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XRT Series Crossed Tapered Roller Bearings

The XRT series cross tapered roller bearing was created to meet this demand. It innovatively arranges two sets of tapered rollers in a cross pattern and integrates them into an inner and outer ring structure, thus achieving outstanding performance that cannot be matched by traditional bearings.

  • Introduction

The core advantages of XRT series cross-taped roller bearings lie in their high precision, high rigidity, and strong load-bearing capacity. The unique cross-shaped arrangement of rollers enables a single bearing to simultaneously withstand combined radial, axial, and overturning moment loads. This not only greatly simplifies mechanical design and reduces component count, but also significantly improves the overall operating accuracy and stability of the equipment. Whether facing high-speed rotation or heavy loads, XRT series bearings maintain excellent performance, ensuring long-term stable and reliable operation of the equipment.

Parameter

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


Technical Secrets: What Makes the XRT Series Bearings So Excellent?

The XRT series crossed tapered roller bearings stand out thanks to their sophisticated craftsmanship and unique design:

Integrated Design: The inner and outer rings are constructed as a single piece, eliminating the cumulative errors associated with the multi-component assembly of traditional bearings and ensuring extremely high rotational accuracy and rigidity.

Precision Preload: Precision preload adjustment performed at the factory effectively eliminates internal bearing clearance, further improving rigidity and running accuracy, and providing users with "install-and-run" convenience.

High Load Capacity: The use of tapered rollers as rolling elements, with their line contact characteristics, enables them to withstand higher loads than crossed cylindrical roller bearings, particularly with respect to overturning moments.

Modular Application: With their compact design and superior performance, the XRT series bearings can replace traditional two or more separate bearing combinations, simplifying installation and reducing maintenance costs.

Widely Used: From Precision Machine Tools to Automation Equipment

With their unparalleled performance, XRT series crossed tapered roller bearings have become an ideal choice for numerous high-end applications:

Precision Machine Tool Rotary Tables: Provide high-rigidity, high-precision rotational support for CNC machine tools, machining centers, and other applications, ensuring workpiece machining accuracy.

Industrial Robot Joints: As key components in robot joints, they provide high rigidity and positioning accuracy, ensuring operational stability and repeatability.

High-Precision Indexing Plates: Ensure precise positioning of indexing plates under high speeds and high loads, and are widely used in automated production lines.

Medical Equipment: Provide stable and reliable rotational support for equipment requiring extremely high precision, such as CT scanners and medical imaging equipment.

The XRT series crossed tapered roller bearing is more than just a product; it represents a revolution in precision manufacturing. Its unique design, superior performance, and wide range of applications deliver higher precision, greater rigidity, and longer service life to your equipment.

If you're looking for a high-end bearing solution that improves equipment performance, simplifies design, and reduces maintenance costs, the XRT series crossed tapered roller bearing is undoubtedly your best choice.



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