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Carbon Steel Miniature Bearings | High Speed Low Noise
Miniature mechanical equipment requires compact, precise, and stable bearing solutions. 603, 604, 605, 606, and 607 carbon steel bearings are standard 600-series deep groove ball bearings widely used for small rotating components. They feature precise rolling performance, stable high-speed rotation, ultra-low noise and reliable sealing, delivering cost-effective and durable operation for micro motors, smart home devices, precision instruments and model equipment.
Core Features
Precision Rolling: Finished raceway and uniform steel ball arrangement ensure smooth rotation, low friction and long service life.
Dual Sealing Options: Open, ZZ metal shield and 2RS rubber seal types are available to prevent dust, water splash and impurity intrusion.
High Speed Performance: Standard internal clearance design supports high-limit rotating speed, perfectly suited for high-speed miniature motor operation.
Low Noise & Low Vibration: High-precision surface treatment reduces running vibration, achieving quiet operation for noise-sensitive devices.
Cost-Effective Carbon Steel Material: High-hardness carbon steel provides excellent wear resistance with lower cost than stainless steel bearings, ideal for mass production procurement.
Technical Specifications
We provide P0/P6 precision grade 603-607 carbon steel miniature bearings with optional open, ZZ and 2RS sealing types. Custom clearance is available on request.
Model MM | Inner Diameter MM | Outer Diameter MM | Width MM | Max Speed rpm |
| 603 | 3 | 9 | 5 | 52000 |
| 604 | 4 | 12 | 4 | 4800 |
| 605 | 5 | 14 | 5 | 4800 |
| 606 | 6 | 17 | 6 | 40000 |
| 607 | 7 | 19 | 6 | 38000 |
Application Range
English：603 to 607 carbon steel miniature bearings are widely used in micro motors, small cooling fans, precision instruments, printers, scanning equipment, RC drones, model toys, small household appliances and miniature transmission mechanisms, ideal for limited-space and low-noise working scenarios.
Our Advantages
We supply full-range 600 series miniature carbon steel bearings with stable quality, fast delivery, customizable precision and sealing types. OEM & bulk order support is available for global customers.
Contact Us
If you need samples, quotations or further technical support, please feel free to contact us: Email: info@novabearing.com , We will reply to you within 24 hours.
For more knowledge about miniature bearing selection and applications, please check our other articles.
