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Internal Gear Three-Row Cross Roller Slewing Bearing - High Load Capacity & Precision Engineering

Three-row Cross Roller Slewing Bearing (Internal Gear)

Three-row cross roller slewing bearings (Internal Gear) are specialized bearings designed for applications requiring high load capacity, precision, and durability. These bearings are known for their ability to handle combined axial, radial, and moment loads, making them suitable for heavy-duty and precision machinery. This design includes three separate rows of rolling elements (usually cylindrical rollers) arranged at 90-degree angles to each other. This configuration allows the bearing to support a combination of axial, radial, and moment loads effectively. The bearing features an internal gear ring that meshes with an external pinion gear. This gear arrangement allows for the transmission of rotational motion and torque. The rolling elements are arranged in a way that minimizes friction and maximizes load-carrying capacity. The cross-roller design ensures smooth and precise rotation.

Product Details

Interchangeable With
Model INA Model LY Model TG Model Dimensions (mm) Installation Size (mm) Structural Dimensions (mm) Gear Parameters (mm) Rated Axial Static Load (KN) Weight(KG))
Da D di H La Li n1 n2 φ1 φ2 D1 d b h B C Di da m z do x
HIU25/500  YI 25 0500N  260 652 148 604 370 16 16 33 33 102 36 112 134 456 478 10 28 280 532 250
HIU25/500Y  133.25.500.**  335 634 148 598 402 24 24 18 18 366 80 10 116 138 526 537 5 68 340 0.5 2750 224
HIU25/500Y1  134.25.500.**  336 634 148 598 402 24 24 18 18 366 80 10 116 138 463 474 6 57 342 0.5 2750 224
HIU25/560  133.25.560.**  395 694 148 658 462 24 24 18 18 426 80 10 116 138 586 597 5 80 400 0.5 3080 240
HIU25/560Y  134.25.560.**  396 694 148 658 462 24 24 18 18 426 80 10 116 138 523 534 6 67 402 0.5 3080 240
HIU25/630  133.25.630.**  456 764 148 728 532 28 28 18 18 496 80 10 116 138 656 667 6 77 462 0.5 3450 270
HIU25/630Y  134.25.630.**  456 764 148 728 532 28 28 18 18 496 60 10 116 138 593 604 8 58 464 0.5 3450 270
HIU25/710  133.25.710.**  534 844 148 808 612 28 28 18 18 576 80 10 116 138 736 747 6 90 540 0.5 3880 300
HIU25/710Y  134.25.710.**  536 844 148 808 612 28 28 18 18 576 80 10 116 138 673 684 8 68 544 0.5 3880 300
HIU30/800Y  134.32.800.**  590 964 182 920 680 36 36 22 22 636 120 10 142 172 759 770 10 60 600 0.5 5490 500
HIU30/800  133.32.800.**  592 964 182 920 680 36 36 22 22 636 120 10 142 172 830 841 8 75 600 0.5 5490 500
HIU20/815  YI 20 0815N  608 954 120 905 705 28 28 26 26 80 30 90 106 781 792 8 78 624 833 275
HIU30/900  133.32.900.**  688 1064 182 1020 780 36 36 22 22 736 120 10 142 172 930 941 8 87 696 0.5 6190 600
HIU30/900Y  134.32.900.**  690 1064 182 1020 780 36 36 22 22 736 120 10 142 172 859 870 10 70 700 0.5 6190 600
HIU30/1000  133.32.1000.**  780 1164 182 1120 880 40 40 22 22 836 120 10 142 172 1030 1041 10 79 790 0.5 6890 680
HIU30/1000Y  134.32.1000.**  780 1164 182 1120 880 40 40 22 22 836 120 10 142 172 959 970 12 66 792 0.5 6890 680
HIU30/1120  133.32.1120.**  900 1284 182 1240 1000 40 40 22 22 956 120 10 142 172 1150 1161 10 91 910 0.5 7680 820
HIU30/1120Y  134.32.1120.**  900 1284 182 1240 1000 40 40 22 22 956 120 10 142 172 1079 1090 12 76 912 0.5 7680 820
HIU40/1250Y  134.40.1250.**  980 1445 220 1393 1107 45 45 26 26 1055 150 10 170 210 1200 1210 14 71 994 0.5 11100 1200
HIU40/1250  133.40.1250.**  984 1445 220 1393 1107 45 45 26 26 1055 150 10 170 210 1290 1300 12 83 996 0.5 11100 1200
HIU20/1250  1032 1397 132 1345 1145 36 36 26 26 106 9 106 123 1219 1218 12 87 1044 -0.5 7350 539
HIU20/1270  YI 20 1270N  1064 1408 120 1360 1160 44 44 26 26 80 30 90 106 1236 1247 8 135 1080 1278 430
HIU40/1400Y  134.40.1400.**  1134 1595 220 1543 1257 45 45 26 26 1205 150 10 170 210 1350 1360 14 80 1120 0.5 12400 1300
HIU25/1390  YI 25 1390N  1140 1554 148 1494 1260 32 32 33 33 102 36 112 134 1346 1368 10 116 1160 1402 720
HIU40/1400  133.40.1400.**  1140 1595 220 1543 1257 45 45 26 26 1205 150 10 170 210 1440 1450 12 96 1152 0.5 12400 1300
HIU20/1400  1162 1547 132 1495 1295 36 36 26 26 106 9 106 123 1369 1368 14 84 1176 -0.5 8200 630
HIU20/1490  YI 20 1490N  1272 1628 120 1580 1380 50 50 26 26 80 30 90 106 1456 1467 12 108 1296 1493 505
HIU40/1600Y  134.40.1600.**  1328 1795 220 1743 1457 48 48 26 26 1405 150 10 170 210 1550 1560 16 84 1344 0.5 14200 1520
HIU40/1600  133.40.1600.**  1330 1795 220 1743 1457 48 48 26 26 1405 150 10 170 210 1640 1650 14 96 1344 0.5 14200 1520
HIU20/1600  1372 1747 132 1695 1495 40 40 26 26 106 9 106 123 1569 1568 14 99 1386 -0.5 9400 705
HIU20/1600Y  YI 20 1600N  1380 1738 120 1690 1490 56 56 26 26 80 30 90 106 1566 1577 12 117 1404 1601 550
HIU25/1800  1520 1981 147 1915 1675 36 36 33 33 117 30 117 138 1763 1774 16 96 1536 -0.5 13150 1101
HIU40/1800Y  134.40.1800.**  1520 1995 220 1943 1657 48 48 26 26 1605 150 10 170 210 1750 1760 16 96 1536 0.5 15900 1750
HIU40/1800  133.40.1800.**  1526 1995 220 1943 1657 48 48 26 26 1605 150 10 170 210 1840 1850 14 110 1540 0.5 15900 1750
HIU 25/1795  YI 25 1795N  1540 1959 148 1899 1665 44 44 33 33 102 36 112 134 1751 1773 14 112 1568 1798 905
HIU20/1800  1552 1947 132 1895 1695 46 46 26 26 106 9 106 123 1769 1768 16 98 1568 -0.5 10700 829
HIU20/1800Y  YI 20 1800N  1568 1938 120 1890 1690 60 60 26 26 80 30 90 106 1766 1777 14 114 1596 1798 620
HIU20/1850  YI 22 1850N  1624 1988 130 1940 1740 64 64 26 26 88 32 98 117 1812 1824 14 118 1652 1848 695
HIU45/2000Y  134.45.2000.**  1692 2221 231 2155 1845 60 60 33 33 1779 160 12 177 219 1945 1967 18 95 1710 0.5 20500 2400
HIU30/1965  YI 32 1965N  1696 2145 184 2085 1835 56 56 33 33 126 48 136 170 1913 1939 16 108 1728 2055 1350
HIU45/2000  133.45.2000.**  1696 2221 231 2155 1845 60 60 33 33 1779 160 12 177 219 2033 2055 16 107 1712 0.5 20500 2400
HIU25/2000  1728 2181 147 2115 1875 44 44 33 33 117 30 117 138 1963 1974 16 109 1744 -0.5 14500 1202
HIU20/2000  1760 2147 132 2095 1895 54 54 26 26 106 9 106 123 1969 1968 16 111 1776 -0.5 12100 902
HIU20/2000Y  YI 22 2000N  1778 2138 130 2090 1890 72 72 26 26 88 32 98 117 1962 1974 14 129 1806 1995 745
HIU30/2240  1908 2458 181 2380 2085 40 40 39 39 139 9 139 172 2199 2210 18 107 1926 -0.5 19500 2010
HIU45/2240  133.45.2240.**  1920 2461 231 2395 2085 60 60 33 33 2019 160 12 177 219 2273 2295 16 121 1936 0.5 23100 2700
HIU45/2240Y  134.45.2240.**  1926 2461 231 2395 2085 60 60 33 33 2019 160 12 177 219 2185 2207 18 108 1944 0.5 23100 2700
HIU25/2240  1944 2421 147 2355 2115 48 48 33 33 117 30 117 138 2203 2214 18 109 1962 -0.5 16250 1406
HIU20/2230  YI 22 2230N  2002 2368 130 2320 2120 80 80 26 26 88 32 98 117 2192 2204 14 145 2030 2220 850
HIU30/2405  YI 32 2405N  2124 2585 184 2525 2275 64 64 33 33 126 48 136 170 2353 2379 18 120 2160 14500 1690
HIU30/2500  2178 2718 181 2640 2345 44 44 39 39 139 9 139 172 2459 2470 18 122 2196 -0.5 21700 2210
HIU45/2500  133.45.2500.**  2178 2721 231 2655 2345 72 72 33 33 2279 160 12 177 219 2533 2555 18 122 2196 0.5 25800 3000
HIU45/2500Y  134.45.2500.**  2180 2721 231 2655 2345 72 72 33 33 2279 160 12 177 219 2445 2467 20 110 2200 0.5 25800 3000
HIU25/2500  2214 2681 147 2615 2375 54 54 33 33 117 30 117 138 2463 2474 18 124 2232 -0.5 18150 1545
HIU40/2433  7397/2210K  2216 2650 220 2590 2276 56 40 M30 33 27 197 193 2392 2380 16 135 2050 302
HIU25/2500Y  YI 25 2500N  2220 2664 148 2604 2370 56 56 33 33 102 36 112 134 2456 2478 20 113 2260 14000 1320
HIU30/2500  YI 32 2500N  2220 2680 148 2620 2370 72 72 33 33 126 48 136 170 2448 2474 20 113 2260 15500 1700
HIU20/2490  YI 22 2490N  2250 2628 130 2580 2380 84 84 26 26 88 32 98 117 2452 2464 18 127 2286 13000 950
HIU30/2800  2460 3018 181 2940 2645 48 48 39 39 139 9 139 172 2759 2770 20 124 2480 -0.5 24500 2542
HIU40/2800  2460 3038 220 2960 2635 48 48 39 39 170 10 170 210 2750 2763 20 124 2480 -0.5 28250 3213
HIU45/2800Y  134.45.2800.**  2480 3021 231 2955 2645 72 72 33 33 2579 160 12 177 219 2745 2767 20 125 2500 0.5 28800 3400
HIU45/2800  133.45.2800.**  2484 3021 231 2955 2645 72 72 33 33 2579 160 12 177 219 2833 2855 18 139 2502 0.5 28800 3400
HIU25/2800  2500 2981 147 2915 2675 60 60 33 33 117 30 117 138 2763 2774 20 126 2520 -0.5 20450 1767
HIU30/2800Y  YI 32 2800N  2508 2980 184 2920 2670 88 88 33 33 126 48 136 170 2748 2774 22 116 2552 20000 1960
HIU25/2800Y  YI 25 2800N  2520 2964 148 2904 2670 64 64 33 33 102 36 112 134 2756 2778 20 128 2560 15500 1500
HIU40/2860  YI 40 2860N  2520 3072 226 3000 2700 68 68 39 39 160 56 170 212 2792 2826 24 107 2568 27000 2900
HIU20/2800  YI 22 2800N  2556 2938 130 2890 2690 96 96 26 26 88 32 98 117 2762 2774 18 144 2592 16500 1110
HIU45/2900  7397/2700G2  2700 3150 255 3070 2750 40 70 32 32 40 225 215 2852 2556 20 132 2920 423
HIU45/2900Y  7397/2700G2K  2700 3150 255 3070 2750 72 72 32 32 40 225 215 2852 2856 20 132 2920 423
HIU45/2900Y1  7397/2700GK1  2700 3150 255 3070 2755 76 80 38 38 40 225 215 2852 2856 20 132 2920 423
HIU45/2900Y2  7397/2700G2K2  2700 3150 255 2070 2750 72 72 33 33 40 225 215 2852 2862 20 132 2920 423
HIU45/2900Y3  7397/2700G2K3  2700 3150 255 3070 2750 8 2 32 M30 40 225 215 2852 2856 20 132 2920 423
HIU70/3125  2706 3450 370 3350 2925 80 90 M48 M48 2810 225 30 290 340 3045 3065 22 124 2728 0.5 60000 7082
HIU25/3015  YI 25 3015N  2720 3179 148 3119 2885 72 72 33 33 102 36 112 134 2971 2993 20 138 2760 17000 1650
HIU50/3150  2736 3415 268 3325 2950 48 48 45 45 203 10 203 258 3090 3104 24 115 2760 -0.5 36400 5128
HIU50/3150Y  134.50.3150.**  2750 3432 270 3342 2958 72 72 45 45 2868 180 12 205 258 3087 3104 22 126 2772 0.5 35900 5000
HIU50/3150Y3  133.50.3150.12K1  2754 3432 270 3342 2958 60 60 39 39 2868 180 12 220 258 3086 3103 18 154 2772 0.5 35750 5174
HIU50/3150Y4  134.50.3150.11K  2759 3432 270 3342 2958 72 72 45 45 2868 180 12 220 258 3086 3103 22 126 2772 0.5 35750 5104
HIU50/3150Y5  133.50.3150.**  2760 3432 270 3342 2958 72 72 45 45 2868 180 12 205 258 3196 3213 20 139 2780 0.5 35900 5000
HIU50/3150Y1  133.50.3150.11K  2761 3432 270 3342 2958 60 60 39 39 2868 180 12 220 258 3086 3103 20 139 2780 0.5 35750 5174
HIU50/3150Y2  134.50.3150.12K  2761 3432 270 3342 2958 60 60 39 39 2868 180 12 220 258 3086 3103 20 139 2780 0.5 35750 5174
HIU40/3150  2794 3388 220 3310 2985 56 56 39 39 170 10 170 210 3100 3113 22 128 2816 -0.5 32000 3683
HIU30/3150  2820 3368 181 3290 2995 56 56 39 39 139 9 139 172 3109 3120 20 142 2840 -0.5 27500 2807
HIU30/3150Y  YI 32 3150N  2860 3330 184 3270 3020 88 88 33 33 126 48 136 170 3098 3124 22 132 2904 23000 2180
HIU50/3550  3120 3815 268 3725 3350 54 54 45 45 203 10 203 258 3490 3504 24 131 3144 -0.5 41200 5916
HIU50/3550Y  134.50.3550.**  3146 3832 270 3742 3358 72 72 45 45 3268 180 12 202 258 3487 3504 22 144 3168 0.5 40400 5600
HIU50/3550Y1  133.50.3550.**  3160 3832 270 3742 3358 72 72 45 45 3268 180 12 202 258 3596 3613 20 159 3180 0.5 40400 5600
HIU30/3550  3190 3768 181 3690 3395 66 66 39 39 139 9 139 172 3509 3520 22 146 3212 -0.5 31080 3302
HIU40/3550  3190 3788 220 3710 3385 66 66 39 39 170 10 170 210 3500 3513 22 146 3212 -0.5 36000 4171
HIU 30/3550Y  YI 32 3550N  3256 3730 184 3670 3420 98 98 33 33 126 48 136 170 3498 3524 22 150 3300 26000 2470
HIU25/3750  YI 25 3750N  3454 3914 148 3854 3620 88 88 33 33 102 36 112 134 3706 3728 22 159 3498 21500 2020
HIU50/4000  3576 4265 268 4175 3800 60 60 45 45 203 10 203 258 3940 3954 24 150 3600 -0.5 46200 6623
HIU50/4000Y  134.50.4000.**  3600 4282 270 4192 3908 80 80 45 45 3718 180 12 202 258 3937 3954 25 145 3625 0.5 45600 6400
HIU50/4000Y1  133.50.4000.**  3608 4282 270 4192 3908 80 80 45 45 3718 180 12 202 258 4046 4063 22 165 3630 0.5 45600 6400
HIU40/4000  3624 4238 220 4160 3835 72 72 39 39 170 10 170 210 3950 3963 24 152 3648 -0.5 40100 4810
HIU40/4000Y  YI 40 4000N  3648 4212 226 4140 3740 96 96 39 39 160 56 170 212 3932 3966 24 154 3696 35000 4100
HIU30/4000  3652 4218 181 4140 3845 72 72 39 39 139 9 139 172 3959 3970 22 167 3674 -0.5 35080 3664
HIU30/4000Y  YI 32 4000N  3696 4180 184 4120 3870 108 108 33 33 126 48 136 170 3948 3974 22 170 3740 27500 2850
HIU25/4300  YI 25 4300N  4004 4464 148 4404 4170 100 100 33 33 102 36 112 134 4256 4278 22 184 4048 24300 2260
HIU50/4500  4080 4765 268 4675 4300 68 68 45 45 203 10 203 258 4440 4454 24 171 4104 -0.5 54800 7427
HIU50/4500Y  134.50.4500.**  4100 4782 270 4692 4308 80 80 45 45 4218 185 12 202 258 4437 4454 25 165 4125 0.5 54450 6400
HIU50/4500Y1  133.50.4500.**  4114 4782 270 4692 4308 80 80 45 45 4218 185 12 202 258 4546 4563 22 188 4136 0.5 54450 6942
HIU40/4500  4128 4738 220 4660 4335 84 84 39 39 170 10 170 210 4450 4463 24 173 4152 -0.5 45450 5367
HIU85/4595  3-945G2  4190 5000 430 4880 4310 66 72 44 44 49 400 381 4410 4482 25 164 0.35 10506 1116
HIU25/4610  YI 25 4610N  4312 4774 148 4714 4480 108 108 33 33 102 36 112 134 4566 4588 22 198 4356 25500 2490
HIU40/4915  YI 40 4915N  4560 5127 226 5055 4755 116 116 39 39 160 56 170 212 4847 4881 24 192 4608 44300 5020
HIU50/5000  4584 5265 268 5175 4800 78 78 45 45 203 65 203 258 4940 4954 24 192 4608 -0.5 58200 8182
HIU50/5000Y  YI 50 5000N  4584 5260 280 5170 4800 92 92 49 49 202 68 212 266 4914 4957 24 193 4632 51800 7980
HIU50/5600  5184 5865 268 5775 5400 90 90 45 45 203 65 203 258 5540 5554 24 217 5208 -0.5 65400 9317
HIU50/6300  5880 6565 268 6475 6100 100 100 45 45 203 65 203 258 6240 6254 24 246 5904 -0.5 73800 10555
HIU50/6735  6312 7000 268 6910 6535 108 108 45 45 203 65 203 258 6675 6689 24 264 6336 -0.5 78900 11330

Intrpduction


Three-row crossed roller internal tooth slewing bearing is an important component in various industries. It is designed to handle high axial, radial, and moment loads, making it suitable for a wide range of applications. In this article, we will explore the features, advantages, and common applications of three-row crossed roller internal tooth slewing bearings.

Firstly, let's discuss the features of this type of slewing bearing. The three-row crossed roller internal tooth design allows for high load capacity and excellent stability. The rollers are positioned in a crisscross pattern, providing optimized load distribution and reducing friction. The internal gear teeth allow for precise rotation, making it suitable for applications requiring accurate positioning and smooth operation.

One significant advantage of three-row crossed roller internal tooth slewing bearings is their ability to handle heavy loads. They are commonly used in heavy machinery, such as cranes, excavators, and mining equipment. The high load capacity and stability enable these bearings to withstand the rigorous demands of these industries, ensuring reliable performance in even the most challenging conditions.

Another advantage is their compact design. Three-row crossed roller internal tooth slewing bearings have a smaller cross-section compared to other types of slewing bearings, allowing for space-saving installations. This feature makes them ideal for applications where space is limited, such as robotics, industrial manipulators, and medical equipment.

Additionally, these bearings offer excellent rotational precision. The internal gear teeth, combined with the crisscross roller arrangement, result in low friction and smooth rotation. This makes them suitable for precision-driven applications, such as machine tools, positioning systems, and optical devices.

In summary, three-row crossed roller internal tooth slewing bearings are versatile components with several advantages. Their high load capacity, compact design, and precise rotation make them suitable for various industries. From heavy machinery to precision-driven applications, these bearings provide reliable performance and contribute to the smooth operation of many different systems.

If you are in need of a robust, space-saving, and precise slewing bearing solution, consider the three-row crossed roller internal tooth design. Its features and advantages make it a valuable component in numerous applications.