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Type X - Opened Thin Section Four Point Contact Ball Bearings

Features: Type X-Thin section four point contact ball bearings are unique in that their extremely thin cross section enables them to provide great size and weight reductions for light to medium duty applications with slow or intermittent rotation. The special features of the thin section bearings enable customers to downsize their design and cut manufacturing costs without sacrificing bearing performance or life. Our company can provide two types of open bearings and sealed bearings to meet the different needs of customers.
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Details HKAA HKA HKB HKC HKD HKF HKG Related Products
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Type X-Thin section four point contact ball bearings can carry radial load and axial load in double directions. One thin four point contact bearing can replace the two angular contact ball bearings. Thin Section Four Point Contact Ball Bearing bore diameter ranges from 1 inch to 40 inch, cross section ranges from 0.1875 × 0.1875 inch to 1.000 × 1.000 inch. 
 
Thin-section sealed four-point contact ball bearing is also designed for mounting sealing device on both sides on the basis of thin-section four-point contact ball bearing. We have many options for the structural form of the sealing device. Although the speed is lower than thin-section four-point contact ball bearing, but in some area which the bearing is required anti-friction & clean & well lubricated, then , double sealed or single deep groove bearings is optimal choice.

HKAA
OPEN -- Four Point Contact - HKAA series
Type Dimension(inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKAA010X 1 1.375 1.142 1.236 1290 1100 3250 1650 0.012
25.4 34.925 29 31.4
HKAA015X 1.5 1.875 1.642 1.736 1780 1320 4450 2050 0.018
38.1 47.625 41.7 44.1
HKA
OPEN -- Four Point Contact - HKA series
Type Dimension(inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKA020X 2 2.5 2.186 2.314 1650 2280 7600 3510 0.048
50.8 63.5 55.5 58.8
HKA025X 2.5 3 2.686 2.814 690 2590 9290 4050 0.059
63.5 76.2 68.2 71.5
HKA030X 3 3.5 3.186 3.314 4400 2860 10980 4490 0.068
76.2 88.9 80.9 84.2
HKA035X 3.5 4 3.686 3.814 5070 3120 12670 4930 0.082
88.9 101.6 93.6 96.9
HKA040X 4 4.5 4.186 4.314 5730 3360 14310 5380 0.09
101.6 114.3 106.3 109.6
HKA042X 4.25 4.75 4.436 4.564 6090 3480 15160 5600 0.095
107.95 120.65 112.7 115.9
HKA045X 4.5 5 4.686 4.814 6400 3600 16000 5820 0.1
114.3 127 119 122.3
HKA047X 4.75 5.25 4.936 5.064 6760 3710 16850 6000 0.104
120.65 133.35 125.4 128.6
HKA050X 5 5.5 5.186 5.314 7070 3820 17690 6220 0.109
127 139.7 131.7 135
HKA055X 5.5 6 5.686 5.814 7780 4040 19380 6580 0.118
127 139.7 131.7 135
HKA060X 6 6.5 6.186 6.314 8450 4250 21070 6980 0.13
152.4 165.1 157.1 160.4
HKA065X 6.5 7 6.686 6.814 9110 4450 22760 7330 0.14
165.1 177.8 169.8 173.1
KHA070X 7 7.5 7.186 7.314 9780 4650 24450 7690 0.15
177.8 190.5 182.5 185.8
HKA075X 7.5 8 7.686 7.814 10450 4840 26140 8050 0.16
190.5 203.2 195.2 198.5
HKA080X 8 8.5 8.186 8.314 11110 5030 27830 8400 0.172
203.2 215.9 207.9 211.2
HKA090X 9 9.5 9.186 9.314 12490 5390 31200 9070 0.2
228.6 241.3 233.3 236.6
HKA100X 10 10.5 10.186 10.314 13820 5730 34580 9690 0.227
254 266.7 258.7 262
HKA110X 11 11.5 11.186 11.314 15160 6050 37960 10310 0.236
279.4 292.1 284.1 287.4
HKA120X 12 12.5 12.186 12.314 16540 6370 41340 10890 0.254
304.8 317.5 309.5 312.8
HKB
OPEN -- Four Point Contact - HKB series
Type Dimension (inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKB020X 2 2.625 2.231 2.393 4130 3370 10400 5020 0.073
50.8 66.675 56.7 60.8
HKB025X 2.5 3.125 2.731 2.893 5070 3770 12620 5730 0.091
63.5 79.375 69.4 73.5
HKB030X 3 3.625 3.231 3.393 5960 4150 14890 6400 0.109
76.2 92.075 82.1 86.2
HKB035X 3.5 4.125 3.731 3.893 6850 4510 17160 7070 0.125
88.9 104.775 94.8 98.9
HKB040X 4 4.625 4.432 4.393 7780 4850 19430 7650 0.14
101.6 117.475 107.5 111.6
HKB042X 4.2 4.875 4.481 4.643 8130 4980 20310 7910 0.147
107.95 123.825 113.8 117.9
HKB045X 4.5 5.125 4.731 4.893 8670 5180 21690 8220 0.16
114.3 130.175 120.2 124.3
HKB047X 4.75 5.375 4.981 5.143 9020 5300 22580 8450 0.163
120.65 136.525 126.6 130.6
HKB050X 5 5.625 5.231 5.393 9560 5490 23910 8800 0.172
127 142.875 132.9 137
HKB055X 5.5 6.125 5.731 5.893 10490 5800 26180 9340 0.186
139.7 155.575 145.6 149.7
HKB060X 6 6.625 6.231 6.393 11380 6090 28450 9870 0.205
152.4 168.275 158.3 162.4
HKB065X 6.5 7.125 6.731 6.893 12270 6380 30720 10400 0.216
165.1 180.975 171 175.1
HKB070X 7 7.625 7.231 7.393 13200 6660 32980 10890 0.232
177.8 193.675 183.7 187.8
HKB075X 7.5 8.125 7.731 7.893 14090 6930 35200 11380 0.25
190.5 206.375 196.4 200.5
HKB080X 8 8.625 8.231 8.393 14980 7190 37470 11870 0.262
203.2 219.075 209.1 213.2
HKB090X 9 9.625 9.231 9.393 16800 7700 42000 12800 0.3
228.6 244.475 234.5 238.6
HKB100X 10 10.625 10.231 10.393 18620 8180 46500 13690 0.331
254 269.875 259.9 264
HKB110X 11 11.625 11.231 11.393 20400 8650 51030 14580 0.36
279.4 295.275 285.3 289.4
HKB120X 12 12.625 12.231 12.393 22230 9090 55560 15420 0.39
304.8 320.675 310.7 314.8
HKB140X 14 14.625 14.231 14.393 25830 9930 64590 17070 0.476
355.6 371.475 361.5 365.6
HKB160X 16 16.625 16.231 16.393 29430 10710 73610 18630 0.544
406.4 422.275 412.3 416.4
HKB180X 18 18.625 18.231 18.393 33070 11450 82630 20090 0.612
457.2 473.075 463.1 467.2
HKB200X 20 20.625 20.231 20.393 36670 12140 91660 21560 0.68
508 523.875 513.9 518
HKC
OPEN -- Four Point Contact - HKC series
Type Dimension (inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKC040X 4 4.75 4.277 4.473 9340 6300 23380 9820 0.204
101.6 120.65 108.6 111.6
HKC042X 4.25 5 4.527 4.723 9870 6510 24710 10180 0.213
107.95 127 115 120
HKC045X 4.5 5.25 4.777 4.973 10400 6710 26050 10580 0.225
114.3 133.35 121.3 126.3
HKC047X 4.75 5.5 5.027 5.223 10940 6920 27380 10940 0.235
120.65 139.7 127.7 132.7
HKC050X 5 5.75 5.277 5.473 11510 7110 28720 11290 0.263
127 146.05 134 139
HKC055X 5.5 6.25 5.777 5.973 12580 7500 31380 11960 0.268
139.7 158.75 146.7 151.7
HKC060X 6 6.75 6.277 6.473 13650 7870 34050 12620 0.295
152.4 171.45 159.4 164.4
HKC065X 6.5 7.25 6.777 6.973 14710 8230 36760 13290 0.312
165.1 184.15 172.1 177.1
HKC070X 7 7.75 7.277 7.473 15780 8580 39430 13910 0.34
177.8 196.85 184.8 189.8
HKC075X 7.5 8.25 7.777 7.973 16850 8920 42090 14540 0.36
190.5 209.55 197.5 202.5
HKC080X 8 8.75 8.277 8.473 17910 9250 44760 15160 0.387
203.2 222.25 210.2 215.2
HKC090X 9 9.75 9.277 9.473 20050 9900 50100 16310 0.45
228.6 247.65 235.6 240.6
HKC100X 10 10.75 10.277 10.473 22180 10510 55430 17470 0.481
254 273.05 261 266
HKC110X 11 11.75 11.277 11.473 24310 11100 60810 18580 0.526
279.4 298.45 286.4 291.4
HKC120X 12 12.75 12.277 12.473 26450 11660 66140 19650 0.567
304.8 323.85 311.8 316.8
HKC140X 14 14.75 14.277 14.473 30720 12720 76810 21740 0.689
355.6 374.65 362.6 367.6
HKC160X 16 16.75 16.277 16.473 35030 13720 87520 23690 0.785
406.4 425.45 413.4 418.4
HKC180X 18 18.75 18.277 18.473 39290 14650 98190 25600 0.88
457.2 476.25 464.2 469.2
HKC200X 20 20.75 20.277 20.473 43560 15520 108900 27430 0.98
508 527.05 515 520
HKD
OPEN -- Four Point Contact - HKD series
Type Dimension (inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKD040X 4 5 4.37 4.63 13690 10270 34230 15650 0.366
101.6 127 111 117.6
HKD042X 4.25 5.25 4.62 4.88 14180 10470 35470 16000 0.386
107.95 133.35 117.3 124
HKD045X 4.5 5.5 4.87 5.13 15200 10910 38010 16760 0.405
114.3 139.7 123.7 130.3
HKD047X 4.75 5.75 5.12 5.38 15690 11100 39290 17160 0.426
120.65 146.05 130 136.7
HKD050X 5 6 5.37 5.63 16710 11520 41830 17870 0.454
127 152.4 136.4 143
HKD055X 5.5 6.5 5.87 6.13 18230 12110 45610 18940 0.485
139.7 165.1 149.1 155.7
HKD060X 6 7 6.37 6.63 19780 12690 49430 19960 0.526
152.4 177.8 161.8 168.4
HKD065X 6.5 7.5 6.87 7.13 21290 13520 53210 20980 0.566
165.1 190.5 174.5 181.1
HKD070X 7 8 7.37 7.63 22800 13790 57020 21960 0.606
177.8 203.2 187.2 193.8
HKD075X 7.5 8.5 7.87 8.13 24310 14320 60810 22940 0.65
190.5 215.9 199.9 206.5
HKD080X 8 9 8.37 8.63 25830 14840 64630 23870 0.694
203.2 228.6 212.6 219.2
HKD090X 9 10 9.37 9.63 28890 15830 72230 25740 0.78
228.6 254 238 244.6
HKD100X 10 11 10.37 10.63 31920 16790 79830 27520 0.853
254 279.4 263.4 270
HKD110X 11 12 11.37 11.63 34980 17700 87430 29200 0.934
279.4 304.8 288.8 295.4
HKD120X 12 13 12.37 12.63 38010 18570 95030 30890 1.02
304.8 330.2 314.2 320.8
HKD140X 14 15 14.37 14.63 44090 20230 110240 34090 1.24
355.6 381 365 371.6
HKD160X 16 17 16.37 16.63 50180 21780 125440 37160 1.41
457.2 482.6 466.6 473.2
HKD180X 18 19 18.37 18.63 56230 23230 140640 40140 1.58
457.2 482.6 466.6 473.2
HKD200X 20 21 20.37 20.63 62320 24600 155840 42980 1.75
508 533.4 517.4 524
HKF
OPEN -- Four Point Contact - HKF series
Type Dimension (inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKF040X 4 5.5 4.555 4.945 23830 20740 59560 30360 0.875
101.6 139.7 115.7 125.6
HKF042X 4.25 5.75 4.805 5.195 25070 21310 62720 31430 0.93
107.95 146.05 122 132
HKF045X 4.5 6 5.055 5.445 26360 21880 65830 32450 0.975
114.3 152.4 128.4 138.3
HKF047X 4.75 6.25 5.305 5.695 27600 22440 68990 33470 1.04
120.65 158.75 134.7 144.7
HKF050X 5 6.5 5.555 5.945 28850 22990 72100 34490 1.09
127 165.1 141.1 151
HKF055X 5.5 7 6.055 6.445 31340 24070 78370 36450 1.18
139.7 177.8 153.8 163.7
HKF060X 6 7.5 6.555 6.945 33870 25120 84680 38360 1.24
152.4 190.5 166.5 176.4
HKF065X 6.5 8 7.055 7.445 36360 26140 909050 40230 1.35
165.1 203.2 179.2 189.1
HKF070X 7 8.5 7.555 7.945 38890 27130 97210 42050 1.45
177.8 215.9 191.9 201.8
HKF075X 7.5 9 8.055 8.445 41380 28110 103480 43870 1.56
190.5 228.6 204.6 214.5
HKF080X 8 9.5 8.555 8.945 43920 29050 109750 456010 1.66
203.2 241.3 217.3 227.2
HKF090X 9 10.5 9.555 9.945 48900 30880 122280 49030 1.81
228.6 366.7 242.7 252.6
HKF100X 10 11.5 10.555 10.945 53920 32640 134820 52320 2.02
254 292.1 268.1 278
HKF110X 11 12.5 11.555 11.945 58940 34320 147350 55520 2.18
279.4 317.5 293.5 303.4
HKF120X 12 13.5 12.555 12.945 64960 35930 159890 58630 2.38
304.8 342.9 318.9 328.8
HKF140X 14 15.5 14.555 14.945 74010 39010 185000 64590 2.72
355.6 393.7 369.7 379.6
HKF160X 16 17.5 16.555 16.945 84010 41880 210070 70320 3.22
406.4 444.5 420.5 430.4
HKF180X 18 19.5 18.555 18.945 94060 44580 235140 75830 3.58
457.2 495.3 471.3 481.2
HKF200X 20 21.5 20.555 20.945 104100 47130 260260 81120 4.04
508 546.1 522.1 532
HKG
OPEN -- Four Point Contact - HKG series
Type Dimension (inch/mm) Basic Load Ratings(N) Weight
（Kg）
d D L1 L2 Radial Thrust
Cor Cr Coa Ca
HKG040X 4 6 4.742 5.258 36490 35190 91210 50050 1.65
101.6 152.4 120.4 133.6
HKG042X 4.25 6.25 4.992 5.508 36490 35470 91210 50050 1.75
107.95 158.75 126.8 139.9
HKG045X 4.5 6.5 5.242 5.758 38940 36470 97300 52230 1.81
114.3 165.1 133.1 146.3
HKG047X 4.75 6.75 5.492 6.008 41340 37730 103390 54360 1.91
120.65 171.45 139.5 152.6
HKG050X 5 7 5.742 6.258 43780 38950 109440 56500 2.02
127 177.8 145.8 159
HKG055X 5.5 7.5 6.242 6.758 46230 39910 115530 58590 2.17
139.7 190.5 158.5 171.7
HKG060X 6 8 6.742 7.258 51070 42240 127710 62630 2.31
152.4 203.2 171.2 184.4
HKG065X 6.5 8.5 7.242 7.758 53520 43180 133800 64590 2.47
165.1 215.9 183.9 197.1
HKG070X 7 9 7.742 8.258 58360 45380 145930 68450 2.67
177.8 228.6 196.6 209.8
HKG075X 7.5 9.5 8.242 8.758 60810 46270 152020 70320 2.83
190.5 241.3 209.3 222.5
HKG080X 8 10 8.742 9.258 65650 48370 164200 74010 3
230.2 254 222 235.2
HKG090X 9 11 9.742 10.258 72990 51240 182420 79430 3.3
228.6 254 222 235.2
HKG100X 10 12 10.742 11.258 80230 54000 200650 84630 3.65
254 304.8 272.8 286
HKG110X 11 13 11.742 12.258 87570 56630 218920 89700 3.96
279.4 330.2 298.2 311.4
HKG120X 12 14 12.742 13.258 94860 59190 237140 94590 4.32
304.8 355.6 323.6 336.8
HKG140X 14 16 14.742 15.258 109440 64030 273630 104060 4.96
355.6 406.4 374.4 387.6
HKG160X 16 18 16.742 17.258 124060 68570 310130 113130 5.65
406.4 457.2 425.2 438.4
HKG180X 18 20 18.742 19.258 138640 72840 346620 121840 6.28
457.2 508 476 489.2
HKG200X 20 22 20.742 21.258 153220 76870 383070 130240 7.53
508 558.8 526.8 540
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Luoyang Huigong Bearing Technology Co., Ltd. -- Your global bearing expert
A large bearing factory established in Luoyang with over 30 years of experience
About us
Company introduction Factory pictures Certification Technical support Our Customers
Products
Thin section bearings Tapered roller bearings Cylindrical roller bearings Slewing bearings Ball bearings Cross roller bearings Thrust bearings Spherical bearings Rollers
Contact us
Email: [email protected]
Tel: +86-379-65793878
Fax: +86-379-65793877
Address:NO.999,Guanlin Road,Luolong District,Luoyang City, Henan province, China
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