603 2RS Miniature Bearing 3x9x5
Rubber seals on the 603 2RS ball bearings keep out dirt etc. This also helps preserve the lubricant. These deep groove ball bearings are versatile, durable and relatively easy to maintain.
Advanced Protection with Rubber Seals
When selecting components for high-precision machinery, protection against environmental contaminants is a top priority. Bearings equipped with double rubber seals offer superior defense compared to standard metal shields. The synthetic rubber lips create a tight physical contact with the inner ring, effectively blocking dust, dirt, mud, and moisture. This robust sealing mechanism ensures that the factory-applied premium grease remains securely inside the raceway, providing consistent lubrication throughout the product’s lifespan. By preventing lubricant leakage and keeping contaminants out, these sealed components drastically reduce the need for regular maintenance and minimize the risk of premature failure in demanding environments.
Versatile Applications in Modern Industry
The compact design and reliable performance of miniature sealed bearings make them indispensable across a wide range of industries. They are frequently utilized in precision medical devices, where smooth and quiet operation is critical. Additionally, they are a popular choice for small electric motors, automated packaging machinery, and high-end robotics. Hobbyists also rely heavily on these durable parts for remote-controlled vehicles, drones, and 3D printers, where exposure to outdoor elements or debris is common.
Commitment to Manufacturing Excellence
As an experienced OEM manufacturer, we are dedicated to delivering products that meet the highest international standards. Every item off our production line undergoes rigorous quality control, including tests for dimensional accuracy, rotational smoothness, and noise reduction. We understand that different projects have unique requirements, which is why we offer customizable solutions, including specific ABEC precision ratings and specialized high-temperature lubricants. Whether you are assembling complex industrial machinery or consumer electronics, our precision components are engineered to deliver optimal efficiency and long-lasting reliability.
● Miniature ball bearing with smallest dimensions
● Premium Quality Precision Ball Bearing
● Fine Hones Race Ways
● High-speed capability
● Require little maintenance
● Uses Superior Grade-10 Bearing Balls
If you have any questions about our products, please contact us and get more detailed information.
For any inquiries, please contact with our Supporting Team at sales@yuanhecd.com.
| Model | 603 2RS |
| Item | Miniature Ball Bearings |
| Type | Shielded |
| Bore Dia. | 3 mm |
| Outside Dia. | 9 mm |
| Width4 | 5 mm |
| ABEC Tolerance | 3 |
| Dynamic Load Capacity (kN) | 0.15kN |
| Static Load Capacity (kN) | 0.219kN |
| Max. RPM | 59,000RPM |
| Temp. Range (℃) | -40~120℃ |
| Material | Steel |
| Shield Material | （NBR+SPCC） Nitrile rubber + mild steel (NBR + SPCC) |
| Lubrication | Grease |
603 2RS miniature bearings consist of three parts: an inner ring, an outer ring and balls that separate the rings. It has a diameter of 3mm, a width of 9mm and a thickness of 5mm. Made of bearing steel, the 603 2RS is durable and resistant to rust, corrosion and deformation, with shields on both sides to prevent lubricant ingress and contamination.
It is suitable for various industrial equipment, agricultural machinery, conveying equipment, robots, dental equipment, elevator micro motors, small rotary motors, office equipment, etc.
Other types of ball bearings are also available: 693 ZZ, 694 2RS, 685 ZZ. If you’re interested in our procucts, please feel free to contact us.
