A Type-Thin Section Angular Contact Bearings( Open )

Raydafon Group presents A Type-Thin Section Angular Contact Bearings (Open), engineered for high-precision machinery demanding compact, lightweight solutions. With a thin-section design and angular contact for superior load handling, these bearings reduce friction and enhance durability in robotics, aerospace, and medical equipment. Experience smoother operation and increased efficiency, solving space and weight constraints while delivering reliable performance. Choose Raydafon for innovative bearing technology that sets you apart.

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Product Description

A Type-Thin Section Angular Contact Bearings( Open )The difference between A Type-thin section angular contact bearings( Open ) and standard angular contact ball bearings is that the section size is designed to be single, and the section bearing and legal size are unchanged in a series. It does not increase with pore size. Therefore, this angular contact opens a thin section bearing called a constant-section thin-wall bearing. The designer could standardize on standard components using the same thin-section bearings throughout a product line.A Type-thin section angular contact bearings( Open ) bore diameter ranges from 1 to 40 inches, and a Cross-section ranges from 0.1875 × 0.1875 inches to 1.000 × 1.000 inches.Thin section bearings are designed to save space, decrease the overall weight, dramatically reduce friction, and provide excellent running accuracy. The unique features of the thin section bearings enable customers to downsize their design and cut manufacturing costs without sacrificing bearing performance or life.

Technical data

(1) HKAA series & HKA series

HKAA series										WeightKg
Type	Dimension(inch/mm)					Basic Load Ratings(N)
	d	D	L1	L2	L3	Radial		Thrust
	d	D	L1	L2	L3	Cor	Cr	Coa	Ca
HKAA010A	1.000 25.4	1.375 34.925	1.142 29.0	1.236 31.4	1.274 32.4	1510	670	4310	2000	0.011
HKAA015A	1.500 38.1	1.875 47.625	1.642 41.7	1.736 44.1	1.774 45.1	2130	890	6130	3250	0.017

HKA series										WeightKg
Type	Dimension(inch/mm)					Basic Load Ratings(N)
	d	D	L1	L2	L3	Radial		Thrust
	d	D	L1	L2	L3	Cor	Cr	Coa	Ca
HKA020A	2.000 50.8	2.500 63.5	2.186 55.5	2.314 58.8	2.369 60.2	3510	1470	10140	4270	0.045
HKA025A	2.500 63.5	3.000 76.2	2.686 68.2	2.814 71.5	2.869 72.9	4270	1690	12360	4890	0.054
HKA030A	3.000 76.2	3.500 88.9	3.186 80.9	3.314 84.2	3.367 85.6	5070	1910	14620	5470	0.064
HKA035A	3.500 88.9	4.000 101.6	3.386 93.6	3.814 96.9	3.867 98.2	5830	2090	16850	6000	0.077
HKA040A	4.000 101.6	4.500 114.3	4.186 106.3	4.314 109.6	4.367 110.9	6630	2270	19110	6530	0.086
HKA042A	4.250 107.95	4.750 120.65	4.436 112.7	4.564 115.9	4.615 117.2	7020	2360	20230	6800	0.091
HKA045A	4.500 114.3	5.000 127	4.686 119	4.814 122.3	4.865 123.6	7380	2450	21380	7020	0.095
HKA047A	4.750 120.65	5.250 133.35	4.936 125.4	5.064 128.6	5.115 129.9	7780	2530	22490	7290	0.100
HKA050A	5.000 127.0	5.500 139.7	5.186 131.7	5.314 135.0	5.365 136.3	8180	2620	23600	7510	0.104
HKA055A	5.500 139.7	6.000 152.4	5.686 144.4	5.814 147.7	5.863 148.9	8980	2760	25870	8000	0.113
HKA060A	6.000 152.4	6.500 165.1	6.186 157.1	6.314 160.4	6.363 161.6	9740	2930	28090	8450	0.127
HKA065A	6.500 165.1	7.000 177.8	6.686 169.8	6.814 173.1	6.861 172.3	10540	3070	30360	8890	0.136
HKA070A	7.000 177.8	7.500 190.5	7.186 182.5	7.314 185.8	7.361 187.0	11290	3250	32630	9340	0.145
HKA075A	7.500 190.5	8.000 203.2	7.686 195.2	7.814 198.5	7.861 199.7	12090	3380	34850	9740	0.154
HKA080A	8.000 203.2	8.500 215.9	8.186 207.9	8.314 211.2	8.359 212.3	12850	3510	37120	10140	0.163
HKA090A	9.000 228.6	9.500 241.3	9.186 233.3	9.314 236.6	9.357 237.7	14400	3780	41610	10980	0.186
HKA100A	10.000 254.0	10.500 266.7	10.186 258.7	10.314 262.0	10.355 263.0	15960	4050	46100	11740	0.204
HKA110A	11.000 279.4	11.500 292.1	11.186 284.1	11.314 287.4	11.353 288.4	17510	4310	50580	12490	0.227
HKA120A	12.000 304.8	12.500 317.5	12.186 309.5	12.314 312.8	12.349 313.7	19070	4580	55070	55070	0.245

(2) HKB series

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HKB series										WeightKg
Type	Dimension(inch/mm)					Basic Load Ratings(N)
	d	D	L1	L2	L3	Radial		Thrust
	d	D	L1	L2	L3	Cor	Cr	Coa	Ca
HKB020A	2.000 50.8	2.625 66.675	2.231 56.7	2.393 60.8	2.464 62.6	4850	2130	14000	6130	0.068
HKB025A	2.500 63.5	3.125 79.375	2.731 69.4	2.893 73.5	2.964 75.3	5960	2450	17160	7070	0.086
HKB030A	3.000 76.2	3.625 92.075	3.231 82.1	3.393 86.2	3.462 87.9	6890	2710	19870	7780	0.100
HKB035A	3.500 88.9	4.125 104.775	3.731 94.8	3.893 98.9	3.962 100.6	7960	2980	23030	8580	0.122
HKB040A	4.000 101.6	4.625 117.475	4.432 107.5	4.393 111.6	4.460 113.3	9070	3250	26180	9340	0.136
HKB042A	4.200 107.95	4.875 123.825	4.481 113.8	4.643 119.6	4.710	9560	3330	27560	9650	0.141
HKB045A	4.500 114.3	5.125 130.175	4.731 120.2	4.893 124.3