LYDL Thin Section Angular Contact Ball Bearings Technical Parameters

Model	d (in)	d (mm)	D (in)	D (mm)	B (in)	B (mm)	Weight (kg)	Radial Static Co (N)	Radial Dynamic Cr (N)	Thrust Static Co (N)	Thrust Dynamic Cr (N)	Limiting Speed (RPM)	Kaydon Equivalent	Silverthin Equivalent
LYDL-AA10	1.00	25.400	1.3750	34.925	0.1875	4.763	0.014	1,512	863	4,315	2,002	16,840	KAA10AG0	SAA10AG0
LYDL-AA15	1.50	38.100	1.8750	47.625	0.1875	4.763	0.018	2,135	1,059	6,139	2,491	11,850	KAA15AG0	SAA15AG0
LYDL-A020	2.00	50.800	2.5000	63.500	0.2500	6.350	0.045	3,514	1,802	10,142	4,270	8,890	KA020AR0	SA020AR0
LYDL-B020	2.00	50.800	2.6250	66.675	0.3125	7.938	0.073	4,849	2,673	14,012	6,139	8,650	KB020AR0	SB020AR0
LYDL-A025	2.50	63.500	3.0000	76.200	0.2500	6.350	0.059	4,270	2,042	12,366	4,893	7,270	KA025AR0	SA025AR0
LYDL-B025	2.50	63.500	3.1250	79.375	0.3125	7.938	0.091	5,961	3,003	17,170	7,073	7,110	KB025AR0	SB025AR0
LYDL-A030	3.00	76.200	3.5000	88.900	0.2500	6.350	0.068	5,071	2,255	14,635	5,471	6,150	KA030AR0	SA030AR0
LYDL-B030	3.00	76.200	3.6250	92.075	0.3125	7.938	0.109	6,895	3,265	19,884	7,784	6,040	KB030AR0	SB030AR0
LYDL-A035	3.50	88.900	4.0000	101.600	0.2500	6.350	0.082	5,827	2,455	16,859	6,005	5,330	KA035AR0	SA035AR0
LYDL-B035	3.50	88.900	4.1250	104.775	0.3125	7.938	0.122	7,962	3,563	23,042	8,585	5,250	KB035AR0	SB035AR0
LYDL-A040	4.00	101.600	4.5000	114.300	0.2500	6.350	0.086	6,628	2,647	19,127	6,539	4,710	KA040AR0	SA040AR0
LYDL-B040	4.00	101.600	4.6250	117.475	0.3125	7.938	0.136	9,074	3,848	26,200	9,341	4,640	KB040AR0	SB040AR0
LYDL-C040	4.00	101.600	4.7500	120.650	0.3750	9.525	0.204	11,343	5,129	32,739	12,322	4,570	KC040AR0	SC040AR0
LYDL-D040	4.00	101.600	5.0000	127.000	0.5000	12.700	0.354	15,791	8,091	45,639	18,949	4,440	KF040AR0	SF040AR0
LYDL-F040	4.00	101.600	5.5000	139.700	0.7500	19.050	0.862	28,246	16,619	81,580	37,454	4,210	KF040AR0	SF040AR0
LYDL-G040	4.00	101.600	6.0000	152.400	1.0000	25.400	1.633	42,169	27,939	121,703	60,629	4,000	KG040AR0	SG040AR0
LYDL-A042	4.25	107.950	4.7500	120.650	0.2500	6.350	0.091	7,028	2,740	20,239	6,806	4,440	KA042AR0	SA042AR0
LYDL-B042	4.25	107.950	4.8750	123.825	0.3125	7.938	0.141	9,564	3,963	27,579	9,653	4,380	KB042AR0	SB042AR0
LYDL-C042	4.25	107.950	5.0000	127.000	0.3750	9.525	0.213	12,055	5,311	34,785	12,811	4,320	KC042AR0	SC042AR0
LYDL-D042	4.25	107.950	5.2500	133.350	0.5000	12.700	0.376	16,681	8,345	48,174	19,661	4,210	KD042AR0	SD042AR0
LYDL-F042	4.25	107.950	5.7500	146.050	0.7500	19.050	0.907	29,358	16,925	84,739	38,388	4,000	KF042AR0	SF042AR0
LYDL-G042	4.25	107.950	6.2500	158.750	1.0000	25.400	1.724	44,260	28,638	127,797	62,675	3,810	KG042AR0	SG042AR0
LYDL-A045	4.50	114.300	5.0000	127.000	0.2500	6.350	0.100	7,384	2,834	21,396	7,028	4,210	KA045AR0	SA045AR0
LYDL-B045	4.50	114.300	5.1250	130.175	0.3125	7.938	0.150	10,008	4,079	28,913	9,964	4,160	KB045AR0	SB045AR0
LYDL-C045	4.50	114.300	5.2500	133.350	0.3750	9.525	0.218	12,722	5,489	36,787	13,300	4,100	KC045AR0	SC045AR0
LYDL-D045	4.50	114.300	5.5000	139.700	0.5000	12.700	0.399	17,570	8,590	50,710	20,328	4,000	KD045AR0	SD045AR0
LYDL-F045	4.50	114.300	6.0000	152.400	0.7500	19.050	0.953	31,538	17,642	91,011	40,256	3,810	KF045AR0	SF045AR0
LYDL-G045	4.50	114.300	6.5000	165.100	1.0000	25.400	1.814	46,395	29,189	133,891	64,633	3,640	KG045AR0	SG045AR0
LYDL-A047	4.75	120.650	5.2500	133.350	0.2500	6.350	0.104	7,784	2,922	22,508	7,295	4,000	KA047AR0	SA047AR0
LYDL-B047	4.75	120.650	5.3750	136.525	0.3125	7.938	0.154	10,631	4,230	30,737	10,409	3,950	KB047AR0	SB047AR0
LYDL-C047	4.75	120.650	5.5000	139.700	0.3750	9.525	0.227	13,434	5,667	38,788	13,789	3,900	KC047AR0	SC047AR0
LYDL-D047	4.75	120.650	5.7500	146.050	0.5000	12.700	0.426	18,460	8,834	53,245	20,996	3,810	KD047AR0	SD047AR0
LYDL-F047	4.75	120.650	6.2500	158.750	0.7500	19.050	0.998	32,605	17,944	94,124	36,742	3,640	KF047AR0	SF047AR0
LYDL-G047	4.75	120.650	6.7500	171.450	1.0000	25.400	1.860	48,486	30,003	139,941	66,590	3,480	KG047AR0	SG047AR0
LYDL-A050	5.00	127.000	5.5000	139.700	0.2500	6.350	0.109	8,185	3,007	23,620	7,517	3,810	KA050AR0	SA050AR0
LYDL-B050	5.00	127.000	5.6250	142.875	0.3125	7.938	0.172	11,121	4,341	32,072	10,720	3,760	KB050AR0	SB050AR0
LYDL-C050	5.00	127.000	5.7500	146.050	0.3750	9.525	0.263	14,145	5,841	40,790	14,234	3,720	KC050AR0	SC050AR0
LYDL-D050	5.00	127.000	6.0000	152.400	0.5000	12.700	0.454	19,305	9,074	55,781	21,663	3,640	KD050AR0	SD050AR0
LYDL-F050	5.00	127.000	6.5000	165.100	0.7500	19.050	1.043	33,673	18,242	97,283	37,632	3,480	KF050AR0	SF050AR0
LYDL-G050	5.00	127.000	7.0000	177.800	1.0000	25.400	1.950	50,576	30,679	146,035	68,503	3,330	KG050AR0	SG050AR0
LYDL-A055	5.50	139.700	6.0000	152.400	0.2500	6.350	0.113	8,985	3,180	25,889	8,007	3,480	KA055AR0	SA055AR0
LYDL-B055	5.50	139.700	6.1250	155.575	0.3125	7.938	0.186	12,188	4,595	35,230	11,387	3,440	KB055AR0	SB055AR0
LYDL-C055	5.50	139.700	6.2500	158.750	0.3750	9.525	0.268	15,302	6,112	44,126	14,991	3,400	KC055AR0	SC055AR0
LYDL-D055	5.50	139.700	6.5000	165.100	0.5000	12.700	0.481	21,085	9,541	60,852	22,953	3,330	KD055AR0	SD055AR0
LYDL-F055	5.50	139.700	7.0000	177.800	0.7500	19.050	1.134	36,965	19,212	106,668	44,749	3,200	KF055AR0	SF055AR0
LYDL-G055	5.50	139.700	7.5000	190.500	1.0000	25.400	2.132	54,802	31,992	158,223	72,239	3,080	KG055AR0	SG055AR0
LYDL-A060	6.00	152.400	6.5000	165.100	0.2500	6.350	0.127	9,742	3,345	28,113	8,452	3,200	KA060AR0	SA060AR0
LYDL-B060	6.00	152.400	6.6250	168.275	0.3125	7.938	0.200	10,186	4,840	38,388	12,055	3,170	KB060AR0	SB060AR0
LYDL-C060	6.00	152.400	6.7500	171.450	0.3750	9.525	0.286	16,681	6,441	48,130	15,925	3,140	KC060AR0	SC060AR0
LYDL-D060	6.00	152.400	7.0000	177.800	0.5000	12.700	0.526	22,819	9,995	65,923	24,198	3,080	KD060AR0	SD060AR0
LYDL-F060	6.00	152.400	7.5000	190.500	0.7500	19.050	1.225	40,212	20,150	116,099	47,374	2,960	KF060AR0	SF060AR0
LYDL-G060	6.00	152.400	8.0000	203.200	1.0000	25.400	2.313	59,028	33,273	170,367	75,887	2,860	KG060AR0	SG060AR0
LYDL-A065	6.50	165.100	7.0000	177.800	0.2500	6.350	0.136	10,542	3,505	30,381	8,896	2,960	KA065AR0	SA065AR0
LYDL-B065	6.50	165.100	7.1250	180.975	0.3125	7.938	0.213	14,234	5,035	41,102	12,633	2,940	KB065AR0	SB065AR0
LYDL-C065	6.50	165.100	7.2500	184.150	0.3750	9.525	0.308	18,060	6,757	52,133	16,770	2,910	KC065AR0	SC065AR0
LYDL-D065	6.50	165.100	7.5000	190.500	0.5000	12.700	0.553	24,599	10,436	70,994	25,444	2,860	KD065AR0	SD065AR0
LYDL-F065	6.50	165.100	8.0000	203.200	0.7500	19.050	1.315	43,459	21,058	125,529	49,909	2,760	KF065AR0	SF065AR0
LYDL-G065	6.50	165.100	8.5000	215.900	1.0000	25.400	2.449	63,254	34,523	182,555	79,490	2,670	KG065AR0	SG065AR0
LYDL-A070	7.00	177.800	7.5000	190.500	0.2500	6.350	0.141	11,298	3,661	32,650	9,341	2,760	KA070AR0	SA070AR0
LYDL-B070	7.00	177.800	7.6250	193.675	0.3125	7.938	0.227	15,346	5,267	44,304	13,256	2,740	KB070AR0	SB070AR0
LYDL-C070	7.00	177.800	7.7500	196.850	0.3750	9.525	0.331	19,216	7,006	55,469	17,037	2,710	KC070AR0	SC070AR0
LYDL-D070	7.00	177.800	8.0000	203.200	0.5000	12.700	0.594	26,333	10,863	76,065	26,645	2,670	KD070AR0	SD070AR0
LYDL-F070	7.00	177.800	8.5000	215.900	0.7500	19.050	1.451	46,751	21,939	134,915	52,356	2,580	KF070AR0	SF070AR0
LYDL-G070	7.00	177.800	9.0000	228.600	1.0000	25.400	2.631	67,435	35,741	194,743	82,959	2,500	KG070AR0	SG070AR0
LYDL-A075	7.50	190.500	8.0000	203.200	0.2500	6.350	0.154	12,099	3,812	34,874	9,742	2,580	KA075AR0	SA075AR0
LYDL-B075	7.50	190.500	8.1250	206.375	0.3125	7.938	0.240	16,458	5,494	47,463	13,878	2,560	KB075AR0	SB075AR0
LYDL-C075	7.50	190.500	8.2500	209.550	0.3750	9.525	0.354	20,595	7,304	59,517	18,327	2,540	KC075AR0	SC075AR0
LYDL-D075	7.50	190.500	8.5000	215.900	0.5000	12.700	0.640	28,113	11,281	81,136	27,801	2,500	KD075AR0	SD075AR0
LYDL-F075	7.50	190.500	9.0000	228.600	0.7500	19.050	1.542	48,930	22,472	141,187	53,957	2,420	KF075AR0	SF075AR0
LYDL-G075	7.50	190.500	9.5000	241.300	1.0000	25.400	2.767	71,661	36,934	206,887	86,384	2,350	KG075AR0	SG075AR0
LYDL-A080	8.00	203.200	8.5000	215.900	0.2500	6.350	0.172	12,855	3,959	37,143	10,142	2,420	KA080AR0	SA080AR0
LYDL-B080	8.00	203.200	8.6250	219.075	0.3125	7.938	0.259	17,526	5,712	50,621	14,501	2,410	KB080AR0	SB080AR0
LYDL-C080	8.00	203.200	8.7500	222.250	0.3750	9.525	0.381	22,019	7,598	63,521	19,127	2,390	KC080AR0	SC080AR0
LYDL-D080	8.00	203.200	9.0000	228.600	0.5000	12.700	0.694	29,848	11,685	86,207	28,958	2,350	KD080AR0	SD080AR0
LYDL-F080	8.00	203.200	9.5000	241.300	0.7500	19.050	1.588	52,178	23,318	150,617	56,359	2,290	KF080AR0	SF080AR0
LYDL-G080	8.00	203.200	10.0000	254.000	1.0000	25.400	2.948	75,887	38,103	219,075	90,697	2,220	KG080AR0	SG080AR0
LYDL-A090	9.00	228.600	9.5000	241.300	0.2500	6.350	0.200	14,412	4,244	41,635	10,987	2,160	KA090AR0	SA090AR0
LYDL-B090	9.00	228.600	9.6250	244.475	0.3125	7.938	0.299	19,572	6,094	56,492	15,613	2,150	KB090AR0	SB090AR0
LYDL-C090	9.00	228.600	9.7500	247.650	0.3750	9.525	0.426	24,554	8,105	70,860	20,595	2,130	KC090AR0	SC090AR0
LYDL-D090	9.00	228.600	10.0000	254.000	0.5000	12.700	0.780	33,362	12,468	96,348	31,182	2,110	KD090AR0	SD090AR0
LYDL-F090	9.00	228.600	10.5000	266.700	0.7500	19.050	1.769	58,672	24,946	169,433	60,941	2,050	KF090AR0	SF090AR0
LYDL-G090	9.00	228.600	11.0000	279.400	1.0000	25.400	3.266	84,338	40,359	243,407	96,260	2,000	KG090AR0	SG090AR0
LYDL-A100	10.00	254.000	10.5000	266.700	0.2500	6.350	0.227	15,969	4,510	46,128	11,743	1,950	KA100AR0	SA100AR0
LYDL-B100	10.00	254.000	10.6250	269.875	0.3125	7.938	0.331	21,752	6,499	62,809	16,725	1,940	KB100AR0	SB100AR0
LYDL-C100	10.00	254.000	10.7500	273.050	0.3750	9.525	0.481	27,312	8,638	78,867	22,108	1,930	KC100AR0	SC100AR0
LYDL-D100	10.00	254.000	11.0000	279.400	0.5000	12.700	0.853	36,876	13,220	106,490	33,362	1,900	KD100AR0	SD100AR0
LYDL-F100	10.00	254.000	11.5000	292.100	0.7500	19.050	1.950	64,143	26,200	185,135	64,633	1,860	KF100AR0	SF100AR0
LYDL-G100	10.00	254.000	12.0000	304.800	1.0000	25.400	3.583	92,745	42,529	267,738	102,576	1,820	KG100AR0	SG100AR0
LYDL-A110	11.00	279.400	11.5000	292.100	0.2500	6.350	0.236	17,526	4,768	50,621	12,500	1,780	KA110AR0	SA110AR0
LYDL-B110	11.00	279.400	11.6250	295.275	0.3125	7.938	0.340	23,798	6,850	68,681	17,793	1,770	KB110AR0	SB110AR0
LYDL-C110	11.00	279.400	11.7500	298.450	0.3750	9.525	0.526	29,892	9,106	86,251	23,487	1,760	KC110AR0	SC110AR0
LYDL-D110	11.00	279.400	12.0000	304.800	0.5000	12.700	0.934	40,390	13,936	116,632	35,408	1,740	KD110AR0	SD110AR0
LYDL-F110	11.00	279.400	12.5000	317.500	0.7500	19.050	2.177	70,638	27,699	203,951	68,947	1,700	KF110AR0	SF110AR0
LYDL-G110	11.00	279.400	13.0000	330.200	1.0000	25.400	3.901	101,197	44,602	292,070	108,715	1,670	KG110AR0	SG110AR0
LYDL-A120	12.00	304.800	12.5000	317.500	0.2500	6.350	0.254	19,083	5,018	55,113	13,211	1,630	KA120AR0	SA120AR0
LYDL-B120	12.00	304.800	12.6250	320.675	0.3125	7.938	0.376	25,978	7,219	74,997	18,860	1,620	KB120AR0	SB120AR0
LYDL-C120	12.00	304.800	12.7500	323.850	0.3750	9.525	0.567	32,428	9,550	93,591	24,777	1,620	KC120AR0	SC120AR0
LYDL-D120	12.00	304.800	13.0000	330.200	0.5000	12.700	1.021	43,904	14,626	126,774	37,409	1,600	KD120AR0	SD120AR0
LYDL-F120	12.00	304.800	13.5000	342.900	0.7500	19.050	2.359	76,065	28,856	219,653	72,462	1,570	KF120AR0	SF120AR0
LYDL-G120	12.00	304.800	14.0000	355.600	1.0000	25.400	4.218	109,604	46,622	316,447	114,675	1,540	KG120AR0	SG120AR0
LYDL-B140	14.00	355.600	14.6250	371.475	0.3125	7.938	0.476	30,070	7,860	86,740	20,773	1,400	KB140AR0	SB140AR0
LYDL-C140	14.00	355.600	14.7500	374.650	0.3750	9.525	0.689	37,765	10,440	108,981	27,446	1,390	KC140AR0	SC140AR0
LYDL-D140	14.00	355.600	15.0000	381.000	0.5000	12.700	1.238	50,932	15,934	147,058	41,324	1,380	KD140AR0	SD140AR0
LYDL-F140	14.00	355.600	15.5000	393.700	0.7500	19.050	2.722	88,030	31,329	254,171	79,846	1,360	KF140AR0	SF140AR0
LYDL-G140	14.00	355.600	16.0000	406.400	1.0000	25.400	4.899	126,463	50,434	365,110	126,152	1,330	KG140AR0	SG140AR0
LYDL-B160	16.00	406.400	16.6250	422.275	0.3125	7.938	0.544	34,296	8,483	98,973	22,686	1,230	KB160AR0	SB160AR0
LYDL-C160	16.00	406.400	16.7500	425.450	0.3750	9.525	0.785	43,059	11,267	124,328	29,937	1,220	KC160AR0	SC160AR0
LYDL-D160	16.00	406.400	17.0000	431.800	0.5000	12.700	1.406	57,960	17,152	167,342	45,060	1,210	KD160AR0	SD160AR0
LYDL-F160	16.00	406.400	17.5000	444.500	0.7500	19.050	3.221	99,996	33,642	288,645	86,918	1,190	KF160AR0	SF160AR0
LYDL-G160	16.00	406.400	18.0000	457.200	1.0000	25.400	5.579	143,322	54,010	413,774	137,139	1,180	KG160AR0	SG160AR0
LYDL-B180	18.00	457.200	18.6250	473.075	0.3125	7.938	0.612	38,522	9,065	111,161	24,510	1,090	KB180AR0	SB180AR0
LYDL-C180	18.00	457.200	18.7500	476.250	0.3750	9.525	0.880	48,397	12,041	139,719	32,383	1,090	KC180AR0	SC180AR0
LYDL-D180	18.00	457.200	19.0000	482.600	0.5000	12.700	1.579	64,989	18,296	187,626	48,619	1,080	KD180AR0	SD180AR0
LYDL-F180	18.00	457.200	19.5000	495.300	0.7500	19.050	3.583	113,029	36,044	326,322	94,347	1,070	KF180AR0	SF180AR0
LYDL-G180	18.00	457.200	20.0000	508.000	1.0000	25.400	6.214	160,225	57,373	462,615	147,681	1,050	KG180AR0	SG180AR0
LYDL-B200	20.00	508.000	20.6250	523.875	0.3125	7.938	0.680	42,747	9,617	123,349	26,245	980	KB200AR0	SB200AR0
LYDL-C200	20.00	508.000	20.7500	527.050	0.3750	9.525	0.980	53,512	12,735	154,442	34,607	980	KC200AR0	SC200AR0
LYDL-D200	20.00	508.000	21.0000	533.400	0.5000	12.700	1.746	72,017	19,376	207,910	52,089	980	KD200AR0	SD200AR0
LYDL-F200	20.00	508.000	21.5000	546.100	0.7500	19.050	4.037	124,995	38,086	360,840	100,886	960	KF200AR0	SF200AR0
LYDL-G200	20.00	508.000	22.0000	558.800	1.0000	25.400	7.167	177,084	60,549	511,101	157,867	950	KG200AR0	SG200AR0
LYDL-C250	25.00	635.000	25.7500	654.050	0.3750	9.525	1.220	66,279	14,381	192,519	40,078	790	KC250AR0	SC250AR0
LYDL-D250	25.00	635.000	26.0000	660.400	0.5000	12.700	2.173	89,587	21,832	258,620	60,229	780	KD250AR0	SD250AR0
LYDL-F250	25.00	635.000	26.5000	673.100	0.7500	19.050	4.994	154,353	42,636	445,712	116,099	780	KF250AR0	SF250AR0
LYDL-G250	25.00	635.000	27.0000	685.800	1.0000	25.400	8.845	219,208	67,786	632,982	182,021	770	KG250AR0	SG250AR0
LYDL-C300	30.00	762.000	30.7500	781.050	0.3750	9.525	1.456	79,890	15,840	230,640	45,194	660	KC300AR0	SC300AR0
LYDL-D300	30.00	762.000	31.0000	787.400	0.5000	12.700	2.599	107,158	24,007	309,329	67,880	660	KD300AR0	SD300AR0
LYDL-F300	30.00	762.000	31.5000	800.100	0.7500	19.050	5.897	184,779	46,853	533,342	130,911	650	KF300AR0	SF300AR0
LYDL-G300	30.00	762.000	32.0000	812.800	1.0000	25.400	10.569	261,378	74,227	754,418	204,707	650	KG300AR0	SG300AR0
LYDL-F350	35.00	889.000	36.5000	927.100	0.7500	19.050	6.849	215,205	50,630	621,417	144,923	560	KF350AR0	SF350AR0
LYDL-G350	35.00	889.000	37.0000	939.800	1.0000	25.400	12.292	303,547	79,988	876,300	226,592	560	KG350AR0	SG350AR0
LYDL-F400	40.00	1016.000	41.5000	1054.100	0.7500	19.050	7.802	245,631	54,033	709,047	158,268	490	KF400AR0	SF400AR0
LYDL-G400	40.00	1016.000	42.0000	1066.800	1.0000	25.400	13.971	345,716	85,197	998,181	246,609	490	KG400AR0	SG400AR0

Note: Kaydon® and Silverthin® part numbers are used for interchange reference only. LYDL manufactures compatible thin section angular contact ball bearings according to customer drawings, dimensions, load requirements and application conditions. Kaydon® and Silverthin® are registered trademarks of their respective owners.

Equal Section Thin Section Angular Contact Ball Bearings

Product Overview

LYDL Equal Section Thin Section Angular Contact Ball Bearings are precision thin section bearings designed for compact, lightweight, and high-accuracy rotary applications. This bearing series features a constant cross-section structure, which allows the bearing to maintain a compact radial section even when the bore diameter increases. Compared with standard ball bearings, equal section thin section angular contact ball bearings can help reduce equipment weight, save installation space, and improve design flexibility. The angular contact raceway structure allows the bearing to support radial loads and axial loads in one direction. When used as a matched pair, it can support axial loads in both directions and provide higher rigidity for precision rotary systems. This series is widely used in robotics, precision rotary tables, optical instruments, medical equipment, radar antennas, aerospace mechanisms, semiconductor equipment, measuring systems, and automation machinery. LYDL manufactures compatible thin section angular contact ball bearings according to customer drawings, samples, application requirements, and interchange part numbers. Custom options are available for material, precision grade, clearance, preload, lubrication, packaging, and special working conditions.

Product Brief

1. Equal Section Thin Section Angular Contact Ball Bearings feature a constant cross-section angular contact ball bearing structure designed for compact, lightweight, and high-precision rotary applications.
2. Sizes: Bore Diameter: 25.4–1016 mm / 1–40 inch, suitable for precision rotary systems, lightweight mechanisms, robotic joints, optical equipment, and automation machinery.
3. Performance Advantages: Space-saving design; low weight; high axial stiffness; smooth rotation; low friction torque; high running accuracy; suitable for paired mounting arrangements.
4. Material: 52100, SUJ2, 100Cr6, 100CrMn6, GCr15SiMn, GCr15 Bearing Steel.
5. Applications: Robotics, precision rotary tables, optical instruments, medical equipment, radar antennas, aerospace mechanisms, semiconductor equipment, rotary encoders, measuring systems, and automation equipment.
6. Accuracy: P0, P6, P5, P4; customized precision, clearance, and preload are available according to drawings and application requirements.

Structural Features

Constant Cross-Section Design

The main feature of this series is the equal section structure. Within the same bearing series, the cross section remains nearly constant while the bore diameter increases. This helps engineers design larger shaft diameters without significantly increasing the bearing weight or installation space.

Angular Contact Raceway Structure

The angular contact raceway design enables the bearing to support radial load and axial load in one direction. Compared with radial contact thin section bearings, angular contact thin section bearings are more suitable for applications requiring axial stiffness and controlled preload.

Suitable for Matched Pair Arrangement

A single angular contact thin section bearing mainly supports axial load in one direction. For bidirectional axial loads, higher rigidity, or improved moment load resistance, two angular contact bearings can be used as a matched pair. Common mounting arrangements include back-to-back, face-to-face, and tandem configurations.

Lightweight and Space-Saving

Thin section angular contact ball bearings are ideal for compact rotary structures where weight reduction and space saving are important. They are suitable for lightweight equipment, precision mechanisms, robot joints, optical systems, and aerospace applications.

Low Friction and Smooth Rotation

With optimized raceway geometry, precision balls, and controlled internal clearance or preload, LYDL thin section angular contact bearings can provide smooth rotation, low friction torque, and stable running performance.

Custom Manufacturing Options

LYDL can customize thin section angular contact ball bearings according to application requirements, including dimensions, material, cage type, lubrication, precision grade, clearance, preload, packaging, and special marking.

Technical Parameters Table

The following table lists common LYDL equal section thin section angular contact ball bearing models, including bore diameter, outside diameter, width, weight, radial load rating, thrust load rating, limiting speed, and interchange references. Recommended Table Title: LYDL Equal Section Thin Section Angular Contact Ball Bearings Technical Parameters Recommended Table Columns: Model | d in | d mm | D in | D mm | B in | B mm | Weight kg | Radial Static Co N | Radial Dynamic Cr N | Thrust Static Co N | Thrust Dynamic Cr N | Limiting Speed RPM | Kaydon Equivalent | Silverthin Equivalent Please insert the full technical parameter table here.

Typical Applications

LYDL equal section thin section angular contact ball bearings are used in precision equipment where compact structure, low weight, smooth rotation, and axial rigidity are required. Typical applications include: Robotics and robot joints Precision rotary tables Optical instruments Medical imaging equipment Radar and antenna systems Aerospace mechanisms Semiconductor equipment Rotary encoders Measuring instruments Precision gimbals Automation machinery Lightweight rotary platforms Inspection systems Positioning systems For equipment requiring higher stiffness, bidirectional axial load support, or improved moment load resistance, matched pair angular contact thin section bearings are usually recommended.

Selection Guide

Selecting the correct thin section angular contact ball bearing depends on load direction, installation space, rigidity requirement, speed, precision grade, lubrication method, and working environment.

Load Direction

Angular contact thin section bearings are suitable for applications that require radial load support and axial load capacity in one direction. If axial load exists in both directions, a matched pair should be considered.

Rigidity Requirement

For high-rigidity rotary systems, matched pair angular contact bearings are recommended. Back-to-back mounting usually provides higher moment stiffness, while face-to-face mounting can improve alignment tolerance in some applications.

Cross-Section Series

The same bore diameter may be available in different cross sections, such as A, B, C, D, F, and G series. Smaller cross sections are better for lightweight and compact designs, while larger cross sections usually provide higher load capacity and stiffness.

Precision Grade

For general industrial applications, standard precision may be sufficient. For robot joints, optical systems, measuring equipment, and precision rotary tables, P5 or P4 accuracy can be selected according to the required running accuracy and rotational stability.

Clearance and Preload

Clearance and preload directly affect bearing stiffness, friction torque, temperature rise, and service life. Excessive preload may increase torque and heat generation, while insufficient preload may reduce rigidity and positioning accuracy. LYDL can supply customized clearance or preload according to customer requirements.

Speed and Lubrication

For high-speed applications, lubrication, cage design, preload, installation accuracy, and heat dissipation should be carefully considered. Grease lubrication is commonly used for general precision equipment, while special lubrication solutions can be discussed for specific working conditions.

Required Information for Model Selection

To recommend the most suitable model, please provide the bearing model or drawing, bore diameter, outside diameter, width, load conditions, speed, precision grade, clearance or preload requirement, lubrication method, and application environment.

Interchange Reference

LYDL manufactures compatible thin section angular contact ball bearings according to drawings, samples, or interchange part numbers. The models in this series can be used as replacement reference for common thin section angular contact bearing series. Common interchange references include: KA Series Angular Contact Thin Section Bearings KB Series Angular Contact Thin Section Bearings KC Series Angular Contact Thin Section Bearings KD Series Angular Contact Thin Section Bearings KF Series Angular Contact Thin Section Bearings KG Series Angular Contact Thin Section Bearings Common model references include: KA020AR0 KB040AR0 KC080AR0 KD120AR0 KD160AR0 KF200AR0 KG250AR0 KF300AR0 KG400AR0 Note: Kaydon® and Silverthin® part numbers are used for interchange reference only. LYDL manufactures compatible thin section angular contact ball bearings according to customer drawings, dimensions, load requirements, and application conditions. Kaydon® and Silverthin® are registered trademarks of their respective owners.

Quality Assurance

LYDL controls the quality of equal section thin section angular contact ball bearings through material inspection, precision machining, heat treatment, raceway grinding, dimensional measurement, clearance or preload control, assembly inspection, and final running tests. Key inspection items can include: Material inspection Hardness inspection Dimensional accuracy inspection Raceway surface quality inspection Roundness and runout inspection Clearance or preload verification Rotational torque inspection Noise and vibration inspection Appearance inspection Anti-rust and packaging inspection For precision applications, LYDL can provide P5 and P4 grade bearings with stricter dimensional control and improved running accuracy. Inspection reports can be provided according to customer requirements.

Manufacturing Process

LYDL follows a controlled manufacturing process to ensure stable quality and reliable bearing performance. Typical manufacturing process: Raw material inspection Forging or ring blank preparation Precision turning Heat treatment and stabilization Precision grinding Raceway grinding Raceway superfinishing Cleaning and demagnetization Ball and cage preparation Bearing assembly Clearance or preload adjustment Lubrication Running test Final inspection Anti-rust treatment Packaging and shipment Each process is controlled to help ensure smooth rotation, stable load performance, accurate dimensions, and reliable service life.

Installation & Maintenance

Correct installation is important for the performance and service life of thin section angular contact ball bearings. Improper installation, excessive fitting force, contamination, misalignment, or incorrect preload may affect bearing accuracy and cause abnormal torque, noise, or early failure.

Installation Recommendations

Keep the bearing, shaft, housing, and installation tools clean. Check shaft and housing accuracy before installation. Avoid direct impact on the bearing rings. Apply force only to the ring being fitted. Confirm mounting direction for angular contact bearings. For matched pairs, confirm the arrangement before installation. Avoid excessive preload during installation. Tighten mounting components evenly when required. Rotate the bearing slowly after installation to check smooth running.

Maintenance Recommendations

Use suitable lubrication according to speed, temperature, and working environment. Avoid dust, metal chips, moisture, and other contamination. Check bearing running condition regularly in precision equipment. Avoid overloading and excessive impact load. For long-term storage, keep the bearing sealed, dry, and protected from corrosion. For precision rotary applications, installation accuracy and preload control are especially important. If the bearing is used in a matched pair or high-precision mechanism, please confirm the mounting method with LYDL before installation.

Packaging & Shipping

LYDL provides protective packaging suitable for domestic and export shipment. Bearings are treated with anti-rust protection and packed according to size, precision grade, shipping method, and customer requirements. Packaging options include: Anti-rust oil or anti-rust film Plastic bag or vacuum packaging Individual box packaging Foam or shockproof protection Export carton Wooden case for large-size bearings Neutral packaging LYDL brand packaging Customized label and marking Shipping methods include: Express delivery Air freight Sea freight Railway shipment Customer-designated forwarder Customized packaging, private label, barcode label, model marking, and customer-required shipping marks are available.

FAQ

What is an equal section thin section angular contact ball bearing?

It is a precision thin section bearing with a constant cross-section design and angular contact raceway structure. It is used to save space, reduce weight, and support radial load together with axial load in one direction.

What is the difference between angular contact and radial contact thin section bearings?

Angular contact thin section bearings can support axial load in one direction in addition to radial load. Radial contact thin section bearings are mainly used for radial loads. For higher axial stiffness, angular contact type is usually preferred.

Can a single angular contact thin section bearing support axial load in both directions?

A single angular contact bearing mainly supports axial load in one direction. For axial loads in both directions, two bearings should be used as a matched pair.

Can LYDL provide matched pair thin section angular contact bearings?

Yes. LYDL can supply matched pair angular contact thin section bearings according to preload, mounting arrangement, precision grade, and application requirements.

What materials are available?

LYDL can manufacture this series using 52100, SUJ2, 100Cr6, 100CrMn6, GCr15SiMn, and GCr15 bearing steel according to customer requirements.

What precision grades are available?

Available precision grades include P0, P6, P5, and P4. Customized precision and running accuracy requirements can be discussed according to the application.

Can LYDL manufacture bearings according to Kaydon or Silverthin interchange part numbers?

Yes. LYDL can manufacture compatible thin section angular contact ball bearings according to drawings, samples, or interchange part numbers. These part numbers are used only as reference for dimensions and replacement selection.

What information is needed for quotation?

Please provide the bearing model, interchange part number, drawing, quantity, precision grade, clearance or preload requirement, material, lubrication requirement, and application conditions.

Request a Quote

Looking for equal section thin section angular contact ball bearings for robotics, precision rotary tables, optical equipment, medical devices, aerospace mechanisms, radar antennas, or automation machinery? LYDL can provide standard and customized thin section angular contact ball bearings according to your drawings, samples, or interchange part numbers. Please send us the following information for a fast quotation: Bearing model or interchange part number Required quantity Drawing or installation dimensions Precision grade Material requirement Clearance or preload requirement Speed and load conditions Lubrication requirement Application environment Packaging and marking requirements Contact LYDL today to get technical support, model selection assistance, and a competitive quotation for equal section thin section angular contact ball bearings.