Open Ball Bearings

Ball Bearing Features

  • AISI 52100 steel rings and balls standard
  • Available in 440C and M-50 steel
  • Circular pocket separator
  • Singles, pairs, tri-sets and quad sets available
  • Specialty lubricants available
Part # Bore OD Width Width 2 Width Bi Width BO Closure Raceway Contact Angle Ball Type Lube Flange Diameter Flange Width Dynamic Kaydon Radial (lbs) Dynamic ISO Radial (lbs) Dynamic Radial (lbs) Dynamic Thrust (lbs) Static Radial (lbs) Static Thrust (lbs) Add To Quote
KAA10AG0 1 1.375 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 194 590 N/A 450 340 970

KAA15AG0 1.5 1.875 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 238 681 N/A 560 480 1380

KAA17AG0 1.75 2.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 251 697 N/A 600 530 1520

KA020AR0 2 2.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 405 1065 N/A 960 790 2280

KA025AR0 2.5 3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 459 1150 N/A 1100 960 2780

KA030AR0 3 3.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 507 1225 N/A 1230 1140 3290

KA035AR0 3.5 4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 552 1292 N/A 1350 1310 3790

KA040AR0 4 4.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 595 1353 N/A 1470 1490 4300

KA042AR0 4.25 4.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 616 1382 N/A 1530 1580 4550

KA045AR0 4.5 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 637 1410 N/A 1580 1660 4810

KA047AR0 4.75 5.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 657 1437 N/A 1640 1750 5060

KA050AR0 5 5.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 676 1463 N/A 1690 1840 5310

KA055AR0 5.5 6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 715 1513 N/A 1800 2020 5820

KA060AR0 6 6.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 752 1561 N/A 1900 2190 6320

KA065AR0 6.5 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 788 1605 N/A 2000 2370 6830

KA070AR0 7 7.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 823 1648 N/A 2100 2540 7340

KA075AR0 7.5 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 857 1689 N/A 2190 2720 7840

KA080AR0 8 8.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 890 1728 N/A 2280 2890 8350

KA090AR0 9 9.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 954 1802 N/A 2470 3240 9360

KA100AR0 10 10.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1014 1871 N/A 2640 3590 10370

KA110AR0 11 11.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1072 1936 N/A 2810 3940 11380

KA120AR0 12 12.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1128 1998 N/A 2970 4290 12390

KB020AR0 2 2.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 601 1520 N/A 1380 1090 3150

KB025AR0 2.5 3.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 675 1650 N/A 1590 1340 3860

KB030AR0 3 3.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 734 1737 N/A 1750 1550 4470

KB035AR0 3.5 4.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 801 1840 N/A 1930 1790 5180

KB040AR0 4 4.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 865 1934 N/A 2100 2040 5890

KB042AR0 4.25 4.875 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 891 1967 N/A 2170 2150 6200

KB045AR0 4.5 5.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 917 2000 N/A 2240 2250 6500

KB047AR0 4.75 5.375 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 951 2051 N/A 2340 2390 6910

KB050AR0 5 5.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 976 2081 N/A 2410 2500 7210

KB055AR0 5.5 6.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1033 2158 N/A 2560 2740 7920

KB060AR0 6 6.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1088 2230 N/A 2710 2990 8630

KB065AR0 6.5 7.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1132 2281 N/A 2840 3200 9240

KB070AR0 7 7.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1184 2347 N/A 2980 3450 9960

KB075AR0 7.5 8.125 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1235 2409 N/A 3120 3700 10670

KB080AR0 8 8.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1284 2469 N/A 3260 3940 11380

KB090AR0 9 9.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1370 2568 N/A 3510 4400 12700

KB100AR0 10 10.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1461 2673 N/A 3760 4890 14120

KB110AR0 11 11.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1540 2760 N/A 4000 5350 15440

KB120AR0 12 12.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1623 2853 N/A 4240 5840 16860

KB140AR0 14 14.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1767 3005 N/A 4670 6760 19500

KB160AR0 16 16.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1907 3154 N/A 5100 7710 22250

KB180AR0 18 18.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2038 3292 N/A 5510 8660 24990

KB200AR0 20 20.625 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2162 3421 N/A 5900 9610 27730

KC040AR0 4 4.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1153 2520 N/A 2770 2550 7360

KC042AR0 4.25 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1194 2580 N/A 2880 2710 7820

KC045AR0 4.5 5.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1234 2637 N/A 2990 2860 8270

KC047AR0 4.75 5.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1274 2693 N/A 3100 3020 8720

KC050AR0 5 5.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1313 2746 N/A 3200 3180 9170

KC055AR0 5.5 6.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1374 2820 N/A 3370 3440 9920

KC060AR0 6 6.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1448 2917 N/A 3580 3750 10820

KC065AR0 6.5 7.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1519 3009 N/A 3770 4060 11720

KC070AR0 7 7.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1575 3071 N/A 3930 4320 12470

KC075AR0 7.5 8.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1642 3156 N/A 4120 4630 13380

KC080AR0 8 8.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1708 3236 N/A 4300 4950 14280

KC090AR0 9 9.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1822 3366 N/A 4630 5520 15930

KC100AR0 10 10.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1942 3508 N/A 4970 6140 17730

KC110AR0 11 11.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2047 3621 N/A 5280 6720 19390

KC120AR0 12 12.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2147 3729 N/A 5570 7290 21040

KC140AR0 14 14.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2347 3946 N/A 6170 8490 24500

KC160AR0 16 16.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2533 4144 N/A 6730 9680 27950

KC180AR0 18 18.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2707 4326 N/A 7280 10880 31410

KC200AR0 20 20.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2863 4484 N/A 7780 12030 34720

KC250AR0 25 25.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3233 4863 N/A 9010 14900 43280

KC300AR0 30 30.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3561 5196 N/A 10160 17960 51850

KD040AR0 4 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1819 3708 N/A 4260 3550 10260

KD042AR0 4.25 5.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1876 3786 N/A 4420 3750 10830

KD045AR0 4.5 5.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1931 3861 N/A 4570 3950 11400

KD047AR0 4.75 5.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1986 3934 N/A 4720 4150 11970

KD050AR0 5 6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2040 4004 N/A 4870 4340 12540

KD055AR0 5.5 6.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2145 4138 N/A 5160 4740 13680

KD060AR0 6 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2247 4264 N/A 5440 5130 14820

KD065AR0 6.5 7.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2346 4384 N/A 5720 5530 15960

KD070AR0 7 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2442 4499 N/A 5990 5920 17100

KD075AR0 7.5 8.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2536 4608 N/A 6250 6320 18240

KD080AR0 8 9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2627 4713 N/A 6510 6710 19380

KD090AR0 9 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2803 4911 N/A 7010 7500 21660

KD100AR0 10 11 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2972 5096 N/A 7500 8290 23940

KD110AR0 11 12 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3133 5270 N/A 7960 9080 26220

KD120AR0 12 13 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3288 5434 N/A 8420 9870 28500

KD140AR0 14 15 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3582 5739 N/A 9290 11450 33060

KD160AR0 16 17 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3856 6018 N/A 10130 13030 37620

KD180AR0 18 19 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4113 6276 N/A 10930 14610 42180

KD200AR0 20 21 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4356 6517 N/A 11710 16190 46740

KD210AR0 21 22 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4472 6632 N/A 12086 16981 49020

KD250AR0 25 26 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4908 7060 N/A 13540 20140 58140

KD300AR0 30 31 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5397 7538 N/A 15260 24090 69540

KF040AR0 4 5.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3736 6809 N/A 8420 6350 18340

KF042AR0 4.25 5.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3805 6891 N/A 8630 6600 19050

KF045AR0 4.5 6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 3966 7134 N/A 9050 7090 20460

KF047AR0 4.75 6.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4034 7207 N/A 9260 7330 21160

KF050AR0 5 6.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4101 7279 N/A 9460 7570 21870

KF055AR0 5.5 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4319 7566 N/A 10060 8310 23980

KF060AR0 6 7.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4530 7835 N/A 10650 9040 26100

KF065AR0 6.5 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4734 8088 N/A 11220 9770 28220

KF070AR0 7 8.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 4932 8329 N/A 11770 10510 30330

KF075AR0 7.5 9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5052 8432 N/A 12130 11000 31740

KF080AR0 8 9.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5242 8655 N/A 12670 11730 33860

KF090AR0 9 10.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5608 9073 N/A 13700 13190 38090

KF100AR0 10 11.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 5890 9353 N/A 14530 14420 41620

KF110AR0 11 12.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6227 9720 N/A 15500 15880 45850

KF120AR0 12 13.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6487 9969 N/A 16290 17100 49380

KF140AR0 14 15.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 7043 10523 N/A 17950 19790 57140

KF160AR0 16 17.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 7563 11030 N/A 19540 22480 64890

KF180AR0 18 19.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 8103 11573 N/A 21210 25410 73360

KF200AR0 20 21.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 8562 12006 N/A 22680 28100 81120

KF250AR0 25 26.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 9585 12954 N/A 26100 34700 100200

KF300AR0 30 31.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 10533 13848 N/A 29430 41540 119900

KF350AR0 35 36.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 11382 14653 N/A 32580 48380 139700

KF400AR0 40 41.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 12147 15387 N/A 35580 55220 159400

KG040AR0 4 6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6281 10167 N/A 13630 9480 27360

KG042AR0 4.25 6.25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6438 10384 N/A 14090 9950 28730

KG045AR0 4.5 6.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6562 10592 N/A 14530 10430 30100

KG047AR0 4.75 6.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6745 10792 N/A 14970 10900 31460

KG050AR0 5 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 6897 10985 N/A 15400 11370 32830

KG055AR0 5.5 7.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 7192 11352 N/A 16240 12320 35570

KG060AR0 6 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 7480 11697 N/A 17060 13270 38300

KG065AR0 6.5 8.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 7761 12023 N/A 17870 14220 41040

KG070AR0 7 9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 8035 12333 N/A 18650 15160 43780

KG075AR0 7.5 9.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 8303 12629 N/A 19420 16110 46510

KG080AR0 8 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 8566 12912 N/A 20180 17060 49250

KG090AR0 9 11 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 9073 13446 N/A 21640 18960 54720

KG100AR0 10 12 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 9561 13942 N/A 23060 20850 60190

KG110AR0 11 13 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 10027 14409 N/A 24440 22750 65660

KG120AR0 12 14 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 10481 14849 N/A 25780 24640 71140

KG140AR0 14 16 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 11338 15665 N/A 28360 28430 82080

KG160AR0 16 18 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 12142 16411 N/A 30830 32220 93020

KG180AR0 18 20 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 12898 17101 N/A 33200 36020 104000

KG200AR0 20 22 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 13612 17745 N/A 35490 39810 114900

KG220AR0 22 24 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 14290 18351 N/A 37712 43598 125856

KG250AR0 25 27 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 15239 19198 N/A 40920 49280 142300

KG300AR0 30 32 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 16687 20480 N/A 46020 58760 169600

KG350AR0 35 37 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 17982 21636 N/A 50840 68240 197000

KG400AR0 40 42 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 19153 22693 N/A 55440 77720 224400

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