XZWD has the capability to design and manufacture slewing ring bearings ranging from 10 inches (250 mm) to 195 inches (5,000 mm) in diameter. Our slewing ring bearings are available with internal and external gears if needed. Styles range from single row ball, double row ball, single row roller, and multiple row rollers. Our products are widely used by original equipment manufacturers (OEMs) in construction equipment, engineering machines, port/harbor cranes, metallurgical equipment, light industrial machines, windmill generators, medical treatment CT equipment, defense/military equipment, etc.
| Dimensions | Fixing Holes | Structure Size | Gear data | External gear data | Internal gear data | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | D (mm) | d (mm) | H （mm） | D1 （mm） | D2 （mm） | dn1 dn2 （mm） | dm1 dm2 （mm） | L （mm） | n | n1 | D3 （mm） | d1 (mm) | H1 (mm） | h （mm） | b （mm） | m （mm） | da (mm) | z | da (mm) | z | |
| 01.20.200 | 280 | 120 | 60 | 248 | 152 | 16 | M14 | 28 | 12 | 2 | 201 | 199 | 50 | 10 | 40 | 3 | 300 | 98 | - | - | |
| 01.20.224 | 304 | 144 | 60 | 272 | 176 | 16 | M14 | 28 | 12 | 2 | 225 | 223 | 50 | 10 | 40 | 3 | 321 | 105 | - | - | |
| 01.20.250 | 330 | 170 | 60 | 298 | 202 | 16 | M14 | 28 | 18 | 2 | 251 | 249 | 50 | 10 | 40 | 4 | 352 | 86 | - | - | |
| 01.20.280 | 360 | 200 | 60 | 328 | 232 | 16 | M14 | 28 | 18 | 2 | 281 | 279 | 50 | 10 | 40 | 4 | 384 | 94 | - | - | |
| 01.25.315 | 408 | 222 | 70 | 372 | 258 | 18 | M16 | 32 | 20 | 2 | 316 | 314 | 60 | 10 | 50 | 5 | 435 | 85 | 190 | 40 | |
| 01.25.355 | 448 | 262 | 70 | 412 | 298 | 18 | M16 | 32 | 20 | 2 | 356 | 354 | 60 | 10 | 50 | 5 | 475 | 93 | 235 | 49 | |
| 01.25.400 | 493 | 307 | 70 | 457 | 343 | 18 | M16 | 32 | 20 | 2 | 401 | 399 | 60 | 10 | 50 | 6 | 528 | 86 | 276 | 48 | |
| 01.25.450 | 543 | 357 | 70 | 507 | 393 | 18 | M16 | 32 | 20 | 2 | 451 | 449 | 60 | 10 | 50 | 6 | 576 | 94 | 324 | 56 | |
| 01.30.500 | 602 | 398 | 80 | 566 | 434 | 18 | M16 | 32 | 20 | 4 | 501 | 498 | 70 | 10 | 60 | 5 6 | 629 628.8 | 123 102 | 367 368.4 | 74 62 | |
| 01.25.500 | 602 | 398 | 80 | 566 | 434 | 18 | M16 | 32 | 20 | 4 | 501 | 499 | 70 | 10 | 60 | 5 6 | 629 628.8 | 123 102 | 367 368.4 | 74 62 | |
| 01.30.560 | 662 | 458 | 80 | 626 | 494 | 18 | M16 | 32 | 20 | 4 | 561 | 558 | 70 | 10 | 60 | 5 6 | 689 688.8 | 135 112 | 427 428.4 | 86 72 | |
| 01.25.560 | 662 | 458 | 80 | 626 | 494 | 18 | M16 | 32 | 20 | 4 | 561 | 559 | 70 | 10 | 60 | 5 6 | 689 688.8 | 135 112 | 427 428.4 | 86 72 | |
| 01.30.630 | 732 | 528 | 80 | 696 | 564 | 18 | M16 | 32 | 24 | 4 | 631 | 628 | 70 | 10 | 60 | 6 8 | 772.8 774.4 | 126 94 | 494.4 491.2 | 83 62 | |
| 01.25.630 | 732 | 528 | 80 | 696 | 564 | 18 | M16 | 32 | 24 | 4 | 631 | 629 | 70 | 10 | 60 | 6 8 | 772.8 774.4 | 126 94 | 494.4 491.2 | 83 62 | |
| 01.30.710 | 812 | 608 | 80 | 776 | 644 | 18 | M16 | 32 | 24 | 4 | 711 | 708 | 70 | 10 | 60 | 6 8 | 850.8 854.4 | 139 104 | 572.4 571.2 | 96 72 | |
| 01.25.710 | 812 | 608 | 80 | 776 | 644 | 18 | M16 | 32 | 24 | 4 | 711 | 709 | 70 | 10 | 60 | 6 8 | 850.8 854.4 | 139 104 | 572.4 571.2 | 96 72 | |
| 01.40.800 | 922 | 678 | 100 | 878 | 722 | 22 | M20 | 40 | 30 | 6 | 801 | 798 | 90 | 10 | 80 | 8 10 | 966.4 968 | 118 94 | 635.2 634 | 80 64 | |
| 01.30.800 | 922 | 678 | 100 | 878 | 722 | 22 | M20 | 40 | 30 | 6 | 801 | 798 | 90 | 10 | 80 | 8 10 | 966.4 968 | 118 94 | 635.2 634 | 80 64 | |
| 01.40.900 | 1022 | 778 | 100 | 978 | 822 | 22 | M20 | 40 | 30 | 6 | 901 | 898 | 90 | 10 | 80 | 8 10 | 1062.4 1068 | 130 104 | 739.2 734 | 93 74 | |
| 01.30.900 | 1022 | 778 | 100 | 978 | 822 | 22 | M20 | 40 | 30 | 6 | 901 | 898 | 90 | 10 | 80 | 8 10 | 1062.4 1068 | 130 104 | 739.2 734 | 93 74 | |
| 01.40.1000 | 1122 | 878 | 100 | 1078 | 922 | 22 | M20 | 40 | 36 | 6 | 1001 | 998 | 90 | 10 | 80 | 10 12 | 1188 1185.6 | 116 96 | 824 820.8 | 83 69 | |
| 01.30.1000 | 1122 | 878 | 100 | 1078 | 922 | 22 | M20 | 40 | 36 | 6 | 1001 | 998 | 90 | 10 | 80 | 10 12 | 1188 1185.6 | 116 96 | 824 820.8 | 93 69 | |
| 01.40.1120 | 1242 | 998 | 100 | 1198 | 1042 | 22 | M20 | 40 | 36 | 6 | 1121 | 1118 | 90 | 10 | 80 | 10 12 | 1298 1305.6 | 127 106 | 944 940.8 | 95 79 | |
| 01.30.1120 | 1242 | 998 | 100 | 1198 | 1042 | 22 | M20 | 40 | 36 | 6 | 1121 | 1118 | 90 | 10 | 80 | 10 12 | 1298 1305.6 | 127 106 | 944 940.8 | 95 79 | |
| 01.45.1250 | 1390 | 1110 | 110 | 1337 | 1163 | 26 | M24 | 48 | 40 | 5 | 1252 | 1248 | 100 | 10 | 90 | 12 14 | 1449.6 1453.2 | 118 101 | 1048.8 1041.6 | 88 75 | |
| 01.35.1250 | 1390 | 1110 | 110 | 1337 | 1163 | 26 | M24 | 48 | 40 | 5 | 1251 | 1248 | 100 | 10 | 90 | 12 14 | 1449.6 1453.2 | 118 101 | 1048.8 1041.6 | 88 75 | |
| 01.45.1400 | 1540 | 1260 | 110 | 1487 | 1313 | 26 | M24 | 48 | 40 | 5 | 1402 | 1398 | 100 | 10 | 90 | 12 14 | 1605.6 1607.2 | 131 112 | 1192.8 1195.6 | 100 86 | |
| 01.35.1400 | 1540 | 1260 | 110 | 1487 | 1313 | 26 | M24 | 48 | 40 | 5 | 1401 | 1398 | 100 | 10 | 90 | 12 14 | 1605.6 1607.2 | 131 112 | 1192.8 1195.6 | 100 86 | |
| 01.45.1600 | 1740 | 1460 | 110 | 1687 | 1513 | 26 | M24 | 48 | 45 | 5 | 1602 | 1598 | 100 | 10 | 90 | 14 16 | 1817.2 1820.8 | 127 111 | 1391.6 1382.4 | 100 87 | |
| 01.35.1600 | 1740 | 1460 | 110 | 1687 | 1513 | 26 | M24 | 48 | 45 | 5 | 1601 | 1598 | 100 | 10 | 90 | 14 16 | 1817.2 1820.8 | 127 111 | 1391.6 1382.4 | 100 87 | |
| 01.45.1800 | 1940 | 1660 | 110 | 1887 | 1713 | 26 | M24 | 48 | 45 | 5 | 1802 | 1798 | 100 | 10 | 90 | 14 16 | 2013.2 2012.8 | 141 123 | 1573.6 1574.4 | 113 99 | |
| 01.35.1800 | 1940 | 1660 | 110 | 1887 | 1713 | 26 | M24 | 48 | 45 | 5 | 1801 | 1798 | 100 | 10 | 90 | 14 16 | 2013.2 2012.8 | 141 123 | 1573.6 1574.4 | 113 99 | |
| 01.60.2000 | 2178 | 1825 | 144 | 2110 | 1891 | 33 | M30 | 60 | 48 | 8 | 2002 | 1998 | 132 | 12 | 120 | 16 18 | 2268.8 2264.4 | 139 123 | 1734.4 1735.2 | 109 97 | |
| 01.40.2000 | 2178 | 1825 | 144 | 2110 | 1891 | 33 | M30 | 60 | 48 | 8 | 2001 | 1998 | 132 | 12 | 120 | 16 18 | 2268.8 2264.4 | 139 123 | 1734.4 1735.2 | 109 97 | |
| 01.60.2240 | 2418 | 2065 | 144 | 2350 | 2131 | 33 | M30 | 60 | 48 | 8 | 2242 | 2238 | 132 | 12 | 120 | 16 18 | 2492.8 2498.4 | 153 136 | 1990.4 1987.2 | 125 111 | |
| 01.40.2240 | 2418 | 2065 | 144 | 2350 | 2131 | 33 | M30 | 60 | 48 | 8 | 2241 | 2238 | 132 | 12 | 120 | 16 18 | 2492.8 2498.4 | 153 136 | 1990.4 1987.2 | 125 111 | |
| 01.60.2500 | 2678 | 2325 | 144 | 2610 | 2391 | 33 | M30 | 60 | 56 | 8 | 2502 | 2498 | 132 | 12 | 120 | 18 20 | 2768.4 2776 | 151 136 | 2339.2 2228 | 125 112 | |
| 01.40.2500 | 2678 | 2325 | 144 | 2610 | 2391 | 33 | M30 | 60 | 56 | 8 | 2501 | 2498 | 132 | 12 | 120 | 18 20 | 2768.4 2776 | 151 136 | 2339.2 2228 | 125 112 | |
| 01.60.2800 | 2978 | 2625 | 144 | 2910 | 2691 | 33 | M30 | 60 | 56 | 8 | 2802 | 2798 | 132 | 12 | 120 | 18 20 | 3074.4 3076 | 168 151 | 2527.2 2528 | 141 127 | |
| 01.40.2800 | 2978 | 2625 | 144 | 2910 | 2691 | 33 | M30 | 60 | 56 | 8 | 2801 | 2798 | 132 | 12 | 120 | 18 20 | 3074.4 3076 | 168 151 | 2527.2 2528 | 141 127 | |
| 01.75.3150 | 3376 | 2922 | 174 | 3686 | 3014 | 45 | M42 | 84 | 56 | 8 | 3152 | 3147 | 162 | 12 | 150 | 20 22 | 3476 3471.6 | 171 155 | 2828 2824.8 | 142 129 | |
| 01.50.3150 | 3376 | 2922 | 174 | 3686 | 3014 | 45 | M42 | 84 | 56 | 8 | 3152 | 3148 | 162 | 12 | 150 | 20 22 | 3476 3471.6 | 171 155 | 2828 2824.8 | 142 129 | |
| 01.75.3550 | 3776 | 3322 | 174 | 3686 | 3414 | 45 | M42 | 84 | 56 | 8 | 3552 | 3547 | 162 | 12 | 150 | 20 22 | 3876 3889.6 | 191 174 | 3228 3220.8 | 162 147 | |
| 01.50.3550 | 3776 | 3322 | 174 | 3686 | 3414 | 45 | M42 | 84 | 56 | 8 | 3552 | 3548 | 162 | 12 | 150 | 20 22 | 3876 3889.6 | 191 174 | 3228 3220.8 | 162 147 | |
| 01.75.4000 | 4226 | 3772 | 174 | 4136 | 3864 | 45 | M42 | 84 | 60 | 10 | 4002 | 3997 | 162 | 12 | 150 | 22 25 | 4329.6 4345 | 194 171 | 3660.8 3660 | 167 147 | |
| 01.50.4000 | 4226 | 3772 | 174 | 4136 | 3864 | 45 | M42 | 84 | 60 | 10 | 4002 | 3998 | 162 | 12 | 150 | 22 25 | 4329.6 4345 | 194 171 | 3660.8 3660 | 167 147 | |
| 01.75.4500 | 4726 | 4272 | 174 | 4636 | 4364 | 45 | M42 | 84 | 60 | 10 | 4502 | 4497 | 162 | 12 | 150 | 22 25 | 4835.6 4845 | 217 191 | 4166.8 4160 | 190 167 | |
| 01.50.4500 | 4726 | 4272 | 174 | 4636 | 4364 | 45 | M42 | 84 | 60 | 10 | 4502 | 4498 | 162 | 12 | 150 | 22 25 | 4835.6 4845 | 217 191 | 4166.8 4160 | 190 167 | |
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