The R1-5 model combines the versatility of imperial dimensions with the functional advantages of SUS304 stainless steel. Its key strength lies in its non-magnetic properties; the bearing generates neither eddy-current heating nor magnetic drag in strong magnetic fields, thereby ensuring the integrity of mechanical motion. In terms of manufacturing, the raceways undergo high-precision chemical polishing, further enhancing corrosion resistance—particularly at critical boundary areas.
Bearing Features
These bearings are widely used in medical imaging equipment (such as MRI components), semiconductor production lines, and underwater exploration instruments. Thanks to the excellent ductility of the 304 material, the bearing retains superior mechanical properties even in extremely low-temperature environments—avoiding the brittle fracture common to standard carbon steels—and thus ensures reliable precision rotation under cryogenic conditions.
Technical Specifications
| Bearing Reference | Boundary Diameters | Basic Dynamic | Basic Static | Limiting Speeds | ||||||||||||||||||
| Flange | Open | Shield | d inch |
d mm |
D inch |
D mm |
Df inch |
Df mm |
B inch |
B mm |
Bf inch |
Bf mm |
B1 inch |
B1 mm |
Bf1 inch |
Bf1 mm |
rsmin inch |
rsmin mm |
Cr kN |
Cor kN |
Grease | Oil |
| F | SR1-5 | ZZ | 0.0938 | 2.381 | 0.3125 | 7.938 | 0.359 | 9.119 | 0.1094 | 2.778 | 0.023 | 0.584 | 0.1406 | 3.572 | 0.031 | 0.787 | 0.0039 | 0.1 | 0.549 | 0.176 | 6.4 | 7.2 |

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