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

Product Specifications

Application Industries

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.

Technical Features That Drive Machinery Efficiency

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.

Why Quality Bearings Reduce Total Cost of Ownership

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.

Your Trusted Partner for Bearing Supply

Packaging & Shipping

• Secure carton packaging with palletization for bulk orders, ensuring protection during transit
• 3–5 day lead time for samples, 5–15 day delivery for bulk orders
• Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
• Real-time tracking provided for all shipments
• 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.

Frequently Asked Questions