Double-row ball slewing bearings(external gears)

Double-row ball slewing bearings(external 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(external gears)

Length unit：mm weight unit：Kg


No	Basic designation	Boundary dimensions			Mount dimensions				Structure dimensions					Gear parameter					Mass reference
	External gears	D	d	H	D1	D2	n	Ф	n1	D3	d1	H1	h	b	x	m	Da	z
1	021.25.500	616	384	106	580	420	20	18	4	527	519	96	26	60	+0.5	5	644	126	124
	022.25.500															6	646.8	105	125
2	021.25.560	676	444	106	640	480	20	18	4	587	579	96	26	60	+0.5	5	704	138	140
	022.25.560															6	706.8	115	140
3	021.25.630	746	514	106	710	550	24	18	4	657	649	96	26	60	+0.5	6	790.8	129	165
	021.25.630															8	790.4	96	162
4	021.25.710	826	594	106	790	630	24	18	4	737	729	96	26	60	+0.5	6	862.8	141	181
	021.25.710															8	862.4	105	179
5	021.30.800	942	658	124	898	702	30	22	6	833	822	114	29	80	+0.5	8	982.4	120	289
	022.30.800															10	988	96	290
6	021.30.900	1042	758	124	998	802	30	22	6	929	923	114	29	80	+0.5	8	1086.4	133	349
	022.30.900															10	1088	106	348
7	021.30.1000	1142	858	124	1098	902	36	22	6	1029	1023	114	29	80	+0.5	10	1198	117	396
	022.30.1000															12	1197.6	97	391
8	021.30.1120	1262	978	124	1218	1022	36	22	6	1148	1143	114	29	80	+0.5	10	1318	129	445
	022.30.1120															12	1317.6	107	439
9	021.40.1250	1426	1074	160	1374	1126	40	26	5	1286	1282	150	39	90	+0.5	12	1497.6	122	784
	022.40.1250															14	1495.2	104	774
10	021.40.1400	1576	1224	160	1524	1272	40	26	5	1436	1432	150	39	90	+0.5	12	1641.6	134	870
	022.40.1400															14	1649.2	115	878
11	021.40.1600	1776	1424	160	1724	1476	45	26	5	1636	1635	150	39	90	+0.5	14	1845.2	129	995
	022.40.1600															16	1852.8	113	1003
12	021.40.1800	1976	1624	160	1924	1676	45	26	5	1836	1835	150	39	90	+0.5	14	2055.2	144	1147
	022.40.1800															16	2060.8	126	1151
13	021.50.2000	2215	1785	190	2149	1851	48	33	8	2038	2035	178	47	120	+0.5	16	2300.8	141	1794
	022.50.2000															18	2300.4	125	1780
14	021.50.2240	2455	2025	190	2389	2091	48	33	8	2278	2275	178	47	120	+0.5	16	2540.8	156	2017
	022.50.2240															18	2552.4	139	2048
15	021.50.2500	2715	2285	190	2649	2351	56	33	8	2538	2532	178	47	120	+0.5	18	2804.4	153	2246
	022.50.2500															20	2816	138	2280
16	021.50.2800	3015	2585	190	2949	2651	56	33	8	2838	2832	178	47	120	+0.5	18	3110.4	170	2553
	022.50.2800															20	3116	153	2563
17	021.60.3150	3428	2872	226	3338	2962	56	45	8	3198	3196	214	56	150	+0.5	20	3536	174	4428
	022.60.3150															22	3537.6	158	4414
18	021.60.3550	3828	3272	226	3738	3362	56	45	8	3598	3596	214	56	150	+0.5	20	3936	194	5012
	022.60.3550															22	3933.6	176	4967
19	021.60.4000	4278	3722	226	4188	3812	60	45	10	4048	4046	214	56	150	+0.5	22	4395.6	197	5706
	022.60.4000															25	4395	173	5656
20	021.60.4500	4778	4222	226	4688	4312	60	45	10	4548	4546	214	56	150	+0.5	22	4879.6	219	6293
	022.60.4500															25	4895	193	6385