1) Single-row-4-point contact ball series, double-row balls series, crossed cylindrical roller series, three-row cylindrical roller combination series and so on 2) Widely used in cranes, construction machines, harbor and ship mechanism and high precision large turning tables for radars and missile launchers. 3) The range of inner diameter size is below 2800mm ??????????????????? Single-row-4-point Contact Ball Slewing Bearings (non-gear type) ?????? ?????? ?????? ??? Boundary dimensions(mm) Basicload Mass Designations D d H ratings Coa 104N kg 116752 480 260 60 75.4 55 116752K 480 260 60 75.4 58.6 176792 590 460 45 62.6 35.9 176792K 590 460 45 62.6 36 176792K2M 590 460 45 94.4 30.8 1167/530 780 530 60 112 103 1167/560 720 560 36 70.8 40.3 1167/560K 720 560 36 70.8 39.2 1167/560M 720 560 36 70.8 38.1 1168/560 780 560 60 224 103 11768/630 780 630 69 111 79.4 1167/700 900 700 36 179 60 E787/760G2 950 760 80 203 138 3-640 1000 775 64 196 112 3-640K 1000 775 64 196 112 787/800G 1050 800 90 215 192 71769/850Y 1120 850 85 151 248 769/850G2K 1120 850 85 210 257 787/932G2 1200 932 120 349 328 787/960G2 1165 960 90 249 202 787/1000G2 1250 1000 100 540 283 787/1260G2 1509 1260 90 378 274 71169/1400Y 1820 1400 136 611 1114 71169/1400Y1 1820 1400 136 1070 1120 787/1440G2 1780 1440 100 503 533 787/1628G2 1927 1628 130 692 732 787/1700KM 2000 1700 150 684 826 KDL900-6 1050 832 56 227 52.5 LD-??07 485 275 55 87.2 43.7 LD-??07K 485 275 55 87.2 43.7 LD-??20 440 240 55 78.2 34.7 ??????????????????? Single-row-4-point Contact Ball Slewing Bearings (external-gear type) ?????? ?????? ?????? ??? Boundary dimensions(mm) Basicload Mass Designations D d H ratings Coa 104N kg D178794 694 470 77 157 93.1 1787/600G 786 600 72 107 94.1 1787/674G2 853 674 70 183 89 11787/674G2K 853 674 70 183 88.6 1787/710G2 894 710 67 179 107 1787/710G2K 894 710 67 179 107 1787/710G2K1 894 710 67 179 107 1787/800G 1050 800 90 215 217 1787/800GK 1050 800 90 215 217 1788/1040G2 ??1040 80 297 251 1787/1060G 1335 1060 109 501 407 1787/1075 1365 1075 120 463 463 1787/1075K 1365 1075 130 463 550 1787/1075G2 1365 1075 120 463 463 1787/1075G2K 1365 1075 120 463 463 1787/1330G2 1475 1330 82.4 353 280 323-647G 1407 1352 100 216 143 1788/1410G2 ??1410 85 395 312 1787/1640G 2050 1640 160 1118 1264 1787/1700 1945 1700 120 405 516 1789/1700GM 2052 1700 100 551 678