D | 
                          22 mm | 
                            B | 
                          7 mm | 
                            Cr | 
                          3.45 rpm | 
                            Cor | 
                          1.37 rpm | 
                            Reference speed | 
                          95000 rpm | 
                            limit speed | 
                          53000 rpm | 
                            Type | 
                          深沟球轴承 | 
