Double-row ball slewing ring (toothless type)
The double-row ball slewing bearing is composed of two rows of rolling elements, which can bear large axial load, radial load and overturning moment at the same time, and has a higher safety factor. It is widely used in large cranes, mining equipment, excavators and other mechanical equipment. Double row ball slewing bearing is mainly composed of inner ring, outer ring, two rows of rolling elements (steel balls), cage and sealing device. The inner and outer rings usually have multiple mounting h
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Product Description

Note
1, n1 is the number of lubricating oil holes. Oil cup M10x1JB/T7940.1~JB/T7940.
2 , according to the application, the user can specify the position of the oil hole, n-φ can be changed to threaded hole, thread diameter M, thread depth 2M
3. The internal gear circumferential force is the maximum circumferential force, and the rated circumferential force is 1/ 2.
4, "k" is the clipping coefficient.
5 the specifications in this sample are standard products., the inner and outer diameters are free tolerances. If the host and slewing bearing have coordination requirements, please in the contract or contract annex.( such as technical agreement) the fit size and accuracy are indicated in.
6, the table listed in our company's conventional products, if you have other special requirements, please contact our company
| No. | Model | Overall dimensions | Installation Dimensions | Structure Size | Gear Parameters | Peripheral force of gear | Reference weight | ||||||||||||||||
| De | D | d | H | D 1 | D 2 | n | Φ | M | n 1 | D 3 | d 1 | H₁ | h | B | m | z | x | k | Normalizing | Tempering | Kg | ||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | KN | KN | ||||||||
| 1 | 020.25.500.002 | 616 | 384 | 106 | 580 | 420 | 20 | 18 | 16 | 4 | 477 | 482 | 96 | 26 | 121 | ||||||||
| 2 | 020.25.560.002 | 676 | 444 | 106 | 640 | 480 | 20 | 18 | 16 | 4 | 537 | 543 | 96 | 26 | 136 | ||||||||
| 3 | 020.25.630.002 | 746 | 514 | 106 | 710 | 550 | 24 | 18 | 16 | 4 | 607 | 613 | 96 | 26 | 152 | ||||||||
| 4 | 020.25.710.002 | 826 | 594 | 106 | 790 | 630 | 24 | 18 | 16 | 4 | 687 | 692 | 96 | 26 | 172 | ||||||||
| 5 | 020.30.800.002 | 942 | 658 | 124 | 898 | 702 | 30 | 22 | 20 | 6 | 771 | 777 | 114 | 29 | 284 | ||||||||
| 6 | 020.30.900.002 | 1042 | 758 | 124 | 998 | 802 | 30 | 22 | 20 | 6 | 871 | 877 | 114 | 29 | 316 | ||||||||
| 7 | 020.30.1000.002 | 1142 | 858 | 124 | 1098 | 902 | 36 | 22 | 20 | 6 | 971 | 977 | 114 | 29 | 349 | ||||||||
| 8 | 020.30.1120.002 | 1262 | 978 | 124 | 1218 | 1022 | 36 | 22 | 20 | 6 | 1091 | 1097 | 114 | 29 | 394 | ||||||||
| 9 | 020.40.1250.002 | 1426 | 1074 | 160 | 1374 | 1126 | 40 | 26 | 24 | 5 | 1214 | 1215 | 150 | 39 | 709 | ||||||||
| 10 | 020.40.1400.002 | 1576 | 1224 | 160 | 1524 | 1272 | 40 | 26 | 24 | 5 | 1364 | 1365 | 150 | 39 | 787 | ||||||||
| 11 | 020.40.1600.002 | 1776 | 1424 | 160 | 1724 | 1476 | 45 | 26 | 24 | 5 | 1564 | 1565 | 150 | 39 | 899 | ||||||||
| 12 | 020.40.1800.002 | 1976 | 1624 | 160 | 1924 | 1676 | 45 | 26 | 24 | 5 | 1764 | 1765 | 150 | 39 | 1018 | ||||||||
| 13 | 020.50.2000.002 | 2215 | 1785 | 190 | 2149 | 1851 | 48 | 33 | 30 | 8 | 1962 | 1965 | 178 | 47 | 1586 | ||||||||
| 14 | 020.50.2240.002 | 2455 | 2025 | 190 | 2389 | 2091 | 48 | 33 | 30 | 8 | 2202 | 2206 | 178 | 47 | 1789 | ||||||||
| 15 | 020.50.2500.002 | 2715 | 2285 | 190 | 2649 | 2351 | 56 | 33 | 30 | 8 | 2462 | 2465 | 178 | 47 | 1990 | ||||||||
| 16 | 020.50.2800.002 | 3015 | 2585 | 190 | 2949 | 2651 | 56 | 33 | 30 | 8 | 2762 | 2765 | 178 | 47 | 2243 | ||||||||
| 17 | 020.60.3150.002 | 3428 | 2872 | 226 | 3338 | 2962 | 56 | 45 | 42 | 8 | 3102 | 3104 | 214 | 56 | 3762 | ||||||||
| 18 | 020.60.3550.002 | 3828 | 3272 | 226 | 3738 | 3362 | 56 | 45 | 42 | 8 | 3502 | 3504 | 214 | 56 | 4272 | ||||||||
| 19 | 020.60.4000.002 | 4278 | 3722 | 226 | 4188 | 3812 | 60 | 45 | 42 | 10 | 3952 | 3954 | 214 | 56 | 4828 | ||||||||
| 20 | 020.60.4500.002 | 4778 | 4222 | 226 | 4688 | 4312 | 60 | 45 | 42 | 10 | 4452 | 4454 | 214 | 56 | 5465 | ||||||||