Single Row Four Point Contact Ball Slewing Bearing with External Gear for Ladle Turret (Q)

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Product Description

A slewing bearing or slew[ing] ring is a rotationalrolling-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.

NO.	Model	Dimensions (mm)			Mounting Dimensions (mm)						Structural Dimension (mm)		Gear data
		External gear		H	Du	Dn	n	Through hole A	Threaded hole B/C/D		n1 Oil cup qty	h	B	m	x=-0.5
															De	Gear Qty z	Weight
		D	d					φ	d1	T
		mm						mm				mm		mm			kg
1	QW.315.20	406	222	60	370	260	10	17	M16	24	2	10	40	3	423	140	35
	QW.315.20A													4	428	106	36
2	QW.355.20	446	262	60	410	300	10	17	M16	24	2	10	40	3	462	153	40
	QW.355.20A													4	468	116	41
3	QW.400.20	490	307	60	455	345	12	17	M16	24	2	10	40	4	512	127	45
	QW.400.20A													5	520	103	47
4	QW.450.20	540	357	60	505	395	12	17	M16	24	2	10	40	4	564	140	51
	QW.450.20A													5	570	113	53
5	QW.500.20	590	407	60	555	445	14	17	M16	24	2	10	40	5	615	122	56
	QW.500.20A													6	624	103	58
6	QW.560.20	654	464	70	618	502	14	17	M16	30	2	10	50	4	680	169	78
	QW.560.20A													5	685	136	79
7	QW.630.20	724	534	70	688	572	16	17	M16	30	2	10	50	4	748	186	86
	QW.630.20A													5	755	150	88
8	QW.710.20	804	614	70	768	652	18	17	M16	30	2	10	50	5	835	166	99
	QW.710.20A													6	840	139	101
9	QW.800.20	894	704	70	858	742	20	17	M16	30	2	10	50	6	930	154	114
	QW.800.20A													8	936	116	114
10	QW.800.25	904	692	78	864	736	18	22	M20	36	2	10	58	6	942	156	143
	QW.800.25A													8	952	118	147
11	QW.900.25	1004	792	78	964	836	20	22	M20	36	2	10	58	8	1048	130	162
	QW.900.25A													10	1060	105	168
12	QW.1000.25	1104	892	78	1064	936	24	22	M20	36	2	10	58	8	1152	143	182
	QW.1000.25A													10	1160	115	185
13	QW.1000.32	1120	876	90	1074	926	24	24	M22	40	2	10	70	8	1160	144	227
	QW.1000.32A													10	1170	116	232
14	QW.1120.32	1240	996	90	1194	1046	28	24	M22	40	4	10	70	10	1300	129	272
	QW.1120.32A													12	1308	108	275
15	QW.1250.32	1370	1126	90	1324	1176	32	24	M22	40	4	10	70	10	1430	142	302
	QW.1250.32A													12	1440	119	309
16	QW.1400.32	1520	1276	90	1474	1326	36	24	M22	40	4	10	70	12	1584	131	337
	QW.1400.32A													14	1596	113	347
17	QW.1250.40	1390	1108	102	1336	1164	32	26	M24	45	4	12	80	10	1450	144	396
	QW.1250.40A													12	1452	120	392
18	QW.1400.40	1540	1258	102	1486	1314	36	26	M24	45	4	12	80	12	1608	133	448
	QW.1400.40A													14	1610	114	443
19	QW.1600.40	1740	1458	102	1686	1514	40	26	M24	45	4	12	80	12	1812	150	528
	QW.1600.40A													14	1820	129	534
20	QW.1800.40	1940	1658	102	1886	1714	44	26	M24	45	4	12	80	14	2016	143	583
	QW.1800.40A													16	2032	126	607
21	QW.1600.50	1762	1434	124	1704	1496	40	30	M27	50	4	12	100	12	1824	151	714
	QW.1600.50A													14	1834	130	727
22	QW.1800.50	1964	1634	124	1904	1696	44	30	M27	50	4	12	100	14	2044	145	845
	QW.1800.50A													16	2048	127	843
23	QW.2000.50	2162	1834	124	2104	1896	48	30	M27	50	6	12	100	16	2240	139	912
	QW.2000.50A													18	2250	124	927
24	QW.2240.50	2402	2074	124	2344	2136	54	30	M27	50	6	12	100	16	2480	154	1020
	QW.2240.50A													18	2502	138	1078
25	QW.2500.50	2662	2334	124	2604	2396	60	30	M27	50	6	12	100	18	2754	152	1171
	QW.2500.50A													20	2760	137	1175
26	QW.2500.60	2696	2304	150	2626	2374	60	33	M30	56	6	14	122	18	2790	154	1677
	QW.2500.60A													20	2800	139	1701

Note:

1. N1 is the numbers of lubricating holes. Oil cup M10×1JB/T7940.1~JB/T7940.

2. The Oil nipple's location can be change according to the user's application.

3. n-φ can change to tapped hole, the diameter of tapped hole is M, and depth is 2M.

4. The tangential tooth force in the form is the max tooth force; the nominal tangential tooth force is 1/2 of the max one.

5. "K" is addendum reduction coefficient.

Our advantages:

Germany technology and made-in-China with good quality and competitive price;
Rich experience in OEM and ODM;
stable and fast delivery;
prompt and responsible after-sales service;
Certified by ISO9001:2008, SGS, CCS and BV.

Packaging&shipping

1.Filling with rust-proof oil
2.packing with protective layers
3.Fixed in the plywood

4.Packaging terms:Plywood case/ Pallet/Steel frame

FAQ

1.Slewing Bearing Heat Treatment

XZWD company bearings are in the majority of cases supplied with spur tooth. Stub teeth also is ok.There are two kinds of tooth hardening. They are normalizing and tempering, According to the different applications, there are two ways of quenching. They're whole tooth quenching and single-tooth quenching. Single-tooth quenching can be divided into tooth surface & root quenching and tooth surface quenching.

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2. Protection Against Corrosion

We make Protection Against Corrosion on surface of bearing,and make couple of packing paper.

3.Customize.

Yes,we have professional technical terms.

4.Warranty:
General 1 year.

5. Reliable reputation.

XZWD Slewing bearing/Slewing drive delivers custom-engineered solutions to customers in 34 countries.

Ball slewing bearing slewing bearing with external gear Slewing Bearing for Ladle Turret External gear slewing bearing geared slewing bearing geared slewing bearing for Ladle Turret External geared slewing bearing ladle turret slewing bearing slewing bearing with gear Four point contact slewing bearing

Single Row Four Point Contact Ball Slewing Bearing with External Gear for Ladle Turret (Q)

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