X型四点接触球——KB系列
X型轴承在滚道和钢球间为四个点接触，这样一来，单个轴承就可以同时承受三种负载（径向载荷、轴向载荷和力矩）。所以在很多情况下一个四点接触球轴承可以代替两个其他类型轴承。
X型轴承可以根据客户的需要提供不同内部预压和游隙，例如高刚性或者零游隙等。
X型轴承可以根据客户的需要提供不同内部预压和游隙，例如高刚性或者零游隙等。
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公称型号
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外形尺寸（in / mm）
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基本额定负荷
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极限转速 |
重量
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内径(d)
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外径(D)
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厚度(B)
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L1 |
L2
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径向
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推力 | ||||||||
| in | mm | in | mm | in | mm | in |
in |
静载荷 Co（N） |
动载荷 Cr（N） |
静载荷 Co（N） |
动载荷 Cr（N） |
RPM |
Kg
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|
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KB020XP0
|
2.000
|
50.800 |
2.625
|
66.675 |
0.3125
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7.938 | 2.231 |
2.393
|
4137
|
3372 |
10409
|
5026 | 5190 |
0.073
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| KB025XP0 | 2.500 | 63.500 | 3.125 | 79.375 | 0.3125 | 7.938 | 2.731 | 2.893 | 5071 | 3772 | 12633 | 5738 | 4270 | 0.091 |
| KB030XP0 | 3.000 | 76.200 | 3.625 | 92.075 | 0.3125 | 7.938 | 3.231 | 3.393 | 5961 | 4150 | 14902 | 6405 | 3620 | 0.109 |
| KB035XP0 | 3.500 | 88.900 | 4.125 | 104.775 | 0.3125 | 7.938 | 3.731 | 3.893 | 6850 | 4510 | 17170 | 7073 | 3150 | 0.122 |
| KB040XP0 | 4.000 | 101.600 | 4.625 | 117.475 | 0.3125 | 7.938 | 4.231 | 4.393 | 7784 | 4853 | 19439 | 7651 | 2780 | 0.136 |
| KB042XP0 | 4.250 | 107.950 | 4.875 | 123.825 | 0.3125 | 7.938 | 4.481 | 4.643 | 8140 | 4982 | 20328 | 7918 | 2630 | 0.141 |
| KB045XP0 | 4.500 | 114.300 | 5.125 | 130.175 | 0.3125 | 7.938 | 4.731 | 4.893 | 8674 | 5182 | 21707 | 8229 | 2490 | 0.150 |
| KB047XP0 | 4.750 | 120.650 | 5.375 | 136.525 | 0.3125 | 7.938 | 4.981 | 5.143 | 9030 | 5307 | 22597 | 8452 | 2370 | 0.154 |
| KB050XP0 | 5.000 | 127.000 | 5.625 | 142.875 | 0.3125 | 7.938 | 5.231 | 5.393 | 9564 | 5498 | 23931 | 8807 | 2260 | 0.172 |
| KB055XP0 | 5.500 | 139.700 | 6.125 | 155.575 | 0.3125 | 7.938 | 5.731 | 5.893 | 10498 | 5800 | 26200 | 9341 | 2060 | 0.186 |
| KB060XP0 | 6.000 | 152.400 | 6.625 | 168.275 | 0.3125 | 7.938 | 6.231 | 6.393 | 11387 | 6099 | 28469 | 9875 | 1900 | 0.200 |
| KB065XP0 | 6.500 | 165.100 | 7.125 | 180.975 | 0.3125 | 7.938 | 6.731 | 6.893 | 12277 | 6383 | 30737 | 10409 | 1760 | 0.213 |
| KB070XP0 | 7.000 | 177.800 | 7.625 | 193.675 | 0.3125 | 7.938 | 7.231 | 7.393 | 13211 | 6663 | 33006 | 10898 | 1640 | 0.227 |
| KB075XP0 | 7.500 | 190.500 | 8.125 | 206.375 | 0.3125 | 7.938 | 7.731 | 7.893 | 14101 | 6935 | 35230 | 11387 | 1540 | 0.240 |
| KB080XP0 | 8.000 | 203.200 | 8.625 | 219.075 | 0.3125 | 7.938 | 8.231 | 8.393 | 14991 | 7197 | 37499 | 11877 | 1440 | 0.259 |
| KB090XP0 | 9.000 | 228.600 | 9.625 | 244.475 | 0.3125 | 7.938 | 9.231 | 9.393 | 16814 | 7704 | 42036 | 12811 | 1290 | 0.299 |
| KB100XP0 | 10.000 | 254.000 | 10.625 | 269.875 | 0.3125 | 7.938 | 10.231 | 10.393 | 18638 | 8189 | 46528 | 13701 | 1160 | 0.331 |
| KB110XP0 | 11.000 | 279.400 | 11.625 | 295.275 | 0.3125 | 7.938 | 11.231 | 11.393 | 20417 | 8652 | 51066 | 14590 | 1060 | 0.340 |
| KB120XP0 | 12.000 | 304.800 | 12.625 | 320.675 | 0.3125 | 7.938 | 12.231 | 12.393 | 22241 | 9097 | 55603 | 15435 | 970 | 0.376 |
| KB140XP0 | 14.000 | 355.600 | 14.625 | 371.475 | 0.3125 | 7.938 | 14.231 | 14.393 | 25844 | 9937 | 6806 | 17081 | 840 | 0.476 |
| KB160XP0 | 16.000 | 406.400 | 16.625 | 422.275 | 0.3125 | 7.938 | 16.231 | 16.393 | 29447 | 10720 | 73663 | 18638 | 740 | 0.544 |
| KB180XP0 | 18.000 | 457.200 | 18.625 | 473.075 | 0.3125 | 7.938 | 18.231 | 18.393 | 33095 | 11459 | 82692 | 20106 | 660 | 0.612 |
| KB200XP0 | 20.000 | 508.000 | 20.625 | 523.875 | 0.3125 | 7.938 | 20.231 | 20.393 | 36698 | 12148 | 91722 | 21574 | 590 | 0.680 |
