Double-row spherical type(02 series)

CHARACTERISTIC OF STRUCTURE，PERFORMANCE AND APPLICATION
　　 The double-row Ball slewing beraring has three seat-rings.The steel balls and the spacers may be directly arranged into the upper and lower races.Two rows of steel balls with different diameters are fitted according to the force bom.
　　 Such open mode fitting features extraordinary convenience.The load angles of both upper and lower races are 90°,which enable the bearing to bear large axial force and the tipping moment.
　　 When the radial force is larger than 1/10 of the axail force the races should be newly designed.
　　 As the axle and the dimension of the double-row ball slewing bearing are rather large,the bearing construction is sturdy ,hence it is especially suitable for tower cranes which require working radius over medium range,mobile cranes and loading and unloading machines.

No.	Basic Type			Configuration size			Mounting size						sturctural			Gear date		Ext Gear		Int Gear		weight kg
	Toothless  DL mm	Ext Toothless  DL mm	INt Toothless  DL mm	D	d	H	D1 mm	D2 mm	dn1 dn2 mm	dm1 dm2 mm	L mm	n	n1	H1	h	b mm	m mm	da mm	Z	da mm	Z
1	020.25.500	021.25.500	023.25.500	616	384	106	580	420	18	M16		20	4	96	26	60	5	644	126	357	72	100
		022.25.500	024.25.500														6	646.8	105	350 .4	59
2	020.25.560	021.25.560	023.25.560	676	444		640	480									5	704	138	417	84	115
		022.25.560	024.25.560														6	706.8	115	410.4	69
3	020.25.630	021.25.630	023.25.630	746	514		710	550				24					6	790.8	129	482.4	81	130
		022.25.630	024.25.630														8	790.4	96	475.2	60
4	020.25.710	021.25.710	023.25.710	826	594		790	630									6	862.8	141	560.4	94	140
		022.25.710	024.25.710														8	862.4	105	555.2	70
5	020.30.800	021.30.800	023.30.800	942	658	124	898	702	22	M20		30	6	114	29	80	8	982.4	120	619.2	78	200
		022.30.800	024.30.800														10	988	96	614	62
6	020.30.900	021.30.900	023.30.900	1042	758		998	802									8	1086 .4	133	715.2	90	250
		022.30.900	024.30.900														10	1088	106	714	72
7	020.30.1000	021.30.1000	023.30.1000	1142	858		1098	902				36					10	1198	117	814	82	300
		022.30.1000	024.30.1000														12	1197.6	97	796.8	67
8	020.30.1120	021.30.1120	023.30.1120	1262	978		1218	1022									10	1318	129	924	93	340
		022.30.1120	024.30.1120														12	1317.6	107	916.8	77
9	020.40.1250	021.40.1250	023.40.1250	1426	1074	160	1374	1126	26	M24		40	5	150	39	90	12	1497.6	122	1012.8	85	580
		022.40.1250	024.40.1250														14	1495.2	104	1013.6	73
10	020.40.1400	021.40.1400	023.40.1400	1576	1224		1524	1272									12	1641.6	134	1156.8	97	650
		022.40.1400	024.40.1400														14	1649.2	115	1153.6	83
11	020.40.1600	021.40.1600	023.40.1600	1776	1424		1724	1476				45					14	1845.2	129	1349.6	97	750
		022.40.1600	024.40.1600														16	1852.8	113	1350.4	85
12	020.40.1800	021.40.1800	023.40.1800	1976	1624		1924	1676									14	2055.2	144	1545.6	111	820
		022.40.1800	024.40.1800														16	2060.8	126	1542.4	97
13	020.50.2000	021.50.2000	023.50.2000	2215	1785	190	2149	1851	33	M30		48	8	178	47	120	16	2300.8	141	1702.4	107	1150
		022.50.2000	024.50.2000														18	2300.4	125	1699.2	95
14	020.50.2240	021.50.2240	023.50.2240	2455	2025		2389	2091									16	2540.8	156	1942.4	122	1500
		022.50.2240	024.50.2240														18	2552.4	139	1933.2	108
15	020.50.2500	021.50.2500	023.50.2500	2715	2285		2649	2351				56					18	2804.4	153	2203.2	123	1700
		022.50.2500	024.50.2500														20	2816	138	2188	110
16	020.50.2800	021.50.2800	023.50.2800	3015	2585		2949	2651									18	3110.4	170	2491.2	139	1900
		022.50.2800	024.50.2800														20	3116	153	2488	125

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