergoes quality testing, and we provide full traceability for manufacturing processes.

Q: How do I confirm if the 6304 bearing fits my equipment?

A: Provide your equipment model, load requirements, and operating speed, and our technical team will verify compatibility and recommend the optimal precision and seal type for your application.

P: ¿Cuál es su política de garantía?

A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or refund.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale projects. Bulk discounts are available for larger orders.

Q

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.

Engineering Insights

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