Product Overview

The ZUNKU 6203-2RS is a deep groove ball bearing designed for smooth, efficient, and reliable rotation in industrial and mechanical systems. Known for its compact design and versatility, this bearing is widely used in electric motors, gearboxes, pumps, conveyors, and a variety of machinery requiring low-friction performance and long service life. The ZUNKU 6203-2RS features double-sided rubber seals, protecting the internal rolling elements from dust, moisture, and contaminants, ensuring stable operation even in harsh environments.

Engineered with precision, the ZUNKU 6203-2RS provides excellent load-carrying capacity, both radial and axial, while maintaining low noise and vibration levels. Its sealed-for-life design eliminates the need for frequent re-lubrication, reducing maintenance requirements and increasing overall reliability.

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Technical Specifications

Key Features and Benefits

The ZUNKU 6203-2RS offers a combination of durability, precision, and low-maintenance operation, making it one of the most widely used bearings in industrial and mechanical applications. Its deep groove design allows it to support both radial and axial loads, providing flexibility for use in diverse systems such as motors, fans, conveyors, and pumps.

One of the primary benefits of the ZUNKU 6203-2RS is its double rubber seals (2RS), which protect against dust, moisture, and contaminants. This sealed design extends bearing life and ensures consistent performance, particularly in environments where lubrication maintenance is difficult or contamination risks are high.

Another advantage is its smooth running characteristics. The bearing is engineered for quiet, vibration-free operation, which is particularly important in electric motors, HVAC equipment, and precision machinery. Its pre-lubricated, sealed-for-life design eliminates the need for periodic re-greasing, reducing maintenance costs and improving uptime.

Constructed from high-quality steel, the ZUNKU 6203-2RS offers excellent wear resistance and long service life under demanding conditions. Whether used in industrial equipment, automotive systems, or general machinery, it delivers reliable, long-lasting performance with minimal maintenance requirements.

Related Models

• 6203-ZZ – Shielded version with metal shields on both sides instead of rubber seals.

• 6203-2Z – Similar shielded type, offering reduced friction for high-speed applications.

• 6203-2RS-C3 – Variant with C3 clearance for higher-speed and high-temperature operation.

• 6202-2RS – Smaller bore size (15 mm) for lighter-duty applications.

• 6204-2RS – Larger bore size (20 mm) for heavier radial load requirements.

• 6303-2RS – Heavy-duty version with increased load capacity.

• 6003-2RS – Slimmer profile bearing suitable for compact machinery.

• 6203-2RSH – Sealed variant optimized for high sealing efficiency.