港彩二四六天天好资料详解,2021最难的脑筋急转弯,500308.cσm查询

等截面四点接触球薄壁轴承（X型）它的独特之处在于，其极薄的横截面使其能够为具有缓慢或间歇旋转的轻中型应用提供极大的尺寸和重量减轻。四点接触球轴承可以承受三种负荷。（径向载荷、轴向载荷、力矩）。因为一个四点接触球轴承经常可以替代两个轴承，所以它使设计更简洁。四点接触球轴承可以根据客户的需求提供不同内部预压和游隙。这可以通过使用比内外圈滚道之间空隙更大的滚珠来实现。当然，即使是在没有外部载荷的情况下，滚珠和滚道也会有一定弹性变形。

等截面薄壁轴承（四点接触球类型）
◆NKAA SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKAA10XP0	25.400	34.925	4.762	1290	670	3250	1650	0.012
NKAA15XP0	38.100	47.625	4.762	1780	800	4450	2050	0.018
NKAA17XP0	44.450	53.975	4.762	3100	2950			0.020
◆NKA SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKA020XP0	50.800	63.500	6.35	1650	1420	7600	3510	0.048
NKA025XP0	63.500	76.200	6.35	3690	1600	9290	4050	0.059
NKA030XP0	76.200	88.900	6.35	4400	1820	10980	4490	0.068
NKA035XP0	88.900	101.600	6.35	5070	2000	12670	4930	0.082
NKA040XP0	101.600	114.300	6.35	5730	2130	14310	5380	0.090
NKA042XP0	107.950	120.650	6.35	6090	2220	15160	5600	0.095
NKA045XP0	114.300	127.000	6.35	6400	2310	16000	5820	0.100
NKA047XP0	120.650	133.350	6.35	6760	2400	16850	6000	0.104
NKA050XP0	127.000	139.700	6.35	7070	2490	17690	6220	0.109
NKA055XP0	139.700	152.400	6.35	7780	2620	19380	6580	0.118
NKA060XP0	152.400	165.100	6.35	8450	2800	21070	6980	0.130
NKA065XP0	165.100	177.800	6.35	9110	2930	22760	7330	0.140
NKA070XP0	177.800	190.500	6.35	9780	3070	24450	7690	0.150
NKA075XP0	190.500	203.200	6.35	10450	3200	26140	8050	0.160
NKA080XP0	203.200	215.900	6.35	11110	3330	27830	8400	0.172
NKA090XP0	228.600	241.300	6.35	12490	3600	31200	9070	0.200
NKA100XP0	254.000	266.700	6.35	13820	3870	34580	9690	0.227
NKA110XP0	279.400	292.100	6.35	15160	4130	37960	10310	0.236
NKA120XP0	304.800	317.500	6.35	16540	4360	41340	10890	0.254
◆NKB SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKB020XP0	50.800	66.675	7.9380	4130	2000	10400	5020	0.073
NKB025XP0	63.500	79.375	7.9380	5070	2310	12620	5730	0.091
NKB030XP0	76.200	92.075	7.9380	5960	2580	14890	6400	0.109
NKB035XP0	88.900	104.775	7.9380	6850	2800	17160	7070	0.125
NKB040XP0	101.600	117.475	7.9380	7780	3070	19430	7650	0.140
NKB042XP0	107.950	123.825	7.9380	8130	3160	20310	7910	0.147
NKB045XP0	114.300	130.175	7.9380	8670	3290	21690	8220	0.160
NKB047XP0	120.650	136.525	7.9380	9020	3380	22580	8450	0.163
NKB050XP0	127.000	142.875	7.9380	9560	3510	23910	8800	0.172
NKB055XP0	139.700	155.575	7.9380	10490	3730	26180	9340	0.186
NKB060XP0	152.400	168.275	7.9380	11380	3960	28450	9870	0.205
NKB065XP0	165.100	180.975	7.9380	12270	4130	30720	10400	0.216
NKB070XP0	177.800	193.675	7.9380	13200	4360	32980	10890	0.232
NKB075XP0	190.500	206.375	7.9380	14090	4530	35200	11380	0.250
NKB080XP0	203.200	219.075	7.9380	14980	4760	37470	11870	0.262
NKB090XP0	228.600	244.475	7.9380	16800	5110	42000	12800	0.300
NKB100XP0	254.000	269.875	7.9380	18620	5470	46500	13690	0.331
NKB110XP0	279.400	295.275	7.9380	20400	5820	51030	14580	0.360
NKB120XP0	304.800	320.675	7.9380	22230	6180	55560	15420	0.390
NKB140XP0	355.600	371.475	7.9380	25830	6800	64590	17070	0.476
NKB160XP0	406.400	422.275	7.9380	29430	7420	73610	18630	0.544
NKB180XP0	457.200	473.075	7.9380	33070	8050	82630	20090	0.612
NKB200XP0	508.000	523.875	7.9380	36670	8620	91660	21560	0.68
◆NKX SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKX040XP0	101.600	120.650	9.525	9340	3910	23380	9820	0.204
NKX042XP0	107.950	127.000	9.525	9870	4090	24710	10180	0.213
NKX045XP0	114.300	133.350	9.525	10400	4220	26050	10580	0.225
NKX047XP0	120.650	139.700	9.525	10940	4360	27380	10940	0.235
NKX050XP0	127.000	146.050	9.525	11510	4490	28720	11290	0.263
NKX055XP0	139.700	158.750	9.525	12580	4800	31380	11960	0.268
NKX060XP0	152.400	171.450	9.525	13650	5070	34050	12620	0.295
NKX065XP0	165.100	184.150	9.525	14710	5330	36760	13290	0.312
NKX070XP0	177.800	196.850	9.525	15780	5560	39430	13910	0.340
NKX075XP0	190.500	209.550	9.525	16850	5820	42090	14540	0.360
NKX080XP0	203.200	222.250	9.525	17910	6050	44760	15160	0.387
NKX090XP0	228.600	247.650	9.525	20050	6530	50100	16310	0.450
NKX100XP0	254.000	273.050	9.525	22180	6980	55430	17470	0.481
NKX110XP0	279.400	298.450	9.525	24310	7420	60810	18580	0.526
NKX120XP0	304.800	323.850	9.525	26450	7870	66140	19650	0.567
NKX140XP0	355.600	374.650	9.525	30720	8670	76810	21740	0.689
NKX160XP0	406.400	425.450	9.525	35030	9470	87520	23690	0.785
NKX180XP0	457.200	476.250	9.525	39290	10220	98190	25600	0.880
NKX200XP0	508.000	527.050	9.525	43560	10980	108900	27430	0.980
NKX250XP0	635.000	654.050	9.525
◆NKD SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKD040XP0	101.600	127.000	12.7	13690	6270	34230	15650	0.366
NKD042XP0	107.950	133.350	12.7	14180	6400	35470	16000	0.386
NKD045XP0	114.300	139.700	12.7	15200	6710	38010	16760	0.405
NKD047XP0	120.650	146.050	12.7	15690	6850	39290	17160	0.426
NKD050XP0	127.000	152.400	12.7	16710	7160	41830	17870	0.454
NKD055XP0	139.700	165.100	12.7	18230	7560	45610	18940	0.485
NKD060XP0	152.400	177.800	12.7	19780	8000	49430	19960	0.526
NKD065XP0	165.100	190.500	12.7	21290	8400	53210	20980	0.566
NKD070XP0	177.800	203.200	12.7	22800	8800	57030	21960	0.606
NKD075XP0	190.500	215.900	12.7	24310	9160	60810	22940	0.650
NKD080XP0	203.200	228.600	12.7	25830	9560	64630	23870	0.694
NKD090XP0	228.600	254.000	12.7	28900	10310	72230	25740	0.780
NKD100XP0	254.000	279.400	12.7	31920	10980	79830	27520	0.853
NKD110XP0	279.400	304.800	12.7	34980	11690	87430	29200	0.934
NKD120XP0	304.800	330.200	12.7	38010	12360	95030	30890	1.020
NKD140XP0	355.600	381.000	12.7	44090	13650	110240	34090	1.240
NKD160XP0	406.400	431.800	12.7	50180	14890	125440	37160	1.410
NKD180XP0	457.200	482.600	12.7	56230	16050	140640	40140	1.580
NKD200XP0	508.000	533.400	12.7	62320	17200	155840	42980	1.750
◆NKF SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKF040XP0	101.600	139.700	19.05	23830	12140	59560	30360	0.875
NKF042XP0	107.950	146.050	19.05	25070	12580	62720	31430	0.930
NKF045XP0	114.300	152.400	19.05	26360	12980	65830	32450	0.975
NKF047XP0	120.650	158.750	19.05	27600	13380	68990	33470	1.040
NKF050XP0	127.000	165.100	19.05	28850	13780	72100	34490	1.090
NKF055XP0	139.700	177.800	19.05	31340	14580	78370	36450	1.180
NKF060XP0	152.400	190.500	19.05	33870	15340	84680	38360	1.240
NKF065XP0	165.100	203.200	19.05	36360	16090	90950	40230	1.350
NKF070XP0	177.800	215.900	19.05	38890	16850	97210	42050	1.450
NKF075XP0	190.500	228.600	19.05	41380	17560	103480	43870	1.560
NKF080XP0	203.200	241.300	19.05	43920	18230	109750	45610	1.660
NKF090XP0	228.600	266.700	19.05	48900	19600	122280	49030	1.810
NKF100XP0	254.000	292.100	19.05	53920	20940	134820	52320	2.020
NKF110XP0	279.400	317.500	19.05	58940	22230	147350	55520	2.180
NKF120XP0	304.800	342.900	19.05	63960	23470	159890	58630	2.380
NKF140XP0	355.600	393.700	19.05	74010	25830	185000	64590	2.720
NKF160XP0	406.400	444.500	19.05	84010	28140	210070	70320	3.220
NKF180XP0	457.200	495.300	19.05	94060	30320	235140	75830	3.580
NKF200XP0	508.000	546.100	19.05	104100	32450	260260	81120	4.040
◆NKG SERIES
型号	尺寸（mm)			载荷（N)				重量
型号	d	D	H	Cor	Cr	Coa	Ca	Kg
NKG040XP0	101.600	152.400	25.40	36490	20000	91210	50050	1.650
NKG042XP0	107.950	158.750	25.40	36490	20000	91210	50050	1.750
NKG045XP0	114.300	165.100	25.40	38940	20900	97300	52230	1.810
NKG047XP0	120.650	171.450	25.40	41340	21740	103390	54360	1.910
NKG050XP0	127.000	177.800	25.40	43780	22580	109440	56500	2.020
NKG055XP0	139.700	190.500	25.40	46230	23430	115530	58590	2.170
NKG060XP0	152.400	203.200	25.40	51070	25030	127710	62630	2.310
NKG065XP0	165.100	215.900	25.40	53520	25830	133800	64590	2.470
NKG070XP0	177.800	228.600	25.40	58360	27380	145930	68450	2.670
NKG075XP0	190.500	241.300	25.40	60810	28140	152020	70320	2.830
NKG080XP0	203.200	254.000	25.40	65650	29600	164200	74010	3.000
NKG090XP0	228.600	279.400	25.40	72990	31780	182420	79430	3.300
NKG100XP0	254.000	304.800	25.40	80280	33870	200650	84630	3.650
NKG110XP0	279.400	330.200	25.40	87570	35870	218920	89700	3.960
NKG120XP0	304.800	355.600	25.40	94860	37830	237140	94590	4.320
NKG140XP0	355.600	406.400	25.40	109440	41600	273630	104060	4.960
NKG160XP0	406.400	457.200	25.40	124060	45250	310130	113130	5.650
NKG180XP0	457.200	508.000	25.40	138640	48720	346620	121840	6.280
NKG200XP0	508.000	558.800	25.40	153220	52100	383070	130240	7.530
NKG250XP0	635.000	685.800	25.40	300000	100000			8.850
NKG300XP0	762.000	812.800	25.40	360000	107000			10.570
NKG350XP0	889.000	939.800	25.40	420000	113000			12.300
NKG400XP0	1016.000	1066.800	25.40

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