The F60 series comprises ultra-lightweight stainless steel flanged bearings that bridge the gap between ultra-thin and standard types; these bearings feature precision-machined raceways on both the inner and outer rings, designed to minimize rolling friction. This makes them ideal for precision instruments requiring low-speed startups or frequent start-stop cycles, as they help reduce energy consumption and enhance responsiveness.
Bearing Features
The flanged outer ring design greatly simplifies installation in thin-walled housings or sheet-metal structures. The flange acts as a physical stop, ensuring consistent installation depth—a critical factor for rapid assembly on high-volume automated production lines—thereby effectively reducing error rates associated with manual assembly. Constructed from SUS440 stainless steel, these bearings offer excellent chemical stability. The material's hardenability ensures resistance to plastic deformation under static loads, thereby maintaining long-term rotational precision.
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 | SF602 | ZZ | 2 | 7 | 8.5 | 2.8 | 0.7 | 3.5 | 0.9 | 0.15 | 0.382 | 0.127 | 7.3 | 8.2 |
| F | SF603 | ZZ | 3 | 9 | 10.5 | 3 | 0.7 | 5 | 1 | 0.15 | 0.568 | 0.186 | 5.5 | 6.2 |
| F | SF604 | ZZ | 4 | 12 | 13.5 | 4 | 1 | 4 | 1 | 0.2 | 0.96 | 0.353 | 4.1 | 4.6 |
| F | SF605 | ZZ | 5 | 14 | 16 | 5 | 1 | 5 | 1 | 0.2 | 1.33 | 0.51 | 3.5 | 3.9 |
| F | SF606 | ZZ | 6 | 17 | 19 | 6 | 1.2 | 6 | 1.2 | 0.3 | 2.26 | 0.843 | 2.9 | 3.2 |
| F | SF607 | ZZ | 7 | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | 2.33 | 0.892 | 2.5 | 2.8 |
| F | SF608 | ZZ | 8 | 22 | 25 | 7 | 1.5 | 7 | 1.5 | 0.3 | 3.29 | 1.38 | 2.2 | 2.5 |
| F | SF609 | ZZ | 9 | 24 | 27 | 7 | 1.5 | 7 | 1.5 | 0.3 | 3.33 | 1.42 | 2 | 2.2 |

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