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crossed roller bearing

XRT series

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Introduction

XRT series crossed roller bearings

Nominal type Drawing number External dimension（mm） Radial rated load (kN) Axial load rating(kN) Limit Speed r/min
d D B r Move Be Still Move Be Still
XRT060-NT 4 150 230 30 1 95.2 156 111 279 1100
XRT063-NT 4 160 240 30 1.1 96.8 162 118 300 1000
XRT079-NT 4 200 280 30 1.5 102 175 120 320 900
XRT080-NT 4 203.2 279.4 31.75 1.5 110 188 134 348 850
XRT080-W 1 203.2 279.4 31.75 1.5 110 188 134 348 850
XRT094-NT 4 240 300 30 1 88 184 114 361 750
XRT098-NT 4 250 310 25 1 88 188 114 361 700
XRT099-NT 4 250 350 40 1.3 187 355 228 657 670
XRT110-NTL 4 300 400 36.492 1.5 183 355 223 657 560
XRT110-NT 4 300 400 38 1.5 183 355 223 657 560
XRT110-NF 3 300 480 60 1.5 258 495 305 920 600
XRT120-NT 4 310 425 45 2.5 216 427 281 837 640
XRT130-NT 4 330.2 457.2 63.5 3.3 264 515 312 954 620
XRT138-NT 4 350 470 50 3.3 308 635 376 1180 560
XRT140-NT 4 370 495 50 3.3 93.6   119   600
XRT157-NT 4 400 480 40 1.1 216 497 281 957 430
XRT158-NT 4 400 550 60 2.5 429 920 523 1700 400
XRT170-W 1 432.03 571.5 38.1 3.3 435 910 530 1600 400
XRT180-NT 4 457.2 609.6 63.5 3.3 396 856 514 1680 420
XRT160-NT 4 424.95 614.924 65   470 960 600 1720 380
XRT220-NT 4 580 760 80 3.3 627 1380 765 2560 300
XRT220-W 1 580 760 80 6.4 627 1380 765 2560 300

Nominal type Drawing number External dimension（mm） Radial rated load (kN) Axial load rating(kN) Limit Speed r/min
d D B r Move Be Still Move Be Still
XRT230-NF 4 600 830 80 6.4 680 1460 820 2870 300
XRT270-N 2 685.8 914.4 79.375 6.4 693 1660 900 3250 260
XRT270-NT 4 685.8 914.4 79.375 3.3 693 1660 900 3250 260
XRT270-W 1 685.8 914.4 79.375   693 1660 900 3250 260
XRT350-W 1 901.7 1117.6 82.555 3.3 781 2060 1060 4290 200
XRT350-NT 4 901.7 1117.6 82.555 3.3 781 2060 1060 4290 200
XRT370-N 2 939.8 1117.6 82.55 3 920 2580 1200 5000 200
XRT374-NF 4 950 1170 85 3.3 968 2690 1310 5600 215
XRT400-NT 4 1028.7 1327.15 114.3 3.3 1230 3310 1600 6490 430
XRT400-WL 1 1028.7 1327.15 95.25 3.3 1060 3100 1420 6020 450
XRT400-NF 3 1028.7 1327.15 114.3 3.3 1230 3310 1600 6490 430
XRT500-NT 4 1270 1524 95.25 1.8 1300 3830 1760 2980 95
XRT610-NT 4 1549.4 1828.8 101.6 3.3 1400 4510 1890 9400 80
XRT740-NT 4 1879.6 2197.1 101.6 5.4 1510 5240 2040 10900 43
XRT1040-NT 4 2463.8 2819.4 114.3 5.4 2330 8740 3150 18200 19



Note: 

1.The calculation of the load is based on 90x106 revolutions (the bearing is made of case-hardened steel).  

2.The limit speed depends on the bearing preload, fit tolerance, bearing heat dissipation conditions, etc. The limit speeds listed in the table are reference values under circulating oil lubrication conditions.

Depending on the rotational speed and application conditions, the desired preload can be achieved by adjusting the spacer.

We can also provide crossed tapered roller bearings with other structural forms, such as the combined structure of two outer rings and a double raceway inner ring, which are suitable for occasions requiring the rotation accuracy of the inner ring. 

If you need special dimensions, inner and outer rings with receptacles, higher precision or other structures, please contact us!




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