Slewing Bearing With Internal Gear

Slewing Bearing With Internal Gear with gear on the internal ring. Gear hardening treatment or not is based on the working conditions. Compared withbearing for swing setwith external gear, the internal gear will has longer service life when worked in the same environment due to the gear is in the inner ring, as it can make the gear has good dust prevention and the grease oil can be kept for a longer time and more important the internal teeth have lower transmission contact stress and less wear. However, it is inconvenient for installation and fault diagnosis check after some time using due to the size limitation and compact interior space.

Features and Benefits of Slewing Bearing With Internal Gear

One of the main quality issues we encountered in our aftermarket work a few years ago was raceway noise.

Why is there a raceway noise? We think that the main reason is that the hardness of the raceway is not enough or the quenching depth of the raceway is not enough.After a long period of wear between the steel ball and the raceway, the raceway will be worn out.

Starting from a small area, if the problem become serious, a very loud noise will be emitted. In order to solve this problem, we started from the raceway grinding equipment and the raceway grinding process.

After continuous exploration by engineers and front-line workers, we have successfully mastered and improved the raceway grinding production process, ensuring that there was no noise problems again from that time.

Slewing BearingWith Internal Gear Specifications

Slewing Bearing With Internal Gear
MODEL	DIMENSION				MOUNTING HOLE						GEAR DATA
					THOUGH HOLE				SCREW HOLE							kg
	D	d	H	h	D1	D2	φ	n	M	L	z	m	da	B	X
	mm				mm							mm
	408	224	60	10	370	260	17	10	M16	24	70 51	3 4	207 200	40		34 35
	448	264	60	10	410	300	17	10	M16	24	84 61	3 4	246 240	40		39 40
	493	310	60	10	455	345	17	12	M16	24	73 57	4 5	288 280	40		44 46
	543	360	60	10	505	395	17	12	M16	28	85 67	4 5	336 330	40		50 52
	656	468	60	10	555	445	17	14	M16	28	78 64	5 6	385 378	40		57 76
	656	468	70	10	618	502	17	14	M16	30	111 88	4 5	440 435	50		76 77
	726	538	70	10	688	572	17	16	M16	30	129 102	4 5	512 505	50		84 86
	806	618	70	10	768	652	17	18	M16	30	118 98	5 6	585 582	50		97 97
	896	708	70	10	858	742	17	20	M16	30	113 84	6 8	672 664	50		110 111
	908	694	78	10	864	736	22	18	M20	36	110 82	6 8	654 648	58		142 142
	1008	794	78	10	964	836	22	20	M20	36	94 75	8 10	744 740	58		163 162
	1108	894	78	10	1064	936	22	24	M20	36	107 85	8 10	848 840	58		178 179
	1124	880	90	10	1074	926	24	24	M22	40	105 84	8 10	832 830	70		230 227
	1244	1000	90	10	1194	1046	24	28	M22	40	95 79	10 12	940 936	70		263 262
	1374	1130	90	10	1324	1176	24	32	M22	40	108 90	10 12	1070 1068	70		294 290
	1524	1280	90	10	1474	1326	24	36	M22	40	102 87	12 14	1212 1204	70		333 336
	1394	1110	102	12	1336	1164	26	32	M24	45	106 88	10 12	1050 1044	80		388 388
	1544	1260	102	12	1486	1314	26	36	M24	45	100 86	12 14	1188 1190	80		444 434
	1744	1460	102	12	1686	1514	26	40	M24	45	117 100	12 14	1392 1386	80		509 511
	1944	1660	102	12	1886	1714	26	44	M24	45	114 99	14 16	1582 1568	80		576 591
	1766	1438	124	12	1704	1496	30	40	M27	50	115 98	12 14	1368 1358	100		714 723
	1966	1638	124	12	1904	1696	30	44	M27	50	113 98	14 16	1568 1552	100		794 818
	2166	1842	124	12	2104	1896	30	48	M27	50	111 98	16 18	1760 1746	100		891 913

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