While retaining the advantages of miniaturization, this series of products features increased wall thickness and ball diameter. This design enhances both the bearing's static load rating and its resistance to shock loads. Heat treatment of the bearing steel ensures a uniform internal microstructure, guaranteeing consistent performance across varying operating temperatures.
Bearing Features
During production, these bearings strictly adhere to metric precision standards. The roundness of the inner and outer raceways is controlled to the micron level, which not only reduces frictional resistance during operation but also improves energy conversion efficiency.
Technical Specifications
| Bearing Reference | Boundary Diameters | Basic Dynamic | Basic Static | Limiting Speeds | |||||||||
| d | D | Df/Df1 | B | Bf | B1 | Bf1 | rsmin | ||||||
| Open | Shield | mm | mm | mm | mm | mm | mm | mm | mm | Cr(kN) | Cor(kN) | Grease | Oil |
| MR115 | ZZ | 5 | 11 | - | - | 4 | - | 0.15 | 0.715 | 0.294 | 4.1 | 4.6 | |
| MR117 | - | 7 | 11 | - | 2.5 | - | - | - | 0.15 | 0.451 | 0.206 | 3.7 | 4.1 |

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