| Boundary dimensions(mm) | Mass(g) | Bearing Number | |||
| d | F | B | (Approx.) | ||
| 7 | 10 | 10.5 | 3.09 | LR7X10X10.5 | 8 | 12 | 10.5 | 5 | LR8X12X10.5 |
| 8 | 12 | 12.5 | 5.9 | LR8X12X12.5 | 10 | 13 | 12.5 | 5.2 | LR10X13X12.5 |
| 12 | 15 | 12.5 | 6.1 | LR12X15X12.5 | 12 | 15 | 16.5 | 8.1 | LR12X15X16.5 |
| 12 | 15 | 22.5 | 10.9 | LR12X15X22.5 | 15 | 18 | 12.5 | 7.2 | LR15X18X12.5 |
| 17 | 21 | 20 | 18 | IR17X21X20 | 17 | 20 | 16.5 | 11.1 | LR17X20X16.5 |
| 17 | 20 | 20.5 | 13.8 | LR17X20X20.5 | 17 | 20 | 30.5 | 20.6 | LR17X20X30.5 |
| 20 | 25 | 16 | 21.1 | LR20X25X16 | 20 | 25 | 16.5 | 21.7 | LR20X25X16.5 |
| 20 | 25 | 20.5 | 28.2 | LR20X25X20.5 | 20 | 25 | 26.5 | 36.1 | LR20X25X26.5 |
| 20 | 25 | 38.5 | 52.5 | LR20X25X38.5 | 22 | 28 | 20.5 | 36 | LR22X28X20.5 |
| 25 | 30 | 12.5 | 20 | LR25X30X12.5 | 25 | 30 | 16.5 | 26.7 | LR25X30X16.5 |
| 25 | 30 | 20.5 | 33.5 | LR25X30X20.5 | 25 | 30 | 26.5 | 43.3 | LR25X30X26.5 |
| 25 | 30 | 38.5 | 63.8 | LR25X30X38.5 | 30 | 35 | 12.5 | 23.3 | LR30X35X12.5 |
