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Hollow rotating platform bearings for robots

Theturntableofthehollowrotatingplatformissupportedbyasetofprecisioncrossrollerbearings.Therollersinthebearingsarearrangedina90degreestaggeredmanner,andtherollerdiameterisslightlylargerthantheracewaysizebetweentheinnerandouterringsofthebearing.Thiscre...

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Product Description

The turntable of the hollow rotating platform is supported by a set of precision cross roller bearings. The rollers in the bearings are arranged in a 90 degree staggered manner, and the roller diameter is slightly larger than the raceway size between the inner and outer rings of the bearing. This creates a preload force between the inner and outer rings of the cross roller bearings and the rollers. As a result, the servo rotating platform turntable supported by the bearings can withstand various moments such as radial, axial, and overturning, and its rigidity is more than 10 times that of traditional bearings.

称型号Bearing Type	外形尺寸 Dimension									固定孔The fixing holes
	d	D	H	H1	H2	C	d1	dn	dm	内圈 Inner ring				外圈Outer ring
	单位：mm Unit：mm									do	ds	Ts	数量4） QTY4)	dL	数量4）QTY4)
	单位：mm Unit：mm									mm			数量4） QTY4)	mm	数量4）QTY4)
YRT50	50	126	30	20	10	10	105	63	116	5.6	9	4.2	10	5.6	12
YRT80	80	146	35	23.35	11.65	12	130	92	138	5.6	10	4.2	10	4.6	12
YRT100	100	185	38	25	13	12	160	112	170	5.6	10	5.4	16	5.6	15
YRT120	120	210	40	26	14	12	184	135	195	7	11	6.2	22	7	21
YRT150	150	240	40	26	14	12	214	165	225	7	11	6.2	34	7	33
YRT180	180	280	43	29	14	15	244	194	260	7	11	6.2	46	7	45
YRT200	200	300	45	30	15	15	274	215	285	7	11	6.2	46	7	45
YRT260	260	385	55	36.5	18.5	18	345	280	365	9.3	15	8.2	34	9.3	33
YRT325	325	450	60	40	20	20	415	342	430	9.3	15	8.2	34	9.3	33
YRT395	395	525	65	42.5	22.5	20	486	415	505	9.3	15	8.2	46	9.3	45
YRT460	460	600	70	46	24	22	560	482	580	10	15	8.2	46	10	45
YRT580	580	750	90	60	30	30	700	610	720	11.4	18	11	46	11.4	42
YRT650	650	870	122	78	44	34	800	680	830	14	20	13	45	14	42
YRT850	850	1095	124	80.5	43.5	37	1018	690	1055	18.5	26	17	57	18.5	54
YRT950	950	1200	132	86	46	40	1130	990	1160	18.5	26	17	57	18.5	54
YRT1030	1030	1300	145	92.5	52.5	40	1215	1075	1255	18.5	26	17	66	18.5	66
YRT1200	1200	1490	164	108	56	52	1410	1240	1445	18.5	26	17	66	18.5	66

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