IR LR Series bearing inner ring main types:

lR5X8X12
lR5X8X16
lR6X9X12
lR6X9X16
lR6X10X10
lR6X10X12
lR7X10X10.5
lR7X10X12
lR7X10X15.5 
lR7X10X16
lR06X12X10.5C 
lR8X12X10
lR/LR8X12X10.5
lR8X12X12
lR/LR8X12X12.5
lR8X12X15.5 
lR8X12X16  
lR8X12X5.5  
lR8X13X39 
lR9X12X7 
lR9X12X12
lR9X12X12.5 
lR9X12X16
lR9X16X16 
IR10X13X12 
lR/IR10X13X12.5
IR10X14X12
IR10X14X13
IR10X14X14
IR10X14X16
IR10X14X16.5 
IR10X14X20
IR10X14X20.5 
IR10X15X13 
IR10X15X13.5 
IR10X15X20.5  
IR10X15X25.5  
IR10X16X14  
IR10X16X15
IR10X16X16  
IR10X17X15 
IR10X20X20.5 
IR10X20X30.5 
IR12X14X15.5
IR12X15X12
lR/IR12X15X12.5
IR12X15X16
lR/IR12X15X16.5
lR/IR12X15X22.5
IR12X15X16.5  
lR12X15X16  
IR12X15X19 
IR12X15X22.5  
IR12X16X12
IR12X16X12  
IR12X16X12.5  
IR12X16X13
IR12X16X14
IR12X16X14.5 
IR12X16X15 
IR12X16X16
IR12X16X16 
IR12X16X16.5  
IR12X16X17 
IR12X16X20
IR12X16X20.5 
IR12X16X22  
IR12X16X22.5  
IR12X16X23.5  
IR12X17X15.5 
IR12X17X20  
IR12X17X20.5  
IR12X17X22.5  
IR12X17X25.5  
IR13X16X20.5  
IR14X16X16  
IR14X17X17
IRl4X25X30  
IRl5X18X12.5
IRl5X18X15.5  
IRl5X18X16
IRl5X18X16.5
IRl5X18X17.5  
IRl5X18X20.5  
IRl5X199X10  
IRl5X19X13.5 
IRl5X19X16
IRl5X19X16.5 
IRl5X19X20
IRl5X19X20.5 
IRl5X20X12
IRl5X20X13
IRl5X20X14
IRl5X20x14  
IRl5X20X15  
IRl5X20X15.5 
IRl5X20X16 
IRl5X20X18  
IRl5X20X20  
IR15X20X20.5  
IRl5X20X23
IR15X20X25.5  
IR15X20X30.5 
IRl6X20X14  
IRl6X20X16 
IRl6X20X20  
IRl6X20X32 
IRl6X24X20  
IRl7X20X16
IRl7X20X16.5
IRl7X20X20
IRl7X20X30  
IR17X20X30.5
IRl7X21X16
IRl7X21X16.5 
IRl7X21X20
IRl7X21X20.5  
IRl7X22X13
IRl7X22X14
IRl7X22X15.5  
IRl7X22X16
IR17X22X20.5 
IRl7X22X23
IRl7X22X26  
IRl7X22X32 
IRl7X22X20
IRl8X22X17.8  
IRl8X22X19  
IR20X24X16
IR20X24X16.5 
IR20X24X28.5  
IR20X25X10.5  
IR20X25X12.5
IR20X25X15.5  
IR20X25X17
IR20X25X18
IR20X25X20
IR20X25X20.5
IR20X25X23  
IR20X25X25 
IR20X25X25.5
IR20X25X26  
IR20X25X26.5
IR20X25X30
IR20X25X30.5 
IR20X25X32  
IR20X25X32A 
IR20X25X320H 
IR20X25X38.5
IR20X26X16  
IR20X26X20 
IR20X28X20
IR20X30X30 
IR22X26X20
IR22X26X16
IR22X26X20.5  
IR22X28X17
IR22X28X20
IR22X28X20.5
IR22X28X30  
IR22X28X30.5  
IR22X28X20.5 
IR22X28X30  
IR22X31.5X19.8 
IR22X32X20 
IR25X29X20
IR25X29X20.5  
IR25X29X30
IR25X29X30.5 
IR25X29X40 
IR25X30X12.5
IR25X30X15.5
IR25X30X16
IR25X30X16 
IR25X30X16.5
IR25X30X16 
IR25X30X17
IR25X30X18
IR25X30X20
IR25X30X20.5
IR25X30X22
IR25X30X25.5 
IR25X30X26  
IR25X30X26.5
IR25X30X30 5
IR25X30X30.5  
IR25X30X32
IR25X30X32.5  
IR25X30X38 
IR25X30X38.5
IR25X32X22
IR28X32X17
IR28X32X20
IR28X32X23 
IR28X32X30
IR28X32X30.5

IR30X35X12.5
IR30X35X13
IR30X35X15.5
IR30X35X16
IR30X35X17
IR30X35X18
IR30X35X20
IR30X35X20.5
IR30X35X25.5 
IR30X35X26
IR30X35X30
IR30X35X30.5 
IR30X35X32 
IR30X37X18
IR30X37X22
IR30X37X22A 
IR30X38X20
IR30X38X20A  
IR30X38X20A  
IR30X40X17 
IR32X34X20.5 
IR32X37X20
IR32X37X20.5  
IR32X37X30
IR32X38X20.5  
IR32X38X30.5 
IR32X40X20
IR32X40X36
IR32X40X36A1 
IR33X37X13
IR34X42X20 
IR35X40X12.5
IR35X40X15 
IR35X40X15.5  
IR35X40X16.5
IR35X40X17
IR35X40X20
IR35X40X20.5
IR35X40X21 
IR35X40X25
IR35X40X25.5  
IR35X40X30
IR35X40X30.5 
IR35X40X34 
IR35X40X40 
IR35X42X20
IR35X42X20.5
IR35X42X21
IR35X42X23
IR35X42X36
IR35X42X37  
IR35X43X22
IR35X65X28 
IR36.2X50X25.5  
IR38X43X20
IR38X43X30
IR38X45X46 
IR40X45X12  
IR40X45X16 
IR40X45X16.5
IR40X45X17
IR40X45X20
IR40X45X20.5
IR40X45X22.5 
IR40X45X25  
IR40X45X25.5
IR40X45X30
IR40X45X30.5
IR40X45X34  
IR40X45X40  
IR40X45X40.5  
IR40X45X40A
IR40X48X22  
IR40X48X23 
IR40X48X30 
IR40X48X40 
IR40X49.5X40 
IR40X50X20.5
IR40X50X20 
IR40X50X22 
IR40X50X35 
IR40X55X17 
IR42X47X20
IR42X47X30 
IR44X52X32 
IR45X50X14 
IR45X50X15.5
IR45X50X20 
IR45X50X20.5 
IR45X50X25  
IR45X50X26  
IR45X50X30.5
IR45X50X35  
IR45X50X40 
IR45X50X40.5  
IR45X50X45.5  
IR45X52X22 
IR45X52X23 
IR45X52X40  
IR45X55X20  
IR45X55X22 
IR45X55X40 
IR45.2X58X36  
IR47X60X35
IR48X55X20  
IR50X55X17 
IR50X55X20 
IR50X55X20.5  
IR50X55X25  
IR50X55X25.5 
IR50X55X26 
IR50X55X35
IR50X55X40 
IR50X55X42  
IR50X55X45.5  
IR50X55X20  
IR50X56X21.5  
IR50X58X16 
IR50X58X22
IR50X58X23
IR50X58X40
IR50X60X20
IR50X60X25
IR50X60X25.5 
IR50X60X28
IR50X60X50  
IR50X60X50.5 
IR51X63X52  
IR54X60X25 
IR55X60X25
IR55X60X32.5
IR55X60X35
IR55X60X36EGS
IR55X63X25
IR55X63X45
IR55X63X65.25 
IR55X65X20 
IR55X65X25 
IR55X65X28
IR55X65X30 
IR55X65X60  
IR55X65X90
IR55X65X110 
IR60X68X25
IR60X68X35
IR60X68X45
IR60X70X30  
IR60X70X25
IR60X70X28
IR60X70X30  
IR60X70X35 
......