NSK 6219 6220 6221 ZZ Deep Groove Ball Bearings Machine Tool

Product Specifications

Application Suitability

Need Reliable NSK 6219 Deep Groove Ball Bearings? Here’s What Matters

Finding the right deep groove ball bearings for machine tools can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings cause premature wear, increasing downtime and maintenance costs. Sourcing from multiple suppliers for different brands only complicates the process further.

Engineered for Consistent Performance in Machine Tools

This NSK 6219 deep groove ball bearing addresses these issues with its precision manufacturing and versatile design. As a专业轴承供应商 (professional bearing supplier) with ISO 9001-certified processes, we ensure each bearing meets strict quality standards. Our extensive inventory includes not just NSK but also other international brands, allowing you to source all required bearings from a single partner.

Optimal Performance in High-Precision Applications

Designed for radial load handling with a 0° contact angle, this bearing excels in machine tool spindles and automation equipment where rotational accuracy is critical. Its single-row, unseparated structure maintains stability even under variable speeds, while the P0-P4 precision ratings accommodate applications from general machinery to high-precision CNC systems. The Z1V1-Z3V3 vibration classes further ensure smooth operation in sensitive equipment.

Key Engineering Features That Impact Reliability

The 95mm bore (d), 170mm outer diameter (D), and 32mm width (B) dimensions follow international standards, ensuring interchangeability with major brands. Constructed from high-quality bearing steel, it offers excellent hardness and wear resistance—essential properties for withstanding the continuous operation typical in machine tools. Available with ZZ (metal shield) or 2RS (rubber seal) options, the bearing can be configured to prevent contamination in harsh workshop environments, extending service life. Grease or oil lubrication flexibility allows adaptation to specific operating conditions, from high-speed spindles to heavy-load feed drives.

Why Choosing the Right Bearing Reduces Total Cost

Investing in a precision deep groove ball bearing like the NSK 6219 minimizes long-term costs. Inferior bearings often fail early due to material inconsistencies or poor tolerances, leading to unplanned downtime and expensive repairs. This bearing’s robust construction and strict quality control—including raw material inspection and成品检测 (finished product testing)—reduce the risk of premature failure. By selecting the appropriate precision rating and seal type upfront, you avoid costly retrofits and ensure optimal performance throughout the equipment’s lifespan.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons and pallets to ensure safe transportation
• Available from现货库存 (ready stock) for immediate dispatch
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantity supported, ideal for both small batches and large-scale purchases

Request a Quote for NSK 6219 Deep Groove Ball Bearings

Whether you need the NSK 6219 model or other deep groove ball bearings, provide us with your required specifications, quantity, and delivery location. Our team will respond promptly with a competitive quote and availability. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.

Frequently Asked Questions