薄壁等截面四点接触球轴承是一种特殊设计的轴承，巧妙地结合了薄壁结构和四点接触设计。其特殊之处在于通过在轴承内部实现四个点的接触，有效分散负荷，提高了系统在瞬间高压和复杂轴向负荷下的稳定性。薄壁设计使其适应于有限的安装空间，常见于对空间要求较为苛刻的设备或系统。
  

  一、薄壁等截面四点接触球轴承的结构和原理

  
  1、薄壁设计：这种轴承的薄壁结构是其特殊之处，使其能够适应有限安装空间的工程应用。这一设计特点为机械系统提供了更大的灵活性，特别适用于空间受限的设备。
  
  2、四点接触设计：通过四点接触设计，轴承可以在面对瞬间高压和复杂轴向负荷时表现优良。四个接触点的均匀分布有助于提高系统的承载能力，确保其在多方向负荷下运行的稳定性。
  

  二、薄壁等截面四点接触球轴承的优势

  
  1、高承载能力和稳定性：四点接触设计赋予轴承良好的承载能力，保持系统在运行中的稳定性。
  
  2、适用于有限空间：薄壁设计使其能够灵活适应有限的安装空间，符合现代紧凑设计的趋势。
  
  3、瞬间高压承受能力：在瞬间高压负荷下，通过均匀分布负荷，提高了系统的性能，确保可靠运行。
  
  4、多领域适用：广泛应用于航空航天、汽车、工业机械、医疗等多个领域，是多种工程项目的理想选择。
  

  三、薄壁等截面四点接触球轴承的应用领域

  
  1、航空航天工业：由于其轻量薄壁设计和四点接触的性能特点，薄壁等截面四点接触球轴承广泛用于航空发动机、飞控系统等领域，确保在高速飞行和环境下的可靠性。
  
  2、汽车工业：在汽车传动系统中，该轴承处理发动机输出的瞬间负荷，轻量设计有助于减轻整车重量，提高燃油效率。
  
  3、工业机械和设备：用于生产线上的转动部件、机械臂和工业机器人，四点接触设计提高了机械设备的稳定性和寿命。
  
  4、医疗设备：适用于医疗设备，特别是需要同时处理轴向和径向负荷的设备，如影像设备和科研。

薄壁等截面四点接触球轴承参数型号

型号 Type	基本尺寸 Major dimensi0ns						重量 Weight	额定负载 Rated loading				极限转速 Limiting Speed	对应型号 Equivalent
	d		D		B
	in	mm	in	mm	in	mm	kg	径向 Radial		推力 Thrust
								静态 Static	动态 Dynamic	静态 Static	动态 Dynamic	(RPM)	KAYD0N	SILVERTHIN
								C0(N)	Cr(N)	C0(N)	Cr(N)
LKAA10XL0	1	25.4	1.375	34.925	0.1875	4.763	0.014	1290	1099	3247	1646	10110	KAA10XL0	SAA10XL0
LKAA15XL0	1.5	38.1	1.875	47.625	0.1875	4.763	0.018	1779	1317	4448	2046	7110	KAA15XL0	SAA15XL0
LKA020XP0	2	50.8	2.5	63.5	0.25	6.35	0.045	3025	2286	7606	3514	5330	KA020XP0	SA020XP0
LKB020XP0	2	50.8	2.625	66.675	0.3125	7.938	0.073	4137	3372	10409	5026	5190	KB020XP0	SB020XP0
LKA025XP0	2.5	63.5	3	76.2	0.25	6.35	0.059	3692	2593	9297	4048	4360	KA025XP0	SA025XP0
LKB025XP0	2.5	63.5	3.125	79.375	0.3125	7.938	0.091	5071	3772	12633	5738	4270	KB025XP0	SB025XP0
LKA030XP0	3	76.2	3.5	88.9	0.25	6.35	0.068	4404	2375	6539	4493	3690	KA030XP0	SA030XP0
LKB030XP0	3	76.2	3.625	92.075	0.3125	7.938	0.109	5961	4150	14902	6405	3620	KB030XP0	SB030XP0
LKA035XP0	3.5	88.9	4	101.6	0.25	6.35	0.082	5071	3118	8229	4938	3200	KA035XP0	SA035XP0
LKB035XP0	3.5	88.9	4.125	104.775	0.3125	7.938	0.122	6850	4510	17170	7073	3150	KB035XP0	SB035XP0
LKA040XP0	4	101.6	4.5	114.3	0.25	6.35	0.086	5738	3363	14323	5382	2820	KA040XP0	SA040XP0
LKB040XP0	4	101.6	4.625	117.475	0.3125	7.938	0.136	7784	4853	19439	7651	2780	KB040XP0	SB040XP0
LKC040XP0	4	101.6	4.75	120.65	0.375	9.525	0.204	9341	6303	23398	9831	2740	KC040XP0	SC040XP0
LKD040XP0	4	101.6	5	127	0.5	12.7	0.354	13701	10280	34251	15658	2670	KD040XP0	SD040XP0
LKF040XP0	4	101.6	5.5	139.7	0.75	19.05	0.862	23842	20751	59606	30381	2530	KF040XP0	SF040XP0
LKG040XP0	4	101.6	6	152.4	1	25.4	1.633	36520	35492	91278	50087	2400	KG040XP0	SG040XP0
LKA042XP0	4.25	107.95	4.75	120.65	0.25	6.35	0.091	6094	3483	15168	5605	2670	KA042XP0	SA042XP0
LKB042XP0	4.25	107.95	4.875	123.825	0.3125	7.938	0.141	8140	4982	20328	7918	2630	KB042XP0	SB042XP0
LKC042XP0	4.25	107.95	5	127	0.375	9.525	0.213	9875	6512	24732	10186	2590	KC042XP0	SC042XP0
LKD042XP0	4.25	107.95	5.25	133.35	0.5	12.7	0.376	14190	10476	35497	16014	2530	KD042XP0	SD042XP0
LKF042XP0	4.25	107.95	5.75	146.05	0.75	19.05	0.907	25088	21329	62764	31449	2400	KF042XP0	SF042XP0
LKG042XP0	4.25	107.95	6.25	158.75	1	25.4	1.724	36520	35217	91278	50087	2290	KG042XP0	SG042XP0
LKA045XP0	4.5	114.3	5	127	0.25	6.35	0.1	6405	3599	16014	5827	2530	KA045XP0	SA045XP0
LKB045XP0	4.5	114.3	5.125	130.175	0.3125	7.938	0.15	8674	5182	21707	8229	2490	KB045XP0	SB045XP0
LKC045XP0	4.5	114.3	5.25	133.35	0.375	9.525	0.218	10409	2269	26067	10587	2460	KC045XP0	SC045XP0
LKD045XP0	4.5	114.3	5.5	139.7	0.5	12.7	0.399	15213	10916	37810	16770	2400	KD045XP0	SD045XP0
LKF045XP0	4.5	114.3	6	152.4	0.75	19.05	0.953	26378	21899	65878	32472	2290	KF045XP0	SF045XP0
LKG045XP0	4.5	114.3	6.5	165.1	1	25.4	1.841	38966	36498	97372	52267	2180	KG045XP0	SG045XP0
LKA047XP0	4.75	120.65	5.25	133.35	0.25	6.35	0.104	6761	3710	16859	6005	2400	KA047XP0	SA047XP0
LKB047XP0	4.75	120.65	5.375	136.525	0.3125	7.938	0.154	9030	5307	22597	8452	2370	KB047XP0	SB047XP0
LKC047XP0	4.75	120.65	5.5	139.7	0.375	9.525	0.227	10943	6921	27401	10943	2340	KC047XP0	SC047XP0
LKD047XP0	4.75	120.65	5.75	146.05	0.5	12.7	0.426	15702	11103	39322	17170	2290	KD047XP0	SD047XP0
LKF047XP0	4.75	120.65	6.25	158.75	0.75	19.05	0.998	27623	22455	69036	33495	2180	KF047XP0	SF047XP0
LKG047XP0	4.75	120.65	6.75	171.45	1	25.4	1.86	41368	37752	103466	54402	2090	KG047XP0	SG047XP0
LKA050XP0	5	127	5.5	139.7	0.25	6.35	0.109	7073	3821	17704	6228	2290	KA050XP0	SA050XP0
LKB050XP0	5	127	5.625	142.875	0.3125	7.938	0.172	9564	5498	23931	8807	2260	KB050XP0	SB050XP0
LKC050XP0	5	127	5.75	146.05	0.375	9.525	0.263	11521	7117	28736	11298	2230	KC050XP0	SC050XP0
LKD050XP0	5	127	6	152.4	0.5	12.7	0.454	16725	11530	41858	17882	2180	KD050XP0	SD050XP0
LKF050XP0	5	127	6.5	165.1	0.75	19.05	1.043	28869	23006	72150	34518	2090	KF050XP0	SF050XP0
LKG050XP0	5	127	7	177.8	1	25.4	1.95	43815	38975	109515	56537	2000	KG050XP0	SG050XP0
LKA055XP0	5.5	139.7	6	152.4	0.25	6.35	0.113	7784	4039	19394	6583	2090	KA055XP0	SA055XP0
LKB055XP0	5.5	139.7	6.125	155.575	0.3125	7.938	0.186	10498	5800	26200	9341	2060	KB055XP0	SB055XP0
LKC055XP0	5.5	139.7	6.25	158.75	0.375	9.525	0.268	12588	7504	31404	11966	2040	KC055XP0	SC055XP0
LKD055XP0	5.5	139.7	6.5	165.1	0.5	12.7	0.481	18238	12121	45639	18949	2000	KD055XP0	SD055XP0
LKF055XP0	5.5	139.7	7	177.8	0.75	19.05	1.134	31360	24087	78422	36475	1920	KF055XP0	SF055XP0
LKG055XP0	5.5	139.7	7.5	190.5	1	25.4	2.132	46262	39941	115609	58628	1850	KG055XP0	SG055XP0
LKA060XP0	6	152.4	6.5	165.1	0.25	6.35	0.127	8452	4248	21085	6984	1920	KA060XP0	SA060XP0
LKB060XP0	6	152.4	6.625	168.275	0.3125	7.938	0.2	11387	6099	28469	9875	1900	KB060XP0	SB060XP0
LKC060XP0	6	152.4	6.75	171.45	0.375	9.525	0.286	13656	7873	34073	12633	1880	KC060XP0	SC060XP0
LKD060XP0	6	152.4	7	177.8	0.5	12.7	0.526	19795	12700	49464	19973	1850	KD060XP0	SD060XP0
LKF060XP0	6	152.4	7.5	190.5	0.75	19.05	1.225	33895	25137	84739	38388	1780	KF060XP0	SF060XP0
LKG060XP0	6	152.4	8	203.2	1	25.4	2.313	51110	42271	127797	62675	1710	KG060XP0	SG060XP0
LKA065XP0	6.5	165.1	7	177.8	0.25	6.35	0.136	9119	4453	22775	7340	1780	KA065XP0	SA065XP0
LKB065XP0	6.5	165.1	7.125	180.975	0.3125	7.938	0.213	12277	6383	30737	10409	1760	KB065XP0	SB065XP0
LKC065XP0	6.5	165.1	7.25	184.15	0.375	9.525	0.308	14724	8234	36787	13300	1750	KC065XP0	SC065XP0
LKD065XP0	6.5	165.1	7.5	190.5	0.5	12.7	0.553	21307	13256	53245	20996	1710	KD065XP0	SD065XP0
LKF065XP0	6.5	165.1	8	203.2	0.75	19.05	1.315	36386	26156	91011	40256	1660	KF065XP0	SF065XP0
LKG065XP0	6.5	165.1	8.5	215.9	1	25.4	2.449	53557	43206	133891	64633	1600	KG065XP0	SG065XP0
LKA070XP0	7	177.8	7.5	190.5	0.25	6.35	0.141	9786	4653	24465	7695	1660	KA070XP0	SA070XP0
LKB070XP0	7	177.8	7.625	193.675	0.3125	7.938	0.227	13211	6663	33006	10898	1640	KB070XP0	SB070XP0
LKC070XP0	7	177.8	7.75	196.85	0.375	9.525	0.331	15791	8590	39456	13923	1630	KC070XP0	SC070XP0
LKD070XP0	7	177.8	8	203.2	0.5	12.7	0.594	22819	13803	57071	21974	1600	KD070XP0	SD070XP0
LKF070XP0	7	177.8	8.5	215.9	0.75	19.05	1.451	33139	27147	97283	42080	1550	KF070XP0	SF070XP0
LKG070XP0	7	177.8	9	228.6	1	25.4	2.631	58405	45407	146035	68503	1500	KG070XP0	SG070XP0
LKA075XP0	7.5	190.5	8	203.2	0.25	6.35	0.154	10453	4844	26156	8051	1550	KA075XP0	SA075XP0
LKB075XP0	7.5	190.5	8.125	206.375	0.3125	7.938	0.24	14101	6935	35230	11387	1540	KB075XP0	SB075XP0
LKC075XP0	7.5	190.5	8.25	209.55	0.375	9.525	0.354	16859	8928	42125	14546	1520	KC075XP0	SC075XP0
LKD075XP0	7.5	190.5	8.5	215.9	0.5	12.7	0.64	24332	14332	60852	22953	1500	KD075XP0	SD075XP0
LKF075XP0	7.5	190.5	9	228.6	0.75	19.05	1.542	41413	28126	103555	43904	1450	KF075XP0	SF075XP0
LKG075XP0	7.5	190.5	9.5	241.3	1	25.4	2.767	60852	46306	152129	70371	1410	KG075XP0	SG075XP0
LKA080XP0	8	203.2	8.5	215.9	0.25	6.35	0.172	11121	5031	27846	8407	1450	KA080XP0	SA080XP0
LKB080XP0	8	203.2	8.625	219.075	0.3125	7.938	0.259	14991	7197	37499	11877	1440	KB080XP0	SB080XP0
LKC080XP0	8	203.2	8.75	222.25	0.375	9.525	0.381	17926	9261	44794	15168	1430	KC080XP0	SC080XP0
LKD080XP0	8	203.2	9	228.6	0.5	12.7	0.694	2580	14848	64677	23887	1410	KD080XP0	SD080XP0
LKF080XP0	8	203.2	9.5	241.3	0.75	19.505	1.588	43948	29069	109827	45639	1370	KF080XP0	SF080XP0
LKG080XP0	8	203.2	10	254	1	25.4	2.948	65700	48406	164317	74063	1330	KG080XP0	SG080XP0
LKA090XP0	9	228.6	9.5	241.3	0.25	6.35	0.2	12500	5391	31227	9074	1300	KA090XP0	SA090XP0
LKB090XP0	9	228.6	9.625	244.475	0.3125	7.938	0.299	16814	7704	42036	12811	1290	KB090XP0	SB090XP0
LKC090XP0	9	228.6	9.75	247.65	0.375	9.525	0.426	20061	9902	50131	16325	1280	KC090XP0	SC090XP0
LKD090XP0	9	228.6	10	254	0.5	12.7	0.78	28913	15840	72284	25755	1260	KD090XP0	SD090XP0
LKF090XP0	9	228.6	10.5	266.7	0.75	19.05	1.769	48930	30902	122371	49064	1230	KF090XP0	SF090XP0
LKG090XP0	9	228.6	11	279.4	1	25.4	3.266	73040	51270	182555	79490	1200	KG090XP0	SG090XP0
LKA100XP0	10	254	10.5	266.7	0.25	6.35	0.227	13834	5734	34607	9697	1170	KA100XP0	SA100XP0
LKB100XP0	10	254	10.625	269.875	0.3125	7.938	0.331	18638	8189	46528	13701	1160	KB100XP0	SB100XP0
LKC100XP0	10	254	10.75	273.05	0.375	9.525	0.481	22197	10516	55469	17482	1160	KC100XP0	SC100XP0
LKD100XP0	10	254	11	279.4	0.5	12.7	0.853	31938	16796	79890	27534	1140	KD100XP0	SD100XP0
LKF100XP0	10	254	11.5	292.1	0.75	19.05	1.95	53957	32659	134915	52356	1120	KF100XP0	SF100XP0
LKG100XP0	10	254	12	304.8	1	25.4	3.853	80335	54033	200793	84694	1090	KG100XP0	SG100XP0
LKA110XP0	11	279.4	11.5	292.1	0.25	6.35	0.236	15168	6058	37988	10320	1070	KA110XP0	SA110XP0
LKB110XP0	11	279.4	11.625	295.275	0.3125	7.938	0.34	20417	8652	51066	14590	1060	KB110XP0	SB110XP0
LKC110XP0	11	279.4	11.75	298.45	0.375	9.525	0.526	24332	11103	60852	18594	1050	KC110XP0	SC110XP0
LKD110XP0	11	279.4	12	304.8	0.5	12.7	0.934	35008	17708	87497	29225	1040	KD110XP0	SD110XP0
LKF110XP0	11	279.4	12.5	317.5	0.75	19.05	2.177	58983	34345	147459	55558	1020	KF110XP0	SF110XP0
LKG110XP0	11	279.4	13	330.2	1	25.4	3.901	87630	65562	219075	89765	1000	KG110XP0	SG110XP0
LKA120XP0	12	304.8	12.5	317 500	0.25	6.35	0.254	16547	6374	41368	10898	980	KA120XP0	SA120XP0
LKB120XP0	12	304.8	12. 625	320.675	0.3125	7.938	0.376	22241	9097	55603	15435	970	KB120XP0	SB120XP0
LKC120XP0	12	304.8	12.75	323.85	0.375	9.525	0.567	26467	11663	66190	19661	970	KC120XP0	SC120XP0
LKD120XP0	12	304.8	13	330.2	0.5	12.7	1.021	38032	18585	95103	30915	960	KD120XP0	SD120XP0
LKF120XP0	12	304.8	13.5	342.9	0.75	19.05	2.359	64010	35959	160003	58672	940	KF120XP0	SF120XP0
LKG120XP0	12	304.8	14	355.6	1	25.4	4.218	94925	59228	237313	94658	920	KG120XP0	SG120XP0
LKB140XP0	14	355.6	14.625	371.475	0.3125	7.938	0.476	25844	9937	6806	17081	840	KB140XP0	SB140XP0
LKC140XP0	14	355.6	14.75	374.65	0.375	9.525	0.689	30737	12731	76865	21752	830	KC140XP0	SC140XP0
LKD140XP0	14	355.6	15	381	0.5	12.7	1.238	44126	20244	110316	34118	830	KD140XP0	SD140XP0
LKF140XP0	14	355.6	15.5	393.7	0.75	19.05	2.722	74063	39033	185135	64633	810	KF140XP0	SF140XP0
LKG140XP0	14	355.6	16	406.4	1	25.4	4.899	109515	64072	273833	104133	800	KG140XP0	SG140XP0
LKB160XP0	16	406.4	16.625	422.275	0.3125	7.938	0.544	29447	10720	73663	18638	740	KB160XP0	SB160XP0
LKC160XP0	16	406.4	16.75	425.45	0.375	9.525	0.785	35052	13727	87585	23709	730	KC160XP0	SC160XP0
LKD160XP0	16	406.4	17	431.8	0.5	12.7	1.406	50220	21792	125440	37187	730	KD160XP0	SD160XP0
LKF160XP0	16	406.4	17.5	444.5	0.75	19.05	3.221	84071	41907	210223	70371	720	KF160XP0	SF160XP0
LKG160XP0	160	406.4	18	457 200	1	25.4	5.579	124150	68614	310352	113207	710	KG160XP0	SG160XP0
LKB180XP0	16	406.4	18.625	473.075	0.3125	7.938	0.612	33095	11459	82692	20106	660	KB180XP0	SB180XP0
LKC180XP0	18	457.2	18.75	476.25	0.375	9.525	0.88	39322	14657	98261	25622	650	KC180XP0	SC180XP0
LKD180XP0	18	457.2	19	482.6	0.5	12.7	1.579	56270	23246	140742	40167	650	KD180XP0	SD180XP0
LKF180XP0	18	457.2	19.5	495.3	0.75	19.05	3.583	94124	44607	235311	75887	640	KF180XP0	SF180XP0
LKG180XP0	18	457.2	20	508	1	25.4	6.214	138740	72889	346872	121926	630	KG180XP0	SG180XP0
LKB200XP0	18	457.2	20.625	523.875	0.3125	7.938	0.68	36698	12148	91722	21574	590	KB200XP0	SB200XP0
LKC200XP0	20	508	20.75	527.05	0.375	9.525	0.98	43593	15533	108981	27446	590	KC200XP0	SC200XP0
LKD200XP0	20	508	21	533.4	0.5	12.7	1.746	62364	24616	155955	43014	590	KD200XP0	SD200XP0
LKF200XP0	20	508	21.5	546.1	0.75	19.05	4.037	104177	47160	260221	81180	580	KF200XP0	SF200XP0
LKG200XP0	20	508	22	558.8	1	25.4	7.167	153330	76923	383348	130333	570	KG200XP0	SG200XP0
LKC250XP0	25	635	25.75	654.05	0.375	9.525	1.22	54268	17530	135715	31760	470	KC250XP0	SC250XP0
LKD250XP0	25	635	26	660.4	0.5	12.7	2.173	77577	27735	193987	49731	470	KD250XP0	SD250XP0
LKF250XP0	25	635	26.5	673.1	0.75	19.05	4.944	129265	52974	323163	93724	470	KF250XP0	SF250XP0
LKG250XP0	25	635	27	685.8	1	25.4	8.845	189850	86118	474625	150261	460	KG250XP0	SG250XP0
LKC300XP0	30	762	30.75	781.05	0.375	9.525	1.456	64989	19296	162449	35808	400	KC300XP0	SC300XP0
LKD300XP0	30	762	31	787400	0.5	12.7	2.599	92790	30497	232019	56048	390	KD300XP0	SD300XP0
LKF300XP0	30	762	31.5	800.1	0.75	19.05	5.897	154353	58116	385928	105512	390	KF300XP0	SF300XP0
LKG300XP0	30	762	32	812.8	1	25.4	10.569	226370	94302	565814	168943	390	KG300XP0	SG300XP0
LKF350XP0	35	889	36.5	927.1	0.75	19.05	6.849	179486	62720	448826	116632	340	KF350XP0	SF350XP0
LKG350XP0	35	889	37	939.8	1	25.4	12.292	262890	101620	657002	186692	330	KG350XP0	SG350XP0
LKF400XP0	40	1016	41.5	1054.1	0.75	19.05	7.802	204574	66875	511546	127308	290	KF400XP0	SF400XP0
LKG400XP0	40	1016	42	1066.8	1	25.4	13.971	299410	108234	748636	203595	290	KG400XP0	SG400XP0