(Q series) internal tooth type

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Slewing ring bearing

Single-row four-point contact ball slewing bearing is composed of two seat rings, compact structure, light weight, steel ball and arc raceway four-point contact, can bear axial force, radial force and tilting moment, rotary conveyor, welding manipulator, small and medium-sized cranes and excavators and other construction machinery can be selected.

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Slewing ring bearing

(Q series) single row four-point contact ball slewing ring-internal tooth type

Structural characteristics, performance and scope of application

Serial Number	Model	Overall dimension			Mounting hole size						Structure size		Gear parameters
		Internal tooth type		H	Du	Dn	n	Through hole A	Screw hole B/C/D		n1 oil cup Quantity	h	B	m	Internal tooth type x = 0.5
															de	Number of teeth z	Weight
		D	d					φ	d1	T
		mm						mm				mm		mm	mm		kg
1	QN.315.20	408	224	60	370	260	10	17	M16	24	2	10	40	3	207	70	34
	QN.315.20A													4	200	51	35
2	QN.355.20	448	264	60	410	300	10	17	M16	24	2	10	40	3	246	84	39
	QN.355.20A													4	240	61	40
3	QN.400.20	493	310	60	455	345	12	17	M16	24	2	10	40	4	288	73	44
	QN.400.20A													5	280	57	46
4	QN.450.20	543	360	60	505	395	12	17	M16	24	2	10	40	4	336	85	50
	QN.450.20A													5	330	67	52
5	QN.500.20	593	410	60	555	445	14	17	M16	24	2	10	40	5	385	78	55
	QN.500.20A													6	378	64	57
6	QN.560.20	656	468	70	618	502	14	17	M16	30	2	10	50	4	440	111	76
	QN.560.20A													5	435	88	77
7	QN.630.20	726	538	70	688	572	16	17	M16	30	2	10	50	4	512	129	84
	QN.630.20A													5	505	102	86
8	QN.710.20	806	618	70	768	652	18	17	M16	30	2	10	50	5	585	118	97
	QN.710.20A													6	582	98	97
9	QN.800.20	896	708	70	858	742	20	17	M16	30	2	10	50	6	672	113	110
	QN.800.20A													8	664	84	111
10	QN.800.25	908	694	78	864	736	18	22	M20	36	2	10	58	6	654	110	142
	QN.800.25A													8	648	82	142
11	QN.900.25	1008	794	78	964	836	20	22	M20	36	2	10	58	8	744	94	163
	QN.900.25A													10	740	75	162
12	QN.1000.25	1108	894	78	1064	936	24	22	M20	36	2	10	58	8	848	107	178
	QN.1000.25A													10	840	85	179
13	QN.1000.32	1124	880	90	1074	926	24	24	M22	40	2	10	70	8	832	105	230
	QN.1000.32A													10	830	84	227
14	QN.1120.32	1244	1000	90	1194	1046	28	24	M22	40	4	10	70	10	940	95	263
	QN.1120.32A													12	936	79	262
15	QN.1250.32	1374	1130	90	1324	1176	32	24	M22	40	4	10	70	10	1070	108	294
	QN.1250.32A													12	1068	90	290
16	QN.1400.32	1524	1280	90	1474	1326	36	24	M22	40	4	10	70	12	1212	102	333
	QN.1400.32A													14	1204	87	336
17	QN.1250.40	1394	1110	102	1336	1164	32	26	M24	45	4	12	80	10	1050	106	388
	QN.1250.40A													12	1044	88	388
18	QN.1400.40	1544	1260	102	1486	1314	36	26	M24	45	4	12	80	12	1188	100	444
	QN.1400.40A													14	1190	86	434
19	QN.1600.40	1744	1460	102	1686	1514	40	26	M24	45	4	12	80	12	1392	117	509
	QN.1600.40A													14	1386	100	511
20	QN.1800.40	1944	1660	102	1886	1714	44	26	M24	45	4	12	80	14	1582	114	576
	QN.1800.40A													16	1568	99	591
21	QN.1600.50	1766	1438	124	1704	1496	40	30	M27	50	4	12	100	12	1368	115	714
	QN.1600.50A													14	1358	98	723
22	QN.1800.50	1966	1638	124	1904	1696	44	30	M27	50	4	12	100	14	1568	113	794
	QN.1800.50A													16	1552	98	818
23	QN.2000.50	2166	1842	124	2104	1896	48	30	M27	50	6	12	100	16	1760	111	891
	QN.2000.50A													18	1746	98	913
24	QN.2240.50	2406	2078	124	2344	2136	54	30	M27	50	6	12	100	16	1984	125	1044
	QN.2240.50A													18	1980	111	1041
25	QN.2500.50	2666	2342	124	2604	2396	60	30	M27	50	6	12	100	18	2250	126	1132
	QN.2500.50A													20	2240	113	1148
26	QN.2500.60	2696	2308	150	2626	2374	60	33	M30	56	6	14	122	18	2214	124	1621
	QN.2500.60A													20	2200	111	1654

Note:

1. n1 is the number of lubricating oil holes, evenly distributed: oil cup M10 × 1 JB/T7940.1-JB/T7940.2

2. Installation hole n-Φ can be replaced by screw hole; Tooth width B can be changed to H-h.

3. The circumferential force of the gear in the table is the maximum circumferential force, and the rated circumferential force is 1/2.

Slewing ring bearing