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ZARN ball screw support special bearings

With the development of machine tools and equipment, high-precision, high-efficiency become important technical characteristics of the machinery industry, ball screw support bearing moving away from the traditional structure of matched angular contact…

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Product Description

With the development of machine tools and equipment, high-precision, high-efficiency become important technical characteristics of the machinery industry, ball screw support bearing moving away from the traditional structure of matched angular contact ball mode, switching to needle roller/cylindrical roller thrust bearing structure.
Product features
Needle/ thrust cylindrical roller bearing used outer ring thickened of needle roller bearings and two columns thrust cylindrical roller bearing of combination structure, can bear more heavy radial/axis load, has more higher radial/axial rigidity, while this series bearing axial runout accuracy can reached 1 μm, special meet current mechanical processing industry by requirements of high precision, high host and efficient features.

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Shaft diameter	Model	Massg	Model	Massg	Measure															Basic load rating				limiting speed		Tightening torque Nm	Friction torque Nm	Measure							Basic load rating				limiting speed		Tightening torque Nm	Friction torque Nm
					d	D	H	H1	H2	H3	C	D1	D2	D3	B	B1	B2	r	r1	Radial		Axial		Oilrpm	Greaserpm			D2	D3	B	B1	B2	r	r1	Radial		Axial		Oil rpm	Grease rpm
					d	D	H	H1	H2	H3	C	D1	D2	D3	B	B1	B2	r	r1	Cr KN	Cor KN	Cr KN	Cor KN	Oilrpm	Greaserpm			D2	D3	B	B1	B2	r	r1	cr KN	cor KN	cr KN	cor KN	Oil rpm	Grease rpm
15	ZARN 1545TN	340	ZARN 1545LTN	370	15	45	40	28.0	53	41.0	16	35	24	34	7.5	20.5	11	0.3	0.6	14.3	19.6	23.5	64.3	8500	2200	10	0.35	24.0	34	7.5	20.6	11	0.3	0.6	14.3	19.6	23.5	64.3	8500	2200.0	10	0.35
17	ZARN 1747TN	370	ZARN 1747LTN	410	17	47	43	29.5	57	43.5	16	38	28	38	9.0	24.0	11	0.3	0.6	15.4	22.1	24.3	69.3	7800	2100	12	0.4	28.0	38	9	23.0	11	0.3	0.6	15.4	22.1	24.3	69.3	7800	2100.0	12	0.4
20	ZARN 2052TN	410	ZARN 2052LTN	460	20	52	46	31.0	60	45.0	16	42	30	40	10.0	27.5	11	0.3	0.6	14.1	20.6	27.4	77.0	7000	2000	18	0.5	30.0	40	10	24.0	11	0.3	0.6	14.1	20.6	27.4	77	7000	2000.0	18	0.5
	ZARN 2062TN	870	ZARN 2062LTN	990	20	62	60	40.0	75	55.0	20	52	40	50	12.5	25.0	11	0.3	0.6	22.6	38.0	64.0	141.0	6000	1500	38	1.3	40.0	50	12.5	27.5	11	0.3	0.6	22.6	38	64	141	6000	1500.0	38	1.3
25	ZARN 2557TN	530	ZARN 2557LTN	590	25	57	50	35.0	65	50.0	20	47	36	45	10.0	27.5	11	0.3	0.6	24.8	39.8	30.5	93.5	6000	1900	25	0.55	36.0	45	10	25.0	11	0.3	0.6	24.8	39.8	30.5	93.5	6000	1900.0	25	0.55
	ZARN 2572TN	1170	ZARN 2572LTN	1320	25	72	60	40.0	75	55.0	20	62	48	60	12.5	25.0	11	0.3	0.6	24.8	41.4	80.0	199.0	4900	1400	55	1.6	48.0	60	125	27.5	11	0.3	0.6	24.8	41.4	80	199	4900	1400.0	55	1.6
30	ZARN 3062TN	600	ZARN 3062LTN	750	30	62	50	35.0	65	50.0	20	52	40	50	10.0	30.0	11	0.3	0.6	24.3	41.5	39.0	101.0	5500	1800	32	0.65	40.0	50	10	25.0	11	0.3	0.6	24.3	41.5	39	101	5500	1800.0	32	0.65
	ZARN 3080TN	1500	ZARN 3080LTN	1700	30	80	66	43.0	82	59.0	20	68	52	66	14.0	27.0	12	0.3	0.6	25.9	45.8	75.7	221.0	4400	1300	75	2.1	52.0	66	14	30.0	12	0.3	0.6	25.9	45_8	75.7	221	4400	1300.0	75	2.1
35	ZARN 3570TN	800	ZARN 3570LTN	930	35	70	54	47.0	70	53.0	20	60	45	58	11.0	34.0	12	0.3	0.6	26.0	47.0	45.9	105.4	4800	1700	42	0.9	45.0	58	11	27.0	12	0.3	0.6	26.0	47	45.9	105.4	4800	1700.0	42	0.9
	ZARN 3585TN	1850	ZARN 3585LTN	1800	35	85	66	43.0	82	59.0	20	73	60	73	14.0	26.5	12	0.3	0.6	28.0	52.7	78.2	237.6	4000	1250	100	2.3	60.0	73	14	30.0	12	0.3	0.6	28.0	52.7	78.2	237.6	4000	1250.0	100	2.3
40	ZARN 4075TN	900	ZARN 4075LTN	1000	40	75	54	37.0	70	53.0	20	65	50	63	11.0	38.5	12	0.3	0.6	27.5	53.0	59.0	163.0	4000	1600	500	1	50.0	63	11	27.0	12	0.3	0.6	27.5	53	59	163	4400	1600.0	55	1
	ZARN 4090TN	2090	ZARN 4090LTN	2390	40	90	75	50.0	93	68.0	25	78	60	78	16.0	29.5	12	0.3	0.6	40.9	72.5	84.2	269.0	3700	1200	120	2.5	60.0	78	16	34.0	12	0.3	0.6	40.9	72.5	84.2	269	3700	1200.0	120	2.5
45	ZARN 4580TN	1120	ZARN 4580LTN	1270	45	80	60	42.5	75	57.5	25	70	50	68	11.5	38.5	12	0.3	0.6	38.0	74.0	61.0	177.0	4000	1500	65	1.2	56.0	68	11.5	26.5	12	0.3	0.6	38.0	74	61	177	4000	1500.0	65	1.2
	ZARN 45105TN	3020	ZARN 45105LTN	3420	45	105	82	53.5	103	74.5	25	90	56	88	17.5	38.5	14	0.3	0.6	40.0	82.0	154.0	405.0	3300	1150	150	3.5	70.0	88	17.5	38.5	14	0.3	0.6	40.0	82	154	405	3300	1150.0	150	3.5
50	ZARN 5090TN	1430	ZARN 5090LTN	1780	50	90	60	53.5	78	60.5	25	78	70	78	11.5	38.5	12	0.3	0.6	40.0	82.0	90.0	300.0	3600	1200	85	2.2	60.0	78	11.5	29.5	12	0.3	0.6	40.0	82	90	300	3600	1200.0	85	2.2
	ZARN 50110TN	3300	ZARN 50110LTN	3750	50	110	82	53.5	103	74.5	25	95	60	93	17.5	38.5	14	0.3	0.6	45.4	88.1	119.3	387.0	3100	1100	180	3.8	75.0	93	17.5	38.5	14	0.3	0.6	45.4	88.1	119.3	387	3100	1100.0	180	3.8
55	ZARN 55115TN	3500	ZARN 55115LTN	4000	55	115	82	53.5	103	74.5	25	100	75	98	17.5	38.5	14	0.3	0.6	49.0	109.1	126.0	369.0	2900	1000	220	4	80.0	98	17.5	38.5	14	0.3	0.6	49.0	109.1	126	369	2900	1000.0	220	4
60	ZARN 60120TN	3700	ZARN 60120LTN	4850	60	120	82	53.5	103	74.5	25	105	80	105	17.5	38.5	16	0.3	0.6	54.9	118.6	141.0	505.0	2700	950	250	4.2	90.0	105	17.5	38.5	16	0.3	0.6	54.9	118.6	141	505	2700	950.0	250	4.2
65	ZARN 65125TN	4000	ZARN 65125LTN	4600	65	125	82	53.5	103	74.5	25	110	90	108	17.5	38.5	16	0.3	0.6	54.2	100.8	126.2	441.4	2600	900	270	4	90.0	108	17.5	38.5	16	0.3	0.6	54.2	100.8	126.2	441.4	3600	900.0	270	4
70	ZARN 70130TN	4100	ZARN 70130LTN	4650	70	130	82	53.5	103	74.5	25	115	100	115	17.5	38.5	16	0.3	0.6	69.6	143.5	143.0	532.0	2400	800	330	4.8	100.0	115	17.5	38.5	16	0.3	0.6	69.6	143.5	143	532	2400	800.0	330	4.8
75	ZARN 75155TN	7900	ZARN 75155LTN	9100	75	155	100	65.0	125	90.0	30	135	115	135	21.0	46.0	16	0.3	1.0	95.0	193.0	290.0	890.0	2100	700	580	8	115.0	135	21	46.0	16	0.3	1.0	95.0	193	290	890	2100	700.0	580	8
90	ZARN 90180TN	11800	ZARN 90180LTN	13200	90	180	110	72.5	135	97.5	35	160	130	158	22.5	47.5	16	0.3	1.0	101.0	256.0	320.0	1172.0	1800	700	980	10.5	130.0	158	22.5	47.5	16	0.3	1.0	101.0	256	320	1172	1800	700.0	980	10.5

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