轴承内组件型号：LM12749
轴承外圈型号：LM12711
内径(d):21.986mm
外径(D):45.974mm
装配高度(T):15.494mm
内圈高度(B):16.637mm
外圈高度(C):12.065mm
重量:0.122KG
如果这些圆柱滚子轴承的内圈无需经常拆卸，或其尺寸较大（内径约在400mm或以下），使用一种所谓热退卸环的工具，是较为经济的方法，而且使用也很方便。例如铝传热环，环上有一些开槽，采用铝合金材料制成，并带有手柄。
圆锥孔轴承的拆卸
拆卸在圆锥形轴颈上的轴承
安装在圆锥形轴颈上的中小型轴承，只需使用普通的拉拔器拉住内圈，便可以轻易将期卸下。使用一些有自动对中设计的拉拔器，可以避免在拉出轴承时把轴颈的表面弄坏。在圆锥形轴颈卸下来的轴承会松脱得很快，因此应加上一些装置以防止轴承从轴上掉下来。
|
Bearing numbers |
Dimensions(mm) | Weight | ||||||
| d | D | T | B | C | R | r | Kg | |
| 11590/20 | 15.875 | 42.862 | 14.288 | 14.288 | 9.525 | 1.5 | 1.5 | 0.1 |
| LM11749/10 | 17.462 | 39.878 | 13.843 | 14.605 | 10.668 | 1.3 | 1.3 | 0.081 |
| LM11949/10 | 19.05 | 45.237 | 15.494 | 16.637 | 12.065 | 1.3 | 1.3 | 0.125 |
| A6075/A6157 | 19.05 | 39.992 | 12.014 | 11.153 | 9.525 | 1.3 | 0.07 | |
| M12649/10 | 21.43 | 50.005 | 17.526 | 18.288 | 13.970 | 1.3 | 1.3 | 0.169 |
| LM12748/10 | 21.43 | 45.237 | 15.494 | 16.637 | 12.065 | 1.3 | 1.3 | 0.121 |
| LM12749/10 | 21.986 | 45.237 | 15.494 | 16.637 | 12.065 | 1.3 | 1.3 | 0.120 |
| LM12749/11 | 21.986 | 45.974 | 15.494 | 16.637 | 12.065 | 1.3 | 1.3 | 0.123 |
| JLM22349/10 | 22 | 41 | 14.400 | 14.400 | 11.400 | 0.8 | 0.8 | 0.08 |
| 15101/245 | 25.400 | 62 | 19.050 | 20.638 | 14.288 | 0.8 | 1.3 | 0.3 |
| L44643/10 | 25.400 | 50.292 | 14.224 | 14.732 | 10.668 | 1.3 | 1.3 | 0.13 |
| 15578/20 | 25.400 | 57.150 | 17.462 | 17.462 | 13.495 | 1.3 | 1.5 | 0.22 |
| M84548/10 | 25.400 | 57.150 | 19.431 | 19.431 | 14.732 | 1.5 | 1.5 | 0.241 |
| 15103/245 | 26.157 | 62.000 | 19.050 | 20.638 | 14.288 | 0.8 | 1.3 | |
| 15103S/243 | 26.162 | 61.912 | 19.050 | 19.939 | 14.288 | 0.8 | 2.0 | |
| 15106/245 | 26.988 | 62.000 | 19.050 | 20.638 | 14.288 | 1.3 | 0.8 | |
| L44649/10 | 26.988 | 50.292 | 14.224 | 14.732 | 10.668 | 3.5 | 1.3 | 0.12 |
| ST2749 | 27 | 49 | 15 | 15 | 11.5 | 3.3 | 0.8 | 0.118 |
| 320/28X | 28 | 52 | 16 | 16 | 12.0 | 0.146 | ||
| TF28KW02G5SA | 28 | 52 | 18.498 | 16.0 | ||||
| 1988/22 | 28.575 | 57.150 | 19.845 | 19.355 | 15.875 | 3.5 | 1.5 | 0.213 |
| M86647/10 | 28.575 | 64.292 | 21.433 | 21.433 | 16.670 | 1.5 | 1.5 | 0.348 |
| L45449/10 | 29.000 | 50.292 | 14.224 | 14.732 | 10.668 | 3.5 | 1.3 | 0.113 |
| 329013 | 29.000 | 50.292 | 14.224 | 17.520 | 10.668 | 0.113 | ||