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YRT Series Rotary Table Bearing

Material:GCr15/ GCr15SiMn
Size:as per customer drawing and requirements
Precision:P2,P4
Processing:Lathing, milling,grinding,drilling
Heat treatment:Annealing, normalizing, quenching or tempering
Service:OEM ODM
Certification:ISO SGS
Packing:according to customers requests

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Description

Luoyang Yujie Industry&Trade Co., Ltd is one of the most experienced manufacturers and suppliers of yrt series rotary table bearing in China. Please feel free to buy cheap yrt series rotary table bearing for sale here from our factory. All customized products are with high quality and competitive price.

YRT Series Rotary Table Bearing

Prodcut description:

YRT bearings (rotary table bearings) are axial and radial combined cylindrical roller bearings, including two thrust needle roller bearings and a radial cylindrical roller bearing with the combination of axial and radial p reload, For the convenience of transportation and fixing, two or three symmetrical screws are fastened to the two rings in order to prevent rollers and rings generating collisions which influence bearing accuracy.

Application:

•Precision machine tools

•precision Turntable, CNC rotary table

•Rotation part of Machine tools

•Inspection instrument,Medical equipment

•Indexing plate of other precision machines etc

The models of YRT rotary table bearings:

bearing type	boundary dimensions								fixing holes
	boundary dimensions								fixing holes
	d	D	H	H1	C	D1	J	J1	inner ring				outer ring
	unit： mm								d1	d2	a	quantity	d3	quantity
	unit： mm								mm				mm
YRT50	50	126	30	20	10	105	63	116	5.6	—	—	10	5.6	12
YRT80	80	146	35	23.35	12	130	92	138	5.6	10	4	10	4.6	12
YRT100	100	185	38	25	12	160	112	170	5.6	10	5.4	16	5.6	15
YRT120	120	210	40	26	12	184	135	195	7	11	6.2	22	7	21
YRT150	150	240	40	26	12	214	165	225	7	11	6.2	34	7	33
YRT180	180	280	43	29	15	244	194	260	7	11	6.2	46	7	45
YRT200	200	300	45	30	15	274	215	285	7	11	6.2	46	7	45
YRT260	260	385	55	36.5	18	345	280	365	9.3	15	8.2	34	9.3	33
YRT325	325	450	60	40	20	415	342	430	9.3	15	8.2	34	9.3	33
YRT395	395	525	65	42.5	20	486	415	505	9.3	15	8.2	46	9.3	45
YRT460	460	600	70	46	22	560	482	580	9.3	15	8.2	46	9.3	45
YRT580	580	750	90	60	30	700	610	720	11.4	18	11	46	11.4	42
YRT650	650	870	122	78	34	800	680	830	14	20	13	46	14	42
YRT850	850	1095	124	80.5	37	1018	890	1055	18	26	17	58	18	54
YRT950	950	1200	132	86	40	1130	990	1160	18	26	17	58	18	54
YRT1030	1030	1300	145	92.5	40	1215	1075	1255	18	26	17	60	18	66

Number of retaining screws	Extraction thread hole		1)Number of pitches angle of pitches	Screw tightening torque	Basic load rating				Limiting speed	3)Bearing frictional torque	weight	bearing type
					axial		radial
					dynamic load	static load	dynamic load	static load
				MA2)	Ｃａ	Coa	Cr	Cor	grease
	G	quantity	×t quantity	Ｎｍ	KN				r/min	Nm	Kg
2	—	—	12×30°	8.5	38	158	28.5	49.5	440	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
2	M16	6	60×6°	284	1000	8650	455	1730	50	300	253	YRT850
2	M16	6	60×6°	284	1290	11400	530	2040	40	600	312	YRT950
12	M16	6	72×5°	284	1380	12000	620	2650	35	800	375	YRT1030

Design & Installation

Retaining screws secure the bearing components during transport. For installing the bearing easier, the screws should be loosened before fitting, and secured again or replaced by positioning screws after fitting.

The L-section ring can be fitted with unsupported or supported ring.

a) Without supported ring, the bearing type is YRT.

b) With supported ring, the bearing type is YRT… VSP。 And the whole surface of L-section should be supported.

Mounting forces must only be applied to the bearing ring to be fitted, never through the rolling elements.

Tighten the fixing screws in crosswise using a torque wrench (shown in figure 2).

Don’t separate or interchanged bearing components during fitting and dismantling.

Starting friction torque can be 3 to 3.5 times as high as the value of friction torque in the dimension tables.

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