Double-row ball slewing bearings(no gears)

Double row ball slewing bearings with different diameters has three races, its steel balls and spacer blocks can be directly discharged into the upper and lower raceway. According to the stress conditions, upper and lower rows of steel balls with different diameters are arranged. It is especially suitable for tower cranes with medium and above diameter, truck cranes and other loading and unloading machines, as well as port tower cranes, and the situation in which single piece is light, in large quantities and used frequently.

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Specifications

Double-row ball slewing bearing(no gears)

Length unit：mm weight unit：Kg


No	Basic designation	Boundary dimensions			Mount dimensions				Structure dimensions					Mass reference
No	No gears	D	d	H	D1	D2	n	Ф	n1	D3	d1	H1	h	Mass reference
1	020.25.500	616	384	106	580	420	20	18	4	482	477	96	26	117
2	020.25.560	676	444	106	640	480	20	18	4	543	537	96	26	132
3	020.25.630	746	514	106	710	550	24	18	4	613	607	96	26	149
4	020.25.710	826	594	106	790	630	24	18	4	692	687	96	26	167
5	020.32.800	942	658	124	898	702	30	22	6	777	771	114	29	259
6	020.32.900	1042	758	124	998	802	30	22	6	877	871	114	29	316
7	020.32.1000	1142	858	124	1098	902	36	22	6	977	971	114	29	349
8	020.32.1120	1262	978	124	1218	1022	36	22	6	1097	1091	114	29	394
9	020.40.1250	1426	1074	160	1374	1126	40	26	5	1215	1214	150	39	709
10	020.40.1400	1576	1224	160	1524	1272	40	26	5	1365	1364	150	39	787
11	020.40.1600	1776	1424	160	1724	1476	45	26	5	1565	1564	150	39	899
12	020.40.1800	1976	1624	160	1924	1676	45	26	5	1765	1764	150	39	1018
13	020.45.2000	2215	1785	190	2149	1851	48	33	8	1965	1962	178	47	1586
14	020.45.2240	2455	2052	190	2389	2091	48	33	8	2206	2202	178	47	1789
15	020.45.2500	2715	2285	190	2649	2351	56	33	8	2465	2462	178	47	1990
16	020.45.2800	3015	2585	190	2949	2651	56	33	8	2765	2762	178	47	2243
17	020.50.3150	3428	2872	226	3338	2962	56	45	8	3104	3102	214	56	3762
18	020.50.3550	3828	3272	226	3738	3362	56	45	8	3504	3502	214	56	4272
19	020.50.4000	4278	3722	226	4188	3812	60	45	10	3954	3952	214	56	4828
20	020.50.4500	4778	4222	226	4688	4312	60	45	10	4454	4452	214	56	5465