6212 C4 Deep Groove Ball Bearing 55x100x21mm Wholesale Zz RS

Product Specifications

Application Suitability

Struggling to Find a Reliable 6212 Deep Groove Ball Bearing? Here’s What Matters

When sourcing bearings for critical machinery, mismatched dimensions or poor material quality often lead to unexpected downtime. Many buyers face the hassle of cross-referencing multiple brands or waiting weeks for stock. As a supplier handling thousands of bearing inquiries yearly, we know the frustration of receiving a part that doesn’t fit or fails prematurely.

Built for Consistent Performance in Demanding Applications

This 6212 deep groove ball bearing addresses common pain points with interchangeable dimensions (55x100x21mm) that align with international standards, ensuring direct replacement in existing setups. Our ISO 9001 certified production process includes raw material inspection and成品 testing for hardness and dimensional accuracy, minimizing the risk of early failure. With现货库存 available, we eliminate long lead times, whether you need a single unit for maintenance or bulk orders for manufacturing.

Optimal Performance in Radial Load Applications

Designed as a radial bearing with a 0° contact angle, this 6212 model excels in applications with primarily radial loads, such as electric motor shafts and conveyor rollers. Its single-row design and unseparated structure provide stability at moderate speeds, while available seal options (Zz, 2RS, Open) allow customization for environments with varying levels of contamination. The bearing steel construction ensures durability in temperatures typical of industrial settings, making it suitable for continuous operation in machinery like pumps and gearboxes.

Engineering Details That Impact Reliability

The precision rating options (from P0 to P2) directly affect rotational accuracy—choosing P5 or higher is critical for high-speed equipment where vibration must be minimized. Vibration classes Z1V1 to Z3V3 further refine performance; Z3V3 is ideal for noise-sensitive applications like medical devices. The lubrication flexibility (grease or oil) allows adaptation to operating conditions: grease for low-maintenance setups and oil for high-temperature environments. Proper seal selection matters too—2RS seals offer better dust protection than Zz shields, extending service life in dirty industrial settings.

Why Choosing the Right 6212 Bearing Lowers Total Costs

Opting for a quality 6212 bearing reduces hidden expenses associated with劣质替代品. A bearing with substandard hardness may wear prematurely, leading to shaft damage and costly repairs. Precision-machined components ensure proper fit, avoiding excessive vibration that strains adjacent parts. While upfront costs might be higher, the extended service life and reduced downtime mean lower total cost of ownership over time. This aligns with ISO 281 guidelines, which emphasize that bearing life depends on material quality and manufacturing precision.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons with pallet options for bulk orders
• 现货库存 available for immediate dispatch
• Flexible shipping via courier, air, or sea freight
• Low minimum order quantity, supporting both small repairs and large production runs

Get Your 6212 Bearing Quote Today

Whether you need the 6212 bearing with Zz seals, 2RS seals, or open design, provide your required specifications—including precision class and quantity—and we’ll deliver a competitive quote. Our team can also assist with cross-referencing if you’re replacing a bearing from another brand. The sooner you confirm your order, the sooner we can ship, minimizing your equipment downtime.

Frequently Asked Questions