Cross Roller Slewing Bearings

Cross roller slewing bearings are arranged at 90° to each other at intervals between the inner and outer rings. They can simultaneously bear loads from all directions (such as axial, radial, overturning moment, etc.).

Because the rollers are in line contact with the track surface. The elastic deformation of the bearing under heavy load is correspondingly tiny, and the rigidity is high. At the same time, it has mounting holes and sealing accessories or is equipping with teeth. On the inner or outer ring to simplify the installation structure.

Crossed roller slewing bearing is also called crossed cylindrical roller slewing bearing. The single-row crossed cylindrical roller slewing bearing consists of two rings.

It has a compact structure, is lightweight, has high manufacturing precision, small assembly clearance, and requirements for installation accuracy. High. The rollers are arranging in a 1:1 cross, which can simultaneously bear axial force, overturning moment, and large radial force.

They are widely working in lifting and transportation, construction machinery, and military products. This bearing pre-interference has high rotation accuracy, supporting rigidity, and the ability to withstand high dynamic loads.

Cross Roller Slewing Bearings parameters

(1) Model parameters of external gear crossed roller slewing bearings

Model	Dimensions							Installation size						Tooth parameters				Load	Weight
	De	de	di	Di	He	Hi	Ht	Fe	Ne	he	Fi	Ni	hi	m	Z	x·m	Dp
	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[-]		[mm]	[-]		[mm]	[-]	[mm]	[mm]	[kN]	[kg]
1X14-E-0414	503.3	417	413	342	44.5	44.5	56	455	20	M12	368	24	14	5	99	–	495	30.26	32
1X14-E-0544	640.3	547	543	472	44.5	44.5	56	585	28	M12	498	32	14	6	105	–	630	36.31	43
1X14-E-0644	742.3	647	643	572	44.5	44.5	56	685	32	M12	598	36	14	6	122	–	732	36.31	52
1X14-E-0744	838.1	747	743	672	44.5	44.5	56	785	36	M12	698	40	14	6	138	–	828	36.31	58
1X14-E-0844	950.1	847	843	772	44.5	44.5	56	885	36	M12	798	40	14	8	117	–	936	48.42	71
1X14-E-0944	1046.1	947	943	872	44.5	44.5	56	985	40	M12	898	44	14	8	129	–	1032	48.42	77
1X14-E-1044	1198.1	1097	1093	1022	44.5	44.5	56	1135	44	M12	1048	48	14	8	148	–	1184	48.42	90
1X16-E-1204	1338	1206	1202	1119	58	58	68	1257	45	16	1151	45	16	10	131	–	1310	92.8	154
1X16-E-1314	1448	1316	1312	1229	58	58	68	1367	50	16	1261	50	16	10	142	–	1420	92.8	168
1X16-E-1424	1558	1426	1422	1339	58	58	68	1477	54	16	1371	54	16	10	153	–	1530	92.8	182
1X16-E-1534	1668	1536	1532	1449	58	58	68	1587	60	16	1481	60	16	10	164	–	1640	92.8	195
1X16-E-1644	1791	1646	1642	1536	58	58	68	1708	54	22	1580	54	22	10	176	–	1760	92.8	242
1X16-E-1754	1901	1756	1752	1646	58	58	68	1818	60	22	1690	60	22	10	187	–	1870	92.8	258
1X20-E-1904	2073.4	1906	1902	1796	58	58	68	1968	64	22	1840	64	22	14	145	–	2030	129.92	306
1X20-E-0307	403.5	308	306	234	47	45	55	358	24	13	259	28-1	13	4.5	88	–	396	15.12	24
1X25-E-0400	535	401.5	398.5	305	63	63	75	466	18	20	336	18	20	8	65	–	520	35.2	61
1X25-E-0475	589	476.5	473.5	383	63	63	75	540	18	20	410	18	20	5	116	–	580	22	63
1X30-E-0508	654	509.5	506.5	391	73	73	85	582	30	22	432	30-1	22	8	80	–	640	38.44	97
1X25-E-0574	700	575.5	572.5	479	64	64	77	640	36	18	508	36-1	18	6	114	3	690	34.78	82
1X25-E-0675	816	676.5	673.5	573	73	70	90	753	18	22	604	18	22	6	132	6.552	805.1	37.68	124
1X25-E-0734	886	735.5	732.5	614	75	70	85	810	30	22	658	30	22	8	108	4	872	57.97	155
1X30-E-0823	979	824.5	821.5	717	79	82	100	893	36	22	753	36-1	22	10	94	11	962	62.8	178
1X30-E-0980	1144	981.5	978.5	869	79	84	100	1050	36	22	910	36	22	10	111	8	1126	64.73	228
1X36-E-1116	1289.5	1118	1114	984	90	94	114	1198	40	22	1035	40	22	10	125	10.5	1271	75.4	335
1X36-E-1250	1476	1252	1248	1079	91	100	110	1350	40	26	1150	40	26	10	144	8.6	1457.2	75.4	505
1X45-E-1390	1604	1392	1388	1204	112	116	130	1500	48	30	1280	48	30	10	157	7.5	1585	87	620
1X45-E-1595	1836	1597	1593	1436	120	115	135	1700	45	30	1485	45	30	16	112	8	1808	185.5	791
1X45-E-1790	2027	1792	1788	1616	130	128	150	1905	48	30	1675	48	30	14	142	7	2002	175.8	1004
1X50-E-2002	2267	2004	2000	1821	129	119	140	2124	72	30	1880	72	30	16	139	8	2240	199.4	1174
1X50-E-2242	2534	2244	2240	2048	132	122	144	2373	60	33	2112	60	33	18	138	9	2502	229.6	1482
1X50-E-2500	2790	2502	2498	2296	148	142	164	2640	72	33	2360	72	33	18	151	19.8	2757.6	257.4	1895
1X50-E-2810	3116	2812	2808	2606	148	142	164	2950	80	33	2670	80	33	20	152	20	3080	286	2200

(2) Internal gear type cross roller slewing bearing model parameters

(3) Model parameters of gearless cross roller slewing bearings

Model	Dimensions							Installation size						Weight
	De	de	di	Di	He	Hi	Ht	Fe	Ne	he	Fi	Ni	hi
	[mm]	[mm]	[mm]	[-]	[mm]	[mm]	[mm]	[mm]	[-]		[mm]	[-]		[kg]
1X16-U-0220	300	221	219	140	44	44	52	270	12	18	170	12	18	16
1X16-U-0270	350	271	269	190	44	44	52	320	16	18	220	16	18	20
1X20-U-0307	403.5	308	306	234	47	45	55	358	24	13	259	28	13	26
1X20-U-0340	440	341.5	338.5	240	53	53	60	400	18	22	280	18	22	37
1X14-U-0414	486	415	413	342	44.5	44.5	56	460	24	14	368	24	14	28
1X14-U-0544	616	545	543	472	44.5	44.5	56	590	32	14	498	32	14	38
1X14-U-0644	716	645	643	572	44.5	44.5	56	690	36	14	598	36	14	44
1X14-U-0744	816	745	743	672	44.5	44.5	56	790	40	14	698	40	14	52
1X14-U-0844	916	845	843	772	44.5	44.5	56	890	40	14	798	40	14	60
1X14-U-0944	1016	945	943	872	44.5	44.5	56	990	44	14	898	44	14	67
1X14-U-1094	1166	1095	1093	1022	44.5	44.5	56	1140	48	14	1048	48	14	77
1X16-U-1204	1289	1206	1202	1119	58	58	68	1257	45	16	1151	45	16	124
1X16-U-1314	1399	1316	1312	1229	58	58	68	1367	50	16	1261	50	16	135
1X16-U-1424	1509	1426	1422	1339	58	58	68	1477	54	16	1371	54	16	146
1X16-U-1534	1619	1536	1532	1449	58	58	68	1587	60	16	1481	60	16	158
1X16-U-1644	1752	1646	1642	1536	58	58	68	1708	54	22	1580	54	22	214
1X16-U-1754	1862	1756	1752	1646	58	58	68	1818	60	22	1690	60	22	228
1X16-U-1904	2012	1906	1902	1796	58	58	68	1968	64	22	1840	64	22	248

Types

Standard Crossed Roller Bearing(Cross Roller Slewing Bearings )

CRB/CRBC: CRB/CRBC standard type is a bearing with the thinnest possible inner and outer rings because the outer ring is split while the internal circle is integrated into the main body. It is used in cases where high rotational accuracy of the inner ring is required.

RU series Crossed Roller Bearing.

RU series: RU particular type is a bearing with an integrated inner- and outer ring. It is used in cases where high rotational accuracy of both the inner- and outer rings is required.

XU Series Crossed Roller Bearing

XU Series: XU particular type is a bearing with an integrated inner and outer ring. It is used in cases where high rotational accuracy of both the inner and outer rings is required.

SX series Crossed Roller Bearing.

SX series: standard type is a bearing similar to an RB standard. A locking ring connects the two detachable outer rings.

NRXT series Crossed Roller Bearing

NRXT: NRXT series is a bearing with the thinnest possible inner and outer rings because the outer ring is split while the inner ring is integrated into the main body. It is used in cases where high rotational accuracy of the inner circle is required.