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YRT turntable bearing

YRTturntablebearings:YRTturntablebearingsareatypeofrotatingmechanismwithanouterringforrotationandaninnerringforsupport.Theyaremainlydividedintothreeseries:YRTtype,YRTStype,andYRTMtype.Thesethreeseriesofbearingshavethesameinstallationdimensions,buthav...

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Product Description

YRT turntable bearings:

YRT turntable bearings are a type of rotating mechanism with an outer ring for rotation and an inner ring for support. They are mainly divided into three series: YRT type, YRTS type, and YRTM type. These three series of bearings have the same installation dimensions, but have different internal structures and similar performance. The YRT series bearings are composed of three rows of rollers, with two rows of axial rollers providing stable axial bearing capacity and one row of radial roller bearings capable of withstanding radial forces and overturning moments, making them suitable for axial bearing rotary mechanisms. YRT turntable bearings are mainly used in the CNC machine tool manufacturing industry.

The YRT turntable bearing consists of a thrust/radial shaft ring, a thrust washer, two needle roller cage components, and a set of radial cylindrical rollers. The seat ring and shaft ring have evenly distributed installation screw holes. This type of bearing has high axial and radial load-bearing capacity. High tilt stiffness and high precision. Suitable for rotary workbenches, chucks and milling heads, as well as bearing configurations in measurement and experimentation. This type of bearing also has high requirements for the matching equipment parts. During installation, it is necessary to control the tightening torque of the installation screws.

Scope of application: Widely used in precision rotary tables, CNC turntables, vertical grinders, indexing heads, hobbing machines, milling machines, workpiece shafts and other precision devices.

YRT turntable bearing installation part

1. The requirements for the matching structure are shown in the figure on the right. During transportation, the fixing screws protect the bearing parts. In order to facilitate centering installation, the fixing screws can be loosened during installation. After installation, the fixing screws should be tightened again or replaced with positioning screws.

2. L-section rings can be installed with or without additional support rings

a) Without a support ring, bearing code YRT

b) The bearing code YRT... VSP is used to support the ring with an L-section ring, The entire surface of the L-section ring is supported.

3. Assembly force can only be transmitted through the installed bearing rings and must not be transmitted through the rolling elements.

公称型号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

联接螺钉数量Screw connection QTY	螺纹退卸孔Connect screws holes		节距¹⁾ Pitch¹⁾ t	螺钉拧紧力矩Tightening torque of screw	基本额定载荷 Basic rated load				转速⁵^）Limited spped⁵^）	轴承摩³^）擦力矩Friction moment³⁾	重量Weight	轴承代号Type
					轴向Axial		径向Radial
					动Dynamic	静Static	动Dynamic	静Static
				MA2）	Ca	Coa	Cr	Cor	脂润滑 Grease Lubrication
	G	数量 QTY	数量Xt QTY Xt	Nm	kN				r/min	Nm	≈Kg
2	—	—	12×30°	8.5	38	158	28.5	49.5	600	2.5	1.6	YRT50
2	—	—	12×30°	8.5	56	255	42.5	100	530	3	2.4	YRT80
2	M5	3	18×20°	8.5	76.5	415	47.5	120	430	3	4.1	YRT100
2	M8	3	24×15°	14	102	540	52	143	340	7	5.3	YRT120
2	M8	3	36×10°	14	112	630	56	170	320	10	6.2	YRT150
2	M8	3	48×7.5°	14	118	710	69.5	200	280	12	7.7	YRT180
2	M8	3	48×7.5°	14	120	765	81.5	220	260	14	9.7	YRT200
2	M12	3	36×10°	34	160	1060	93	290	200	20	18.3	YRT260
2	M12	3	36×10°	34	275	1930	120	345	170	40	25	YRT325
2	M12	3	48×7.5°	34	300	2280	186	655	140	55	33	YRT395
2	M12	3	48×7.5°	34	355	2800	200	765	120	70	45	YRT460
2	M12	6	48×7.5°	68	490	4250	228	965	80	140	89	YRT580
2	M12	6	48×7.5°	116	1040	8000	490	1800	65	200	170	YRT650
3	M16	6	60×6°	284	1000	8650	455	1730	50	300	253	YRT850
3	M16	6	60×6°	284	1290	11400	530	2040	40	600	312	YRT950
6	M16	6	72×5°	284	1380	12000	620	2650	35	800	375	YRT1030
6	M16	6	72×5°	284	1435	12850	745	2800	25	1000	450	YRT1200

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