High quality Xuzhou Wanda Slewing Bearing Single Row Crossed Roller Slewing ring Bearing (HJ series) External Gear

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Product Description

Slewing bearing

A slewing bearing or slew[ing] ring is a rotational rolling-element bearing or plain bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill. (To "slew" means to turn without change of place.)

Compared to other rolling-element bearings, slewing bearings are thin in section and are often made in diameters of a metre or more; the slewing bearings on the Falkirk Wheel are 4 metres diameter and fit over a 3.5 metre axle. Slewing bearings resemble oversize aircraft control surface bearings.

Slewing bearings often use two rows of rolling elements. They often use three race elements, such as an inner ring and two outer ring "halves" that clamp together axially.

Slewing bearings are often made with gear teeth integral with the inner or outer race, used to drive the platform relative to the base.

As for other bearings that reciprocate, rather than rotating continuously, lubrication can be difficult. The oil wedge built up in a continuously rotating bearing is disrupted by the stop start motion of slewing. Instead, a hydrostatic bearing with pumped oil flow may be used.

Single row cross roller slewing bearing, is composed of two seat, compact structure, high precision, small assembly clearance, for installation accuracy requirement is high, the roller of 1:1 cross arranged, can bear axial force at the same time, the overturning moment and large radial force, is widely used to transport, engineering machinery and military products.

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To get drawing (pdf),please clik on Model.

No	Model Pdf.format	Dimensions			Mounting Dimension				Structural Dimension					Gear Data						Weight kg
		D mm	d mm	H mm	D1 mm	D2 mm	n	mm	n1 mm	D3 mm	d1 mm	H1 mm	h mm	b mm	x	m	De mm	z	Q
1	HJW.20.625	725	525	80	685	565	18	18	3	627	623	68	12	60	1.4	5	751.9	146	5.2	100
	HJW.20.625A														1.15	6	755.5	122	6.2
2	HJW.20.720	820	620	80	780	660	18	18	3	722	718	68	12	60	1.4	6	860.3	139	6.2	120
	HJW.20.720A														1	8	861.1	104	8.3
3	HJW.30.820	940	705	95	893	749	24	20	4	822	818	83	12	70	1.4	6	980.6	159	7.2	210
	HJW.30.820A														1	10	986.2	95	12.2
4	HJW.30.880	1000	760	95	956	800	24	20	4	882	878	83	12	70	1.15	8	1047.5	127	9.7	230
	HJW.30.880A														1	10	1046.3	101	12.2
5	HJW.30.1020	1170	875	95	1120	930	24	22	4	1022	1018	80	15	70	1.4	8	1219.3	148	9.7	300
	HJW.30.1020A														1.15	10	1219.2	118	12.2
6	HJW.36.1220	1365	1075	120	1310	1130	36	24	6	1222	1218	105	15	90	1.4	10	1424.9	138	15.7	450
	HJW.36.1220A														1	12	1435.9	116	18.8
7	HJW.36.1250	1400	1090	120	1350	1150	36	26	6	1252	1248	105	15	90	-0.35	10	1443	143	15.7	520
	HJW.36.1250A														1	12	1449.6	117	18.8
8	HJW.36.1435	1595	1278	120	1535	1335	36	26	6	1437	1433	105	15	90	1.15	12	1655.5	134	18.8	610
	HJW.36.1435A														1	14	1661.2	115	21.9
9	HJW.45.1540	1720	1360	140	1660	1420	42	26	6	1543	4537	122	18	110	1.4	12	1780.8	144	23	732
	HJW.45.1540A														1.15	14	1791.1	124	26.8
10	HJW.45.1700	1875	1525	140	1815	1585	42	29	6	1703	1697	122	18	110	1.15	14	1945.4	135	26.8	844
	HJW.45.1700A														1.15	16	1950.8	118	30.5
11	HJW.45.1880	2100	1665	160	2030	1740	48	32	6	1883	1876	140	20	115	1.4	14	2189.8	152	27.8	1400
	HJW.45.1880A														1.15	18	2194.6	118	35.8
12	HJW.45.2115	2325	1900	160	2245	1980	48	32	6	2118	2112	140	20	115	1.4	16	2406.5	146	31.9	1600
	HJW.45.2115A														1.15	20	2418.4	117	40
13	HJW.45.2370	2600	2146	180	2520	2220	48	32	6	2373	2367	158	22	130	1.4	18	2707.3	146	40.7	2100
	HJW.45.2370A														1.15	22	2704.4	119	49.7
14	HJW.45.2600	2835	2365	180	2750	2450	54	36	6	2603	2597	158	22	130	1.4	18	2941.7	159	37.6	2400
	HJW.45.2600A														1.15	22	2946.9	130	45.9
15	HJW.50.2820	3085	2555	200	3000	2640	54	36	6	2823	2817	178	22	150	1.4	20	3188.4	155	52.2	3400
	HJW.50.2820A														1.15	25	3198.4	124	65.3
16	HJW.50.3120	3400	2840	200	3310	2930	54	36	6	3123	3117	178	22	150	1.4	22	3507.2	155	57.4	4000
	HJW.50.3120A														1.4	25	3509.6	136	65.3
17	HJW.50.3580	3920	3240	240	3820	3340	60	40	6	3583	3577	218	22	190	1.4	22	4036.1	179	72.7	6700
	HJW.50.3580A														1.4	25	4035.6	157	82.6
18	HJW.50.4030	4370	3690	240	4270	3790	66	40	6	4033	4027	218	22	190	1.4	22	4520.6	201	53.6	7700
	HJW.50.4030A														1.4	28	4522.4	157	68.2
19	HJW.50.4540	4860	4210	240	4760	4310	72	40	6	4543	4537	218	22	190	1.4	22	4983.1	222	72.1	8760
	HJW.50.4540A														1.4	30	4992.9	162	99.1

Single Row Crossed Roller Slewing Bearing (HJ) External Gear high quality slewing bearing Single row slewing ring Crossed roller slewing ring External gear slewing bearing External gear slewing ring roller slewing bearing HJ Series slewing bearing

High quality Xuzhou Wanda Slewing Bearing Single Row Crossed Roller Slewing ring Bearing (HJ series) External Gear

Slewing bearing

Slewing bearing

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