Inner ring

 Designation        Bore size       Outside Diameter           Height

IR                          5                          8                              12

IR                          5                          8                                6

IR                          6                          9                              12

IR                          6                          9                              16

IR                          6                          10                            10

IR                          6                          10                             12

IR                          7                          10                            10.5

IR                          7                          10                           12   

IR                          7                          10                           12   

IR                          7                          10                           16

IR                          8                          12                            10  

IR                          8                          12                            10.5

IR                          8                         12                              12  

IR                          70                        80                             25

IR                         65                         75                             28 

LR Series,

LR7*10*10.5

LR8*12*10.5

LR10*13*12.5

LR10*13*12.5

LR12*15*12.5

LR12*15*16.5

LR12*15*22.5

LR15*18*12.5

LR15*18*15.5

LR17*20*16.5

LR17*20*20.5

LR17*20*23.5

LR20*25*12.5

LR20*25*16.5