XSU Series Cross Roller Slewing Bearings

The XSU catalogue groups more than one dimensional family. Match the complete XSU08 or XSU14 designation before comparing envelope, fixing holes or load data. The listed size range includes large slewing arrangements as well as more compact assemblies.

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Selecting XSU bearings

Complete family designation and envelope
Fixing-hole pitch circles, count and bolt specification
Raceway load and bolted-joint load under the same duty case

Compare XSA for an externally geared reference family or XSI for an internally geared family. Gearless XSU selection still requires an external drive arrangement. Compare the related series.

Individual model pages are being added. Use the series table or send the complete model number and drawing for review.

XSU series tables

Read all dimensions against the matching drawing. Blank values mean unspecified, not zero. Reference numbers do not establish full interchangeability.

型号 Bearing Type	基本尺寸 Basic Size ( mm )				安装尺寸 Mounting hole size ( mm )			基本额定载荷Basic load rating ( Kn )				净重weight		Drawing
	基本尺寸 Basic Size ( mm )				安装尺寸 Mounting hole size ( mm )			轴向载荷 Axial load		径向载荷 radial load		净重weight		—
	D	d	Di	da	La	Li	nB	Ca	Coa	Cr	Cor	Kg		—
XSU080168	205	130	174	159	190	145	12	66	240	42	119	3.3		Drawing
XSU080188	225	150	194	179	210	165	16	71	275	46	133	3.7		Drawing
XSU080218	255	180	224	208	240	195	20	77	315	49	154	4.3		Drawing
XSU080258	295	220	264	249	280	235	24	84	375	54	182	5.1		Drawing
XSU080318	355	280	324	309	340	295	28	93	465	59	223	6.3		Drawing
XSU080398	435	360	404	389	420	375	36	106	590	68	285	7.8		Drawing
型号 Bearing Type	安装尺寸 Mounting hole size ( mm )							旋转精度Rotation accuracy				游隙Internal clearance	净重weight	—
型号 Bearing Type	Da	d	La	nB	Li	Di	da	A	B	C	D	W	净重weight	—
XSU140414	484	344	460	24	368	415	413	0.04	0.04	0.06	0.06	0.01-0.03	28	Drawing
XSU140544	614	474	590	32	498	545	543	0.04	0.04	0.07	0.07	0.01-0.03	38	Drawing
XSU140644	714	574	690	36	598	645	643	0.05	0.05	0.08	0.08	0.01-0.04	44	Drawing
XSU140744	814	674	790	40	698	745	743	0.05	0.05	0.05	0.09	0.01-0.04	52	Drawing
XSU140844	914	774	890	40	798	845	843	0.06	0.06	0.06	0.09	0.01-0.04	60	Drawing
XSU140944	1014	874	990	44	898	945	943	0.11	0.11	0.11	0.11	0.01-0.05	67	Drawing
XSU 140744	814	674	790	40	698	745	743	0.05	0.05	0.09	0.09	0.01-0.04	52	Drawing
XSU 140844	914	774	890	40	798	845	843	0.06	0.06	0.09	0.09	0.01-0.04	60	Drawing
XSU 140944	1014	874	990	44	898	945	943	0.06	0.06	0.11	0.11	0.01-0.05	67	Drawing
XSU141094	1164	1024	1140	48	1048	1095	1093	0.07	0.07	0.11	0.11	0.01-0.05	77	Drawing

Reference illustrations

LYDL XSU ungeared cross roller slewing bearing cross-section with seals, mounting holes, datum symbols and example dimensions — XSU ungeared cross roller slewing bearing structure reference. Illustrated numerical dimensions are source examples; use the selected model drawing for installation. Select the image to view the full-size drawing.

Drawing and reference information

The existing table includes XSU141094 with a 1024 mm bore and 1164 mm outside diameter. Preload is a configuration to confirm, not a general promise of zero backlash for the whole assembly.

Technical reference: Schaeffler slewing ring catalogue 404. Brand names identify reference families only. Supplied LYDL dimensions, tolerances, load ratings and acceptance requirements are defined by the drawing and quotation agreed for the order.

Request a drawing or quote with the complete model, quantity, loads, speed, duty cycle and mounting requirements.