型号 | 质量m ≈g | 尺寸mm | ||
d | F | B | ||
IR20X24X16 | 15 | 20 | 24 | 16 | IR20X24X20 | 21.3 | 20 | 24 | 20 |
LR20X25X12.5 | 16.3 | 20 | 25 | 12.5 | LR20X25X16.5 | 21.7 | 20 | 25 | 16.5 |
IR20X25X17 | 25 | 20 | 25 | 17 | IR20X25X20 | 27.5 | 20 | 25 | 20 |
IR20X25X20.5 | 27.4 | 20 | 25 | 20.5 | LR20X25X20.5 | 27.4 | 20 | 25 | 20.5 |
IR20X25X26.5 | 38 | 20 | 25 | 26.5 | LR20X25X26.5 | 38 | 20 | 25 | 26.5 |
IR20X25X30 | 40.4 | 20 | 25 | 30 | IR20X25X38.5 | 52.5 | 20 | 25 | 38.5 |