Cross Roller Slewing Bearings
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Cross Roller Slewing Bearings
Cross roller slewing bearings with rollers arranged at 90° intervals between inner and outer rings. They can withstand loads from all directions simultaneously (such as axial, radial, overturning moment, etc.). Due to the linear contact between the roller and the track surface, the elastic deformation of the bearing under heavy load is correspondingly small and the rigidity is high. At the same time, it has mounting holes and sealing accessories or inner or outer rings fitted with teeth to simplify the mounting structure.
Cross roller slewing bearings is also known as cross cylindrical roller slewing bearing. A single-row cross-cylindrical roller slewing bearings consists of two rings. It is compact in structure, light in weight, high in manufacturing precision, small in assembly clearance, and high in installation precision. High. Roller 1:1 cross arrangement can bear axial force, overturning moment, and large radial force. Widely used in lifting, construction machinery, military products, and other fields. This kind of bearing interference has high rotation accuracy, support stiffness, and the ability to bear a high dynamic load.
Cross Roller Slewing Bearings Specification:
(1) Model parameters of external gear crossed roller slewing bearings
Model | Dimensions | Installation size | Tooth parameters | Load | Weight | ||||||||||||||
De | de | di | Di | He | Hi | Ht | Fe | Ne | he | Fi | Ni | hi | m | Z | x·m | Dp | |||
[mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [-] | [mm] | [-] | [mm] | [-] | [mm] | [mm] | [kN] | [kg] | |||
1X14-E-0414 | 503.3 | 417 | 413 | 342 | 44.5 | 44.5 | 56 | 455 | 20 | M12 | 368 | 24 | 14 | 5 | 99 | – | 495 | 30.26 | 32 |
1X14-E-0544 | 640.3 | 547 | 543 | 472 | 44.5 | 44.5 | 56 | 585 | 28 | M12 | 498 | 32 | 14 | 6 | 105 | – | 630 | 36.31 | 43 |
1X14-E-0644 | 742.3 | 647 | 643 | 572 | 44.5 | 44.5 | 56 | 685 | 32 | M12 | 598 | 36 | 14 | 6 | 122 | – | 732 | 36.31 | 52 |
1X14-E-0744 | 838.1 | 747 | 743 | 672 | 44.5 | 44.5 | 56 | 785 | 36 | M12 | 698 | 40 | 14 | 6 | 138 | – | 828 | 36.31 | 58 |
1X14-E-0844 | 950.1 | 847 | 843 | 772 | 44.5 | 44.5 | 56 | 885 | 36 | M12 | 798 | 40 | 14 | 8 | 117 | – | 936 | 48.42 | 71 |
1X14-E-0944 | 1046.1 | 947 | 943 | 872 | 44.5 | 44.5 | 56 | 985 | 40 | M12 | 898 | 44 | 14 | 8 | 129 | – | 1032 | 48.42 | 77 |
1X14-E-1044 | 1198.1 | 1097 | 1093 | 1022 | 44.5 | 44.5 | 56 | 1135 | 44 | M12 | 1048 | 48 | 14 | 8 | 148 | – | 1184 | 48.42 | 90 |
1X16-E-1204 | 1338 | 1206 | 1202 | 1119 | 58 | 58 | 68 | 1257 | 45 | 16 | 1151 | 45 | 16 | 10 | 131 | – | 1310 | 92.8 | 154 |
1X16-E-1314 | 1448 | 1316 | 1312 | 1229 | 58 | 58 | 68 | 1367 | 50 | 16 | 1261 | 50 | 16 | 10 | 142 | – | 1420 | 92.8 | 168 |
1X16-E-1424 | 1558 | 1426 | 1422 | 1339 | 58 | 58 | 68 | 1477 | 54 | 16 | 1371 | 54 | 16 | 10 | 153 | – | 1530 | 92.8 | 182 |
1X16-E-1534 | 1668 | 1536 | 1532 | 1449 | 58 | 58 | 68 | 1587 | 60 | 16 | 1481 | 60 | 16 | 10 | 164 | – | 1640 | 92.8 | 195 |
1X16-E-1644 | 1791 | 1646 | 1642 | 1536 | 58 | 58 | 68 | 1708 | 54 | 22 | 1580 | 54 | 22 | 10 | 176 | – | 1760 | 92.8 | 242 |
1X16-E-1754 | 1901 | 1756 | 1752 | 1646 | 58 | 58 | 68 | 1818 | 60 | 22 | 1690 | 60 | 22 | 10 | 187 | – | 1870 | 92.8 | 258 |
1X20-E-1904 | 2073.4 | 1906 | 1902 | 1796 | 58 | 58 | 68 | 1968 | 64 | 22 | 1840 | 64 | 22 | 14 | 145 | – | 2030 | 129.92 | 306 |
1X20-E-0307 | 403.5 | 308 | 306 | 234 | 47 | 45 | 55 | 358 | 24 | 13 | 259 | 28-1 | 13 | 4.5 | 88 | – | 396 | 15.12 | 24 |
1X25-E-0400 | 535 | 401.5 | 398.5 | 305 | 63 | 63 | 75 | 466 | 18 | 20 | 336 | 18 | 20 | 8 | 65 | – | 520 | 35.2 | 61 |
1X25-E-0475 | 589 | 476.5 | 473.5 | 383 | 63 | 63 | 75 | 540 | 18 | 20 | 410 | 18 | 20 | 5 | 116 | – | 580 | 22 | 63 |
1X30-E-0508 | 654 | 509.5 | 506.5 | 391 | 73 | 73 | 85 | 582 | 30 | 22 | 432 | 30-1 | 22 | 8 | 80 | – | 640 | 38.44 | 97 |
1X25-E-0574 | 700 | 575.5 | 572.5 | 479 | 64 | 64 | 77 | 640 | 36 | 18 | 508 | 36-1 | 18 | 6 | 114 | 3 | 690 | 34.78 | 82 |
1X25-E-0675 | 816 | 676.5 | 673.5 | 573 | 73 | 70 | 90 | 753 | 18 | 22 | 604 | 18 | 22 | 6 | 132 | 6.552 | 805.1 | 37.68 | 124 |
1X25-E-0734 | 886 | 735.5 | 732.5 | 614 | 75 | 70 | 85 | 810 | 30 | 22 | 658 | 30 | 22 | 8 | 108 | 4 | 872 | 57.97 | 155 |
1X30-E-0823 | 979 | 824.5 | 821.5 | 717 | 79 | 82 | 100 | 893 | 36 | 22 | 753 | 36-1 | 22 | 10 | 94 | 11 | 962 | 62.8 | 178 |
1X30-E-0980 | 1144 | 981.5 | 978.5 | 869 | 79 | 84 | 100 | 1050 | 36 | 22 | 910 | 36 | 22 | 10 | 111 | 8 | 1126 | 64.73 | 228 |
1X36-E-1116 | 1289.5 | 1118 | 1114 | 984 | 90 | 94 | 114 | 1198 | 40 | 22 | 1035 | 40 | 22 | 10 | 125 | 10.5 | 1271 | 75.4 | 335 |
1X36-E-1250 | 1476 | 1252 | 1248 | 1079 | 91 | 100 | 110 | 1350 | 40 | 26 | 1150 | 40 | 26 | 10 | 144 | 8.6 | 1457.2 | 75.4 | 505 |
1X45-E-1390 | 1604 | 1392 | 1388 | 1204 | 112 | 116 | 130 | 1500 | 48 | 30 | 1280 | 48 | 30 | 10 | 157 | 7.5 | 1585 | 87 | 620 |
1X45-E-1595 | 1836 | 1597 | 1593 | 1436 | 120 | 115 | 135 | 1700 | 45 | 30 | 1485 | 45 | 30 | 16 | 112 | 8 | 1808 | 185.5 | 791 |
1X45-E-1790 | 2027 | 1792 | 1788 | 1616 | 130 | 128 | 150 | 1905 | 48 | 30 | 1675 | 48 | 30 | 14 | 142 | 7 | 2002 | 175.8 | 1004 |
1X50-E-2002 | 2267 | 2004 | 2000 | 1821 | 129 | 119 | 140 | 2124 | 72 | 30 | 1880 | 72 | 30 | 16 | 139 | 8 | 2240 | 199.4 | 1174 |
1X50-E-2242 | 2534 | 2244 | 2240 | 2048 | 132 | 122 | 144 | 2373 | 60 | 33 | 2112 | 60 | 33 | 18 | 138 | 9 | 2502 | 229.6 | 1482 |
1X50-E-2500 | 2790 | 2502 | 2498 | 2296 | 148 | 142 | 164 | 2640 | 72 | 33 | 2360 | 72 | 33 | 18 | 151 | 19.8 | 2757.6 | 257.4 | 1895 |
1X50-E-2810 | 3116 | 2812 | 2808 | 2606 | 148 | 142 | 164 | 2950 | 80 | 33 | 2670 | 80 | 33 | 20 | 152 | 20 | 3080 | 286 | 2200 |
(2) Internal gear type cross roller slewing bearings model parameters
Model | Dimensions | Installation size | Tooth parameters | Load | Weight | ||||||||||||||
De | de | di | Di | He | Hi | Ht | Fe | Ne | he | Fi | Ni | hi | m | Z | x·m | Dp | |||
[mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [-] | [mm] | [-] | [mm] | [-] | – | [mm] | [kN] | [kg] | |||
1X14-I-0414 | 484 | 415 | 411 | 325 | 44.5 | 44.5 | 56 | 460 | 24 | 14 | 375 | 24 | M12 | 5 | 67 | – | 335 | 26.2 | 31 |
1X14-I-0544 | 614 | 545 | 541 | 444 | 44.5 | 44.5 | 56 | 590 | 32 | 14 | 505 | 32 | M12 | 6 | 76 | – | 456 | 35 | 43 |
1X14-I-0644 | 714 | 645 | 641 | 546 | 44.5 | 44.5 | 56 | 690 | 36 | 14 | 605 | 36 | M12 | 6 | 93 | – | 558 | 35 | 50 |
1X14-I-0744 | 814 | 745 | 741 | 648 | 44.5 | 44.5 | 56 | 790 | 40 | 14 | 705 | 40 | M12 | 6 | 110 | – | 660 | 35 | 58 |
1X14-I-0844 | 914 | 845 | 841 | 736 | 44.5 | 44.5 | 56 | 890 | 40 | 14 | 805 | 40 | M12 | 8 | 94 | – | 752 | 46.7 | 69 |
1X14-I-0944 | 1014 | 945 | 941 | 840 | 44.5 | 44.5 | 56 | 990 | 44 | 14 | 905 | 44 | M12 | 8 | 107 | – | 856 | 46.7 | 76 |
1X14-I-1094 | 1164 | 1095 | 1091 | 984 | 44.5 | 44.5 | 56 | 1140 | 48 | 14 | 1055 | 48 | M12 | 8 | 125 | – | 1000 | 46.7 | 91 |
1X16-I-1204 | 1289 | 1206 | 1202 | 1072 | 58 | 58 | 68 | 1257 | 45 | 16 | 1151 | 45 | 16 | 10 | 108 | – | 1080 | 96.67 | 148 |
1X16-I-1314 | 1399 | 1316 | 1312 | 1182 | 58 | 58 | 68 | 1367 | 50 | 16 | 1261 | 50 | 16 | 10 | 119 | – | 1190 | 96.67 | 161 |
1X16-I-1424 | 1509 | 1426 | 1422 | 1292 | 58 | 58 | 68 | 1477 | 54 | 16 | 1371 | 54 | 16 | 10 | 130 | – | 1300 | 96.67 | 175 |
1X16-I-1534 | 1619 | 1536 | 1532 | 1402 | 58 | 58 | 68 | 1587 | 60 | 16 | 1481 | 60 | 16 | 10 | 141 | – | 1410 | 96.67 | 189 |
1X16-I-1644 | 1752 | 1646 | 1642 | 1495 | 58 | 58 | 68 | 1708 | 54 | 22 | 1580 | 54 | 22 | 10 | 150 | – | 1500 | 96.67 | 239 |
1X16-I-1754 | 1862 | 1756 | 1752 | 1605 | 58 | 58 | 68 | 1818 | 60 | 22 | 1690 | 60 | 22 | 10 | 161 | – | 1610 | 96.67 | 256 |
1X20-I-1904 | 2012 | 1906 | 1902 | 1729 | 58 | 58 | 68 | 1968 | 64 | 22 | 1840 | 64 | 22 | 14 | 124 | – | 1736 | 135.33 | 304 |
1X16-I-0380 | 451 | 381 | 379 | 291 | 45 | 45 | 55 | 425 | 24 | 13.5 | 335 | 24 | 13.5 | 5 | 60 | – | 300 | – | 28 |
1X20-I-0489 | 562 | 490.5 | 487.5 | 385 | 50 | 50 | 60 | 538 | 30 | 14 | 440 | 30 | 14 | 6 | 66 | – | 396 | – | 44 |
1X20-I-0573 | 665 | 574.5 | 571.5 | 457 | 50 | 50 | 60 | 630 | 28 | 17.5 | 518 | 28 | 17.5 | 6 | 77 | -3 | 468 | – | 62 |
1X25-I-0673 | 771 | 674.5 | 671.5 | 541 | 60 | 60 | 70 | 736 | 32 | 17.5 | 610 | 32 | 17.5 | 6 | 91 | -3 | 552 | – | 96 |
1X25-I-0714 | 825 | 715.5 | 712.5 | 567.5 | 62 | 78 | 90 | 785 | 26 | 18 | 640 | 20 | 18 | 7 | 82 | – | 581 | – | 135 |
1X25-I-0770 | 871 | 771.5 | 768.5 | 634 | 60 | 60 | 70 | 833 | 36 | 17.5 | 707 | 36 | 17.5 | 8 | 80 | -4 | 648 | – | 112 |
1X25-I-0849 | 960 | 850.5 | 847.5 | 706 | 65 | 65 | 70 | 914 | 30 | 22 | 784 | 30 | 22 | 8 | 89 | -4 | 720 | – | 14.4 |
1X25-I-0946 | 1066 | 947.5 | 944.5 | 785 | 65 | 75 | 85 | 1015 | 36 | 22 | 880 | 36 | 22 | 10 | 79 | -6.52 | 803.04 | – | 190 |
1X25-I-1050 | 1170 | 1052 | 1048 | 882 | 80 | 88 | 98 | 1125 | 40 | 22 | 975 | 40 | 22 | 10 | 89 | – | 900 | – | 258 |
1X30-I-1140 | 1251 | 1143 | 1138 | 979 | 75 | 75 | 91 | 1212 | 40 | 22 | 1068 | 40 | 22 | 10 | 99 | -3.2 | 996.4 | – | 239 |
1X30-I-1304 | 1431 | 1306 | 1302 | 1132 | 82 | 85 | 97 | 1380 | 48 | 22 | 1228 | 48 | 22 | 10 | 115 | – | 1150 | – | 323 |
1X40-I-1385 | 1530 | 1387 | 1383 | 1178 | 107 | 107 | 130 | 1480 | 36 | 26 | 1290 | 36 | 26 | 12 | 100 | – | 1200 | – | 541 |
1X45-I-1606 | 1770 | 1608 | 1604 | 1375 | 125 | 125 | 150 | 1710 | 48 | 30 | 1500 | 48 | 30 | 14 | 100 | – | 1400 | – | 802 |
1X45-I-1830 | 2002 | 1832 | 1828 | 1595 | 125 | 125 | 150 | 1940 | 54 | 30 | 1720 | 54 | 30 | 14 | 115 | -4.9 | 1619.8 | – | 951 |
1X50-I-1997 | 2190 | 1999 | 1995 | 1731 | 127 | 132 | 144 | 2130 | 72 | 30 | 1880 | 72 | 30 | 16 | 109 | -8 | 1760 | – | 1199 |
1X50-I-2400 | 2590 | 2402 | 2398 | 2110 | 135 | 145 | 160 | 2520 | 80 | 30 | 2280 | 80 | 30 | 18 | 118 | -9 | 2142 | – | 1626 |
1X50-I-2810 | 3020 | 2812 | 2808 | 2495 | 140 | 148 | 158 | 2950 | 72 | 36 | 2670 | 72 | 36 | 20 | 126 | -6 | 2532 | – | 2154 |
(3) Model parameters of gearless cross roller slewing bearings
Model | Dimensions | Installation size | Weight | |||||||||||
De | de | di | Di | He | Hi | Ht | Fe | Ne | he | Fi | Ni | hi | ||
[mm] | [mm] | [mm] | [-] | [mm] | [mm] | [mm] | [mm] | [-] | [mm] | [-] | [kg] | |||
1X16-U-0220 | 300 | 221 | 219 | 140 | 44 | 44 | 52 | 270 | 12 | 18 | 170 | 12 | 18 | 16 |
1X16-U-0270 | 350 | 271 | 269 | 190 | 44 | 44 | 52 | 320 | 16 | 18 | 220 | 16 | 18 | 20 |
1X20-U-0307 | 403.5 | 308 | 306 | 234 | 47 | 45 | 55 | 358 | 24 | 13 | 259 | 28 | 13 | 26 |
1X20-U-0340 | 440 | 341.5 | 338.5 | 240 | 53 | 53 | 60 | 400 | 18 | 22 | 280 | 18 | 22 | 37 |
1X14-U-0414 | 486 | 415 | 413 | 342 | 44.5 | 44.5 | 56 | 460 | 24 | 14 | 368 | 24 | 14 | 28 |
1X14-U-0544 | 616 | 545 | 543 | 472 | 44.5 | 44.5 | 56 | 590 | 32 | 14 | 498 | 32 | 14 | 38 |
1X14-U-0644 | 716 | 645 | 643 | 572 | 44.5 | 44.5 | 56 | 690 | 36 | 14 | 598 | 36 | 14 | 44 |
1X14-U-0744 | 816 | 745 | 743 | 672 | 44.5 | 44.5 | 56 | 790 | 40 | 14 | 698 | 40 | 14 | 52 |
1X14-U-0844 | 916 | 845 | 843 | 772 | 44.5 | 44.5 | 56 | 890 | 40 | 14 | 798 | 40 | 14 | 60 |
1X14-U-0944 | 1016 | 945 | 943 | 872 | 44.5 | 44.5 | 56 | 990 | 44 | 14 | 898 | 44 | 14 | 67 |
1X14-U-1094 | 1166 | 1095 | 1093 | 1022 | 44.5 | 44.5 | 56 | 1140 | 48 | 14 | 1048 | 48 | 14 | 77 |
1X16-U-1204 | 1289 | 1206 | 1202 | 1119 | 58 | 58 | 68 | 1257 | 45 | 16 | 1151 | 45 | 16 | 124 |
1X16-U-1314 | 1399 | 1316 | 1312 | 1229 | 58 | 58 | 68 | 1367 | 50 | 16 | 1261 | 50 | 16 | 135 |
1X16-U-1424 | 1509 | 1426 | 1422 | 1339 | 58 | 58 | 68 | 1477 | 54 | 16 | 1371 | 54 | 16 | 146 |
1X16-U-1534 | 1619 | 1536 | 1532 | 1449 | 58 | 58 | 68 | 1587 | 60 | 16 | 1481 | 60 | 16 | 158 |
1X16-U-1644 | 1752 | 1646 | 1642 | 1536 | 58 | 58 | 68 | 1708 | 54 | 22 | 1580 | 54 | 22 | 214 |
1X16-U-1754 | 1862 | 1756 | 1752 | 1646 | 58 | 58 | 68 | 1818 | 60 | 22 | 1690 | 60 | 22 | 228 |
1X16-U-1904 | 2012 | 1906 | 1902 | 1796 | 58 | 58 | 68 | 1968 | 64 | 22 | 1840 | 64 | 22 | 248 |
Classification of Slewing Bearings:
According to the rolling element arrangement, slewing bearings can be generally divided into four-point contact ball slewing bearing, crossed roller slewing bearing, three-row roller slewing bearing, and so on. We will devote ourselves to satisfying customers’ demands as a slewing bearing supplier.
Applications of Slewing Bearings:
Slewing bearing has a unique structure that could handle an integrated load like the axle, radial, and overturning hurdle. It combines support, rotating, transmission, fixed, sealed, anti-corrosion, and other functions into one unit. They are widely used in lifting machinery, construction machinery, transmission machinery, mining and metallurgy machinery, medical equipment and radar, ship, wind power, and other industries.
How To Extend The Life Of Rotating Ring Bearings:
In heavy duty applications, premature failure of large diameter bearings is a common fate.
However,Regular maintenance can prevent 96% of rotary ring bearing failures. To maximize bearing life, follow these tips: raceway and gear lubrication, bolt torque inspection and seal inspection.
Most rotary bearing failures are due to lubrication problems, contamination, overload, improper fitting and mounting.
Have a preventative maintenance program that includes bearings, and be alert for these four warning signs of potential bearing problems.
1. Play on bearings
2. Grinding, cracking, or clicking sounds
3. Add torque or binding
4. Debris particles emerge from the seal