Double-row Ball Slewing Bearing | High-Precision and Heavy-Duty-LYNBC

Double-row Ball Slewing Bearing (Without Gear)

Designation	Boundary Dimension			Mounting Hole Size				Structure Size					Basic load ratings	Mass (kg)
	D	d	H	D₁	D₂	Φ	n	n₁	d₁	D₃	H₁	h	Coa(10KN)
	mm			mm			n	n₁	mm				Coa(10KN)
020.25.500	616	384	106	580	420	18	20	4	477	482	96	26	121	121
020.25.560	676	444	106	640	480	18	20	4	537	543	96	26	134	136
020.25.630	746	514	106	710	550	18	24	4	607	613	96	26	153	152
020.25.710	826	594	106	790	630	18	24	4	687	692	96	26	173	172
020.30.800	942	658	124	898	702	22	30	6	771	777	114	29	230	284
020.30.900	1042	758	124	998	802	22	30	6	871	877	114	29	258	316
020.30.1000	1142	858	124	1098	902	22	36	6	971	977	114	29	286	349
020.30.1120	1262	978	124	1218	1022	22	36	6	1091	1097	114	29	321	394
020.40.1250	1426	1074	160	1374	1126	26	40	5	1214	1215	150	39	482	709
020.40.1400	1576	1224	160	1524	1272	26	40	5	1364	1365	150	39	543	787
020.40.1600	1776	1424	160	1724	1476	26	45	5	1564	1565	150	39	620	899
020.40.1800	1976	1624	160	1924	1676	26	45	5	1764	1765	150	39	692	1018
020.50.2000	2215	1758	190	2149	1851	33	48	8	1962	1965	178	47	987	1586
020.50.2240	2455	2025	190	2389	2091	33	48	8	2202	2206	178	47	1110	1789
020.50.2500	2715	2285	190	2649	2351	33	56	8	2462	2465	178	47	1110	1990
020.50.2800	3015	2585	190	2949	2651	33	56	8	2762	2765	178	47	1390	2243
020.60.3150	3428	2872	226	3338	2962	45	56	8	3102	3104	214	56	1870	3762
020.60.3550	3828	3272	226	3738	3362	45	56	8	3502	3504	214	56	2110	4272
020.60.4000	4278	3722	226	4188	3812	45	60	10	3952	3954	214	56	2370	4828
020.60.4500	4778	4222	226	4688	4312	45	60	10	4452	4454	214	56	2670	5465

Double-row Ball Slewing Bearing (Internal Gear)

Designation	Boundary Dimension			Mounting Hole Size				Structure Size					Gear Data					Tangential Tooth Load		Basic load ratings	Mass (kg)
	D	d	H	D₁	D₂	Φ	n	n₁	d₁	D₃	H₁	h	B	m	De	z	x	Z	T	Coa(10KN)
	mm			mm			n	mm					mm			z	x	Z	T	Coa(10KN)
021.25.500	616	384	106	580	420	18	20	4	518	523	96	26	60	5	644	126	+0.5	37	52	121	130
022.25.500	616	384	106	580	420	18	20	4	518	523	96	26	60	6	646.8	105	+0.5	45	62	121	130
021.25.560	676	444	106	640	480	18	20	4	578	583	96	26	60	5	704	138	+0.5	37	52	134	146
022.25.560	676	444	106	640	480	18	20	4	578	583	96	26	60	6	706.8	115	+0.5	45	62	134	147
021.25.630	746	514	106	710	550	18	24	4	648	653	96	26	60	6	790.8	129	+0.5	45	62	153	173
022.25.630	746	514	106	710	550	18	24	4	648	653	96	26	60	8	790.4	96	+0.5	60	83	153	170
021.25.710	826	594	106	790	630	18	24	4	728	733	96	26	60	6	962.8	141	+0.5	45	62	173	190
022.25.710	826	594	106	790	630	18	24	4	728	733	96	26	60	8	862.4	105	+0.5	60	83	173	187
021.30.800	942	658	124	898	702	22	30	6	823	829	114	29	80	8	982.4	120	+0.5	80	111	230	305
022.30.800	942	658	124	898	702	22	30	6	823	829	114	29	80	10	988	96	+0.5	100	140	230	307
021.30.900	1042	758	124	998	802	22	30	6	923	929	114	29	80	8	1086.4	133	+0.5	80	111	258	349
022.30.900	1042	758	124	998	802	22	30	6	923	929	114	29	80	10	1088	106	+0.5	100	141	258	348
021.30.1000	1142	858	124	1098	902	22	36	6	1023	1029	114	29	80	10	1198	117	+0.5	100	141	286	396
022.30.1000	1142	858	124	1098	902	22	36	6	1023	1029	114	29	80	12	1197.6	97	+0.5	120	167	286	391
021.30.1120	1262	978	124	1218	1022	22	36	6	1143	1148	114	29	80	10	1318	129	+0.5	100	140	321	445
022.30.1120	1262	978	124	1218	1022	22	36	6	1143	1148	114	29	80	12	1317.6	107	+0.5	120	167	321	439
021.40.1250	1426	1074	160	1374	1126	26	40	5	1282	1286	150	39	90	12	1497.6	122	+0.5	135	188	482	784
022.40.1250	1426	1074	160	1374	1126	26	40	5	1282	1286	150	39	90	14	1495.2	104	+0.5	158	219	482	774
021.40.1400	1576	1224	160	1524	1272	26	40	5	1432	1436	150	39	90	12	1641.6	134	+0.5	135	188	543	870
022.40.1400	1576	1224	160	1524	1272	26	40	5	1432	1436	150	39	90	14	1649.2	115	+0.5	158	219	543	878
021.40.1600	1776	1424	160	1724	1476	26	45	5	1635	1636	150	39	90	14	1845.2	129	+0.5	158	219	620	995
022.40.1600	1776	1424	160	1724	1476	26	45	5	1635	1636	150	39	90	16	1852.8	113	+0.5	181	250	620	1003
021.40.1800	1976	1624	160	1924	1676	26	45	5	1835	1836	150	39	90	14	2055.2	144	+0.5	158	219	692	1147
022.40.1800	1976	1624	160	1924	1676	26	45	5	1835	1836	150	39	90	16	2060.8	126	+0.5	181	250	692	1151
021.50.2000	2215	1758	190	2149	1851	33	48	8	2035	2038	178	47	120	16	2300.8	141	+0.5	241	333	987	1794
022.50.2000	2215	1758	190	2149	1851	33	48	8	2035	2038	178	47	120	18	2300.4	125	+0.5	271	375	987	1780
021.50.2240	2455	2025	190	2389	2091	33	48	8	2275	2278	178	47	120	16	2540.8	156	+0.5	241	333	1110	2017
022.50.2240	2455	2025	190	2389	2091	33	48	8	2275	2278	178	47	120	18	2552.4	139	+0.5	271	375	1110	2048
021.50.2500	2715	2285	190	2649	2351	33	56	8	2532	2538	178	47	120	18	2804.4	153	+0.5	271	375	1110	2246
022.50.2500	2715	2285	190	2649	2351	33	56	8	2532	2538	178	47	120	20	2816	138	+0.5	301	418	1110	2280
021.50.2800	3015	2585	190	2949	2651	33	56	8	2832	2838	178	47	120	18	3110.4	170	+0.5	271	375	1390	2553
022.50.2800	3015	2585	190	2949	2651	33	56	8	2832	2838	178	47	120	20	3116	153	+0.5	301	418	1390	2563
021.60.3150	3428	2872	226	3338	2962	45	56	8	3196	3198	214	56	150	20	3536	174	+0.5	377	522	1870	4428
022.60.3150	3428	2872	226	3338	2962	45	56	8	3196	3198	214	56	150	22	3537.6	158	+0.5	415	574	1870	4414
021.60.3550	3828	3272	226	3738	3362	45	56	8	3596	3598	214	56	150	20	3936	194	+0.5	377	522	2110	5012
022.60.3550	3828	3272	226	3738	3362	45	56	8	3596	3598	214	56	150	22	3933.6	176	+0.5	415	574	2110	4967
021.60.4000	4278	3722	226	4188	3812	45	60	10	4046	4048	214	56	150	22	4395.6	197	+0.5	415	574	2370	5706
022.60.4000	4278	3722	226	4188	3812	45	60	10	4046	4048	214	56	150	25	4395	173	+0.5	471	652	2370	5656
021.60.4500	4778	4222	226	4688	4312	45	60	10	4546	4548	214	56	150	22	4897.6	219	+0.5	415	574	2670	6293
022.60.4500	4778	4222	226	4688	4312	45	60	10	4546	4548	214	56	150	25	4895	193	+0.5	471	652	2670	6385

Double-row Ball Slewing Bearing (External Gear)

Designation	Boundary Dimension			Mounting Hole Size				Structure Size					Gear Data					Tangential Tooth Load		Basic load ratings	Mass (kg)
	D	d	H	D₁	D₂	Φ	n	n₁	d₁	D₃	H₁	h	B	m	De	z	x	Z	T	Coa(10KN)
	mm			mm			n	mm					mm			z	x	Z	T	Coa(10KN)
021.25.500	616	384	106	580	420	18	20	4	518	523	96	26	60	5	644	126	+0.5	37	52	121	130
022.25.500	616	384	106	580	420	18	20	4	518	523	96	26	60	6	646.8	105	+0.5	45	62	121	130
021.25.560	676	444	106	640	480	18	20	4	578	583	96	26	60	5	704	138	+0.5	37	52	134	146
022.25.560	676	444	106	640	480	18	20	4	578	583	96	26	60	6	706.8	115	+0.5	45	62	134	147
021.25.630	746	514	106	710	550	18	24	4	648	653	96	26	60	6	790.8	129	+0.5	45	62	153	173
022.25.630	746	514	106	710	550	18	24	4	648	653	96	26	60	8	790.4	96	+0.5	60	83	153	170
021.25.710	826	594	106	790	630	18	24	4	728	733	96	26	60	6	962.8	141	+0.5	45	62	173	190
022.25.710	826	594	106	790	630	18	24	4	728	733	96	26	60	8	862.4	105	+0.5	60	83	173	187
021.30.800	942	658	124	898	702	22	30	6	823	829	114	29	80	8	982.4	120	+0.5	80	111	230	305
022.30.800	942	658	124	898	702	22	30	6	823	829	114	29	80	10	988	96	+0.5	100	140	230	307
021.30.900	1042	758	124	998	802	22	30	6	923	929	114	29	80	8	1086.4	133	+0.5	80	111	258	349
022.30.900	1042	758	124	998	802	22	30	6	923	929	114	29	80	10	1088	106	+0.5	100	141	258	348
021.30.1000	1142	858	124	1098	902	22	36	6	1023	1029	114	29	80	10	1198	117	+0.5	100	141	286	396
022.30.1000	1142	858	124	1098	902	22	36	6	1023	1029	114	29	80	12	1197.6	97	+0.5	120	167	286	391
021.30.1120	1262	978	124	1218	1022	22	36	6	1143	1148	114	29	80	10	1318	129	+0.5	100	140	321	445
022.30.1120	1262	978	124	1218	1022	22	36	6	1143	1148	114	29	80	12	1317.6	107	+0.5	120	167	321	439
021.40.1250	1426	1074	160	1374	1126	26	40	5	1282	1286	150	39	90	12	1497.6	122	+0.5	135	188	482	784
022.40.1250	1426	1074	160	1374	1126	26	40	5	1282	1286	150	39	90	14	1495.2	104	+0.5	158	219	482	774
021.40.1400	1576	1224	160	1524	1272	26	40	5	1432	1436	150	39	90	12	1641.6	134	+0.5	135	188	543	870
022.40.1400	1576	1224	160	1524	1272	26	40	5	1432	1436	150	39	90	14	1649.2	115	+0.5	158	219	543	878
021.40.1600	1776	1424	160	1724	1476	26	45	5	1635	1636	150	39	90	14	1845.2	129	+0.5	158	219	620	995
022.40.1600	1776	1424	160	1724	1476	26	45	5	1635	1636	150	39	90	16	1852.8	113	+0.5	181	250	620	1003
021.40.1800	1976	1624	160	1924	1676	26	45	5	1835	1836	150	39	90	14	2055.2	144	+0.5	158	219	692	1147
022.40.1800	1976	1624	160	1924	1676	26	45	5	1835	1836	150	39	90	16	2060.8	126	+0.5	181	250	692	1151
021.50.2000	2215	1758	190	2149	1851	33	48	8	2035	2038	178	47	120	16	2300.8	141	+0.5	241	333	987	1794
022.50.2000	2215	1758	190	2149	1851	33	48	8	2035	2038	178	47	120	18	2300.4	125	+0.5	271	375	987	1780
021.50.2240	2455	2025	190	2389	2091	33	48	8	2275	2278	178	47	120	16	2540.8	156	+0.5	241	333	1110	2017
022.50.2240	2455	2025	190	2389	2091	33	48	8	2275	2278	178	47	120	18	2552.4	139	+0.5	271	375	1110	2048
021.50.2500	2715	2285	190	2649	2351	33	56	8	2532	2538	178	47	120	18	2804.4	153	+0.5	271	375	1110	2246
022.50.2500	2715	2285	190	2649	2351	33	56	8	2532	2538	178	47	120	20	2816	138	+0.5	301	418	1110	2280
021.50.2800	3015	2585	190	2949	2651	33	56	8	2832	2838	178	47	120	18	3110.4	170	+0.5	271	375	1390	2553
022.50.2800	3015	2585	190	2949	2651	33	56	8	2832	2838	178	47	120	20	3116	153	+0.5	301	418	1390	2563
021.60.3150	3428	2872	226	3338	2962	45	56	8	3196	3198	214	56	150	20	3536	174	+0.5	377	522	1870	4428
022.60.3150	3428	2872	226	3338	2962	45	56	8	3196	3198	214	56	150	22	3537.6	158	+0.5	415	574	1870	4414
021.60.3550	3828	3272	226	3738	3362	45	56	8	3596	3598	214	56	150	20	3936	194	+0.5	377	522	2110	5012
022.60.3550	3828	3272	226	3738	3362	45	56	8	3596	3598	214	56	150	22	3933.6	176	+0.5	415	574	2110	4967
021.60.4000	4278	3722	226	4188	3812	45	60	10	4046	4048	214	56	150	22	4395.6	197	+0.5	415	574	2370	5706
022.60.4000	4278	3722	226	4188	3812	45	60	10	4046	4048	214	56	150	25	4395	173	+0.5	471	652	2370	5656
021.60.4500	4778	4222	226	4688	4312	45	60	10	4546	4548	214	56	150	22	4897.6	219	+0.5	415	574	2670	6293
022.60.4500	4778	4222	226	4688	4312	45	60	10	4546	4548	214	56	150	25	4895	193	+0.5	471	652	2670	6385

A double-row ball slewing bearing is a specialized type of slewing bearing designed to handle axial, radial, and tilting moment loads with high efficiency. It consists of two rows of rolling elements (balls), which enhance load-bearing capacity and stability.

Double-Row Ball Slewing Bearing Features

High Load Capacity – The double-row design distributes loads more evenly, allowing for heavier axial and radial loads.

Compact Structure – Despite the increased load-bearing ability, these bearings maintain a relatively compact design.

Smooth Rotation – The use of precision-engineered raceways ensures smooth and stable movement.

Versatile Applications – Suitable for applications requiring large-diameter rotational movement with high accuracy.

Customizable Design – Available in different configurations such as internal gear, external gear, or gearless designs.

Applications

Cranes & Excavators – Used in heavy-duty construction machinery for stable rotation.

Wind Turbines – Enables smooth yawing and blade rotation.

Industrial Turntables – Supports large rotary tables in manufacturing.

Radar & Satellite Systems – Ensures precise tracking and movement.

Robotics & Automation – Facilitates controlled rotational movements in robotic arms.

Key Considerations When Selecting a Double-Row Ball Combination Slewing Bearing

Load Requirements: Accurately determine the maximum axial, radial, and moment loads the bearing will experience.

Operating Speed: The operating speed will affect the type of lubrication needed.

Operating Environment: Consider the temperature, humidity, and presence of contaminants.

Required Accuracy: The required positioning accuracy will influence the bearing's internal clearance.

Mounting Requirements: Ensure the bearing can be properly mounted and aligned.

Gear Requirements: Decide if gear teeth are needed and, if so, specify the gear type, module, and number of teeth.

Lubrication: Select the appropriate lubricant and lubrication method.