This series of bearings has garnered widespread acclaim from users for its balanced performance metrics and broad applicability. As a standard precision component, it achieves a great proportional balance among its inner diameter, outer diameter, and thickness—thereby ensuring both sufficient structural strength and exceptional performance at high speeds. By using high-quality manufacturing materials and precision assembly processes, this bearing series meets the stringent rotational accuracy requirements of a wide range of general-purpose precision machinery.
Bearing Features
In terms of technical performance, the rotational speed capabilities of this series are particularly outstanding. To achieve such high speeds, the bearings underwent micron-level optimization of their raceway roughness and ball sphericity during the R&D phase, with the specific aim of minimizing operational resistance. This characteristic results in minimal temperature rise during operation, thereby effectively safeguarding surrounding plastic components and precision electronic devices.
This series finds extensive application in computer peripherals, office automation equipment, micro-motors, and fishing tackle. In office equipment, its low-noise characteristics contribute to creating a quiet working environment; conversely, in outdoor gear such as fishing tackle, its dust-resistant and corrosion-resistant design ensures that performance remains as smooth as ever, even in challenging environmental conditions.
Technical Specifications
| Bearing Reference | Boundary Diameters | Basic Dynamic | Basic Static | Limiting Speeds | ||||||||||
| Flange | Open | Shield | d mm |
D mm |
Df mm |
B mm |
Bf mm |
B1 mm |
Bf1 mm |
rsmin mm |
Cr(kN) | Cor(kN) | Grease | Oil |
| F | 602 | ZZ | 2 | 7 | 8.5 | 2.8 | 0.7 | 3.5 | 0.9 | 0.15 | 0.382 | 0.127 | 7.3 | 8.2 |
| F | 603 | ZZ | 3 | 9 | 10.5 | 3 | 0.7 | 5 | 1 | 0.15 | 0.568 | 0.186 | 5.5 | 6.2 |
| F | 604 | ZZ | 4 | 12 | 13.5 | 4 | 1 | 4 | 1 | 0.2 | 0.96 | 0.353 | 4.1 | 4.6 |
| F | 605 | ZZ | 5 | 14 | 16 | 5 | 1 | 5 | 1 | 0.2 | 1.33 | 0.51 | 3.5 | 3.9 |
| F | 606 | ZZ | 6 | 17 | 19 | 6 | 1.2 | 6 | 1.2 | 0.3 | 2.26 | 0.843 | 2.9 | 3.2 |
| F | 607 | ZZ | 7 | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | 2.33 | 0.892 | 2.5 | 2.8 |
| F | 608 | ZZ | 8 | 22 | 25 | 7 | 1.5 | 7 | 1.5 | 0.3 | 3.29 | 1.38 | 2.2 | 2.5 |
| F | 609 | ZZ | 9 | 24 | 27 | 7 | 1.5 | 7 | 1.5 | 0.3 | 3.33 | 1.42 | 2 | 2.2 |

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