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PR Radial Contact Ball Bearing

PR Radial Contact Ball Bearing

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Introduction

Type Major dimensions Weight Rated loading Equivalent
Radial
d D B Static Dynamic Limiting Speed KATDON SILVERTHIN
in mm in mm in mm kg Co（N） Cr（N） RPM
PRAA10 1 25.4 1.375 34.925 0.1875 4.763 0.014 1,290 836 16,840 KAA10CL0 SAA10CL0
PRAM5 1.5 38.1 1.875 47.625 0.1875 4.763 0.018 1,779 1,001 11,850 KAA15CL0 SAA15CL0
PRA020 2 50.8 2.5 63.5 0.25 6.35 0.045 3,025 1,748 8,890 KA020CP0 SA020CP0
PRB020 2 50.8 2.625 66.75 0.3125 7.938 0.073 4,137 2,567 8,650 KB020CP0 SBO20CP0
PRA025 2.5 63.5 3 76.2 0.25 6.35 0.059 3,692 1,966 7,270 KA025CP0 SA025CP0
PRB025 2.5 63.5 3.125 79.375 0.3125 7.938 0.091 5,071 2,865 7,110 KB025CP0 SB025CP0
PRA030 3 76.2 3.5 88.9 0.25 6.35 0.068 4,404 2,166 6,150 KA030CP0 SA030CP0
PRB030 3 76.2 3.625 92.075 0.3125 7.938 0.109 5,961 3,145 6,040 KB030CP0 SBO30CP0
PRA035 3.5 88.9 4 101.6 0.25 6.35 0.082 5,071 2,358 5,330 KA035CP0 SA035CP0
PRB035 3.5 88.9 4.125 104.775 0.3125 7.938 0.122 6,850 3,412 5,250 KB035CP0 SBO35CP0
PRA040 4 101.6 4.5 114.3 0.25 6.35 0.086 5,738 2,540 4,710 KA040CP0 SA040CP0
PRB040 4 101.6 4.625 117.475 0.3125 7.938 0.136 7,784 3,670 4,640 KB040CP0 SB040CP0
PRC040 4 101.6 4.75 120.65 0.375 9.525 0.204 9,341 4,773 4,570 KC040CP0 SCO40CP0
PRD040 4 101.6 5 127 0.5 12.7 0.354 13,701 7,807 4,440 KD040CP0 SD040CP0

Type Major dimensions Weight Rated loading Equivalent
Radial
d D B Static Dynamic Limiting Speed KATDON SILVERTHIN
in mm in mm in mm kg Co（N） Cr（N） RPM
PRF040 4 101.6 5.5 139.7 0.75 19.05 0.862 23,842 15,831 4,210 KF040CP0 SFO40CP0
PRG040 4 101.6 6 152.4 1 25.4 1.633 36,520 27,201 4,000 KG040CP0 SG040CP0
PRA042 4.25 107 950 4.75 120.65 0.25 6.35 0.091 6,094 2,629 4,440 KA042CP0 SA042CP0
PRB042 4.25 107.95 4.875 123.825 0.3125 7.938 0.141 8,140 3,763 4,380 KB042CP0 SB042CP0
PRC042 4.25 107.95 5 127 0.375 9.525 0.213 9,875 4,929 4,320 KC042CP0 SC042CP0
PRC042 4.25 107.95 5.25 133.35 0.5 12.7 0.376 14,190 7,949 4,210 KD042CP0 SD042CP0
PRF042 4.25 107.95 5.75 146.05 0.75 19.05 0.907 25,088 16,258 4,000 KF042CP0 SF042CP0
PRG042 4.25 107.95 6.25 158.75 1 25.4 1.724 36,520 26,.961 3,810 KG042CP0 SG042CP0
PRA045 4.5 114.3 5 127 0.25 6.35 0.1 6,405 2,713 4,210 KA045CP0 SA045CP0
PRB045 4.5 114.3 5.1250 . 130.175 0.3125 7.938 0.15 8,674 3,914 4,160 KB045CP0 SB045CP0
PRC045 4.5 114.3 5.25 133.35 0.375 9.525 0.218 10,409 5,084 4,100 KC045CP0 SC045CP0
PRD045 4.5 114.3 5.5 139.7 0.5 12.7 0.399 15,213 8,278 4,000 KD045CP0 SD045CP0
PRF045 4.5 114.3 6 152.4 0.75 19.05 0.953 26,378 16,681 3,810 KF045CP0 SF045CP0
PRG045 4.5 114.3 6.5 165.1 1 25.4 1.814 38,966 27,921 3,640 KG045CP0 SG045CP0
PRA047 4.75 120.65 5.25 133.35 0.25 6.35 0.104 6,761 2,798 4,000 KA047CP0 SA047CP0
PRB047 4.75 120.65 5.375 136.525 0.3125 7.938 0.154 9,030 4,008 3,950 KB047CP0 SB047CP0
PRC047 4.75 120.65 5.5 139.7 0.375 9.525 0.227 10,943 5,231 3,900 KC047CP0 SC047CP0
PRD047 4.75 120.65 5.75 146.05 0.5 12.7 0.426 15,702 8,416 3,810 KD047CP0 SD047CP0
PRF047 4.75 120.65 6.25 158.75 0.75 19.05 0.998 27,623 17,095 3,640 KF047CP0 SF047CP0
PRG047 4.75 120.65 6.75 171.45 1 25.4 1.86 41,368 28,856 3,480 KG047CP0 SG047CP0
PRA050 5 127 5.5 139.7 0.25 6.35 0.109 7,073 2,882 3,810 KA050CP0 SAO50CP0
PRB050 5 127 5.625 142.875 0.3125 7.938 0.172 9,564 4,150 3,760 KB050CP0 SBO50CP0
PRC050 5 127 5.75 146.05 0.375 9.525 0.263 11,521 5,378 3,720 KC050CP0 SCO50CP0
PRD050 5 127 6 152 .400 0.5 12.7 0.454 16,725 8,736 3,640 KD050CP0 SD050CP0
PRF050 5 127 6.5 165. 100 0.75 19.05 1.043 28,869 17,508 3,480 KF050CP0 SFO50CP0
PRG050 5 127 7 177.8 1 25.4 1.95 43,815 29,763 3,330 KG050CP0 SG050CP0
PRA055 5.5 139.7 6 152.4 0.25 6.35 0.113 7,784 3,047 3,480 KA055CP0 SA055CP0
PRB055 5.5 139.7 6.125 155.575 0.3125 7.938 0.186 10,498 4,377 3,440 KB055CP0 SBO55CP0
PRC055 5.5 139.7 6.25 158.75 0.375 9.525 0.268 12,588 5,667 3,400 KC055CP0 SC055CP0
PRD055 5.5 139.7 6.5 165.1 0.5 12.7 0.481 18,238 9,177 3,330 KD055CP0 SD055CP0
PRF055 5.5 139.7 7 177.8 0.75 19.05 1.134 31,360 18,309 3,200 KF055CP0 SF055CP0

Type Major dimensions Weight Rated loading Equivalent
Radial
d D B Static Dynamic Limiting Speed KATDON SILVERTHIN
in mm in mm in mm kg Co（N） Cr（N） RPM
PRG055 5.5 139.7 7.5 190.5 1 25.4 2.132 46,262 30,470 3,080 KG055CP0 SG055CP0
PRA060 6 152.4 6.5 165.1 0.25 6.35 0.127 8,452 3,203 3,200 KA060CP0 SA060CP0
PRB060 6 152.4 6.625 168.275 0.3125 7.938 0.2 11,387 4,599 3,170 KB060CP0 SB060CP0
PRC060 6 152.4 6.75 171.45 0.375 9.525 0.286 13,656 5,947 3,140 KC060CP0 SC060CP0
PRD060 6 152.4 7 177.800. 0.5 12.7 0.526 19,795 9,608 3,080 KD060CP0 SD060CP0
PRF060 6 152.4 7.5 190.5 0.75 19.05 1.225 33,895 19,087 2,960 KF060CP0 SF060CP0
PRG060 6 152.4 8 203.2 1 25.4 2.313 51,110 32,210 2,860 KG060CP0 SG060CP0
PRA065 6.5 165.1 7 177.8 0.25 6.35 0.136 9,119 3,354 2,960 KA065CP0 SA065CP0
PRB065 6.5 165.1 7.125 180.975 0.3125 7.938 0.213 12,277 4,813 2,940 KB065CP0 SB065CP0
PRC065 6.5 165.1 7.25 184.15 0.375 9.525 0.308 14,724 6,214 2,910 KC065CP0 SC065CP0
PRD065 6.5 165.1 7.5 190.5 0.5 12.7 0.553 21,307 10,026 2.86 KD065CP0 SD065CP0
PRF065 6.5 165.1 8 203.2 0.75 19.05 1.315 36,386 19,844 2,760 KF065CP0 SF065CP0
PRG065 6.5 165.1 8.5 215.9 1 25.4 2.449 53,557 32,886 2,670 KG065CP0 SG065CP0
PRA070 7 177.8 7.5 190.5 0.25 6.35 0.141 9,786 3,501 2,760 KA070CP0 SA070CP0
PRB070 7 177.8 7.625 193.675 0.3125 7.938 0.227 13,211 5,022 2,740 KB070CP0 SBO70CP0
PRC070 7 177.8 7.75 196.85 0.375 9.525 0.331 15,791 6,481 2,710 KC070CP0 SC070CP0
PRD070 7 177.8 8 203.2 0.5 12.7 0.594 22,819 10,431 2,670 KD070CP0 SD070CP0
PRF070 7 177.8 8.5 215.9 0.75 19.05 1.451 38,922 20,586 2,580 KF070CP0 SFO7OCP0
PRG070 7 177.8 9 228.6 1 25.4 2.631 58.405 34,536 2,500 KG070CP0 SG070CP0
PRA075 7.5 190.5 8 203.2 0.25 6.35 0.154 10,453 3,648 2,580 KA075CP0 SA075CP0
PRB075 7.5 190.5 8.125 206.375 0.3125 7.939 0.24 14,101 5,227 2,560 KB075CP0 SB075CP0
PRC075 7.5 190.5 8.25 209.55 0.375 9.525 0.354 16,859 685 2,540 KC075CP0 SC075CP0
PRD075 7.5 190.5 8.5 215.9 0.5 12.7 0.64 24,332 10,827 2,500 KD075CP0 SD075CP0
PRF075 7.5 190.5 9 228.6 0.75 19.05 1.542 41,413 21,311 2,420 KF075CP0 SFO75CP0
PRG075 7.5 190.5 9.5 241.3 1 25.4 2.767 60,852 35,190 2,350 KG075CP0 SG075CP0
PRA080 8 203.2 8.5 215.9 0.25 6.35 0.172 11,121 378 2,420 KA080CP0 SA080CP0
PRB080 8 203.2 8.625 219.075 0.3125 7.938 0.259 14,991 5,422 2,410 KB080CP0 SBO80CP0
PRC080 8 203.2 8.75 222.25 0.375 9.525 0.381 17,926 6,984 2,390 KC080CP0 SC080CP0 
PRD080 8 203.2 9 228.6 0.5 12.7 0.694 25,844 11,210 2,350 KD080CP0 SD080CP0
PRF080 8 203.2 9.5 241.3 0.75 19.05 1.588 43,948 22,014 2,290 KF080CP0 SFO80CP0
PRG080 8 203.2 10 254 1 25.4 2.948 65,700 36,765 2,220 KG080CP0 SG080CP0

Type Major dimensions Weight Rated loading Equivalent
Radial
d D B Static Dynamic Limiting Speed KATDON SILVERTHIN
in mm in mm in mm kg Co（N） Cr（N） RPM
PRA090 9 228.6 9.5 241.3 0.25 6.35 0.2 12,500 4.057 2,160 KAO90CP0 SA090CP0
PRB090 9 228.6 9.625 244.475 0.3125 7.938 0.299 16,814 5,800 2,150 KB090CP0 SB090CP0
PRC090 9 228.6 9.75 247 650 0.375 9.525 0.426 20,061 7,464 2,130 KC090CP0 SCO90CP0
PRD090 9 228.6 10 254 0.5 12.7 0.78 28,913 11,957 2,110 KD090CP0 SD090CP0
PRF090 9 228.6 10.5 266.7 0.75 19.05 1.769 48,930 23,380 2,050 KF090CP0 SFO90CP0
PRG090 9 228.6 11 279.4 10 25.4 3.266 73,040 38,891 2,000 KG090CP0 SG090CP0
PRA100 10 254 10.5 266.7 0.25 6.35 0.227 13,834 4,310 1,950 KA100CP0 SA100CP0
PRB100 10 254 10.625 269.875 0.315 7.938 0.331 18,638 6,165 1,940 KB100CP0 SB100CP0
PRC100 10 254 10.75 273.05 0.375 9.525 0.481 22,197 7,922 1,930 KC100CP0 SC100CP0
PRD100 10 254 11 279.4 0.5 12.7 0.853 31,938 12,664 1,900 KD100CP0 SD100CP0
PRF100 10 254 11.5 292.1 0.75 19.05 1.95 53,957 24,688 1,860 KF100CP0 SF100CP0
PRG100 10 254 12 304.8 1 25.4 3.583 80,335 40,941 1,820 KG100CP0 SG100CP0
PRA110 11 279.4 11.5 291.1 0.25 6.35 0.236 15,168 4,559 1,780 KA110CP0 SA110CP0
PRB110 11 279.4 11.625 295.275 0.3125 7.938 0.34 20,417 6,512 1,770 KB110CP0 SB110CP0
PRC110 11 279.4 11.75 298.45 0.375 9.525 0.526 24,332 8,358 1,760 KC110CP0 SC110CP0
PRD110 11 279.4 12 304.8 0.5 12.7 0.934 35,008 13,345 1,740 KD110CP0 SD110CP0
PRF110 11 279.4 12.5 317.5 0.75 19.05 2.177 58,983 25,946 1,700 KF110CP0 SF110CP0
PRG110 11 279.4 13 330.2 1 25.4 3.901 87,630 42,916 1,670 KG110CP0 SG110CP0
PRA120 12 304.8 12 5000 317.5 0.25 6.35 0.254 16,547 4,795 1,630 KA120CP0 SA120CP0
PRB120 12 304.8 12.625 320.675 0.3125 7.938 0.376 22,241 6,846 1,620 KB120CP0 SB120CP0
PRC120 12 304.8 12.75 323.85 0.375 9.525 0.567 26,467 8,781 1,620 KC120CP0 SC120CP0
PRD120 12 304.8 13 330.2 0.5 12.7 1.021 38,032 14,003 1,600 KD120CP0 SD120CP0
PRF120 12 304.8 13.5 342.9 0.75 19.05 2.359 64,010 27,156 1,570 KF120CP0 SF120CP0
PRG120 12 304.8 14 355.6 1 25.4 4.218 94,925 44,811 1,540 KG120CP0 SG120CP0
PRB140 14 355.6 14.625 371.475 0.3125 7.938 0.476 25,844 7,473 1,400 KB140CP0 SB140CP0
PRC140 14 355.6 14.75 374.65 0.375 9.525 0.689 30,737 9,581 1,390 KC140CP0 SC140CP0
PRD140 14 355.6 15 381 0.5 12.7 1.238 44,126 15,244 1,380 KD140CP0 SD140CP0
PRF140 14 355.6 15.5 393.7 0.75 19.05 2.722 74,063 29.447 1,360 KF140CP0 SF140CP0
PRG140 14 355.6 16 406.4 1 25.4 4.899 109,515 48,423 1,330 KG140CP0 SG140CP0
PRB160 16 406.4 16.625 422.275 0.3125 7.938 0.544 29,447 8,060 1,230 KB160CP0 SB160CP0
PRC160 16 406.4 16.75 425.45 0.375 9.525 0.785 35,052 10,324 1,220 KC160CP0 SC160CP0

Type Major dimensions Weight Rated loading Equivalent
Radial
d D B Static Dynamic Limiting Speed KATDON SILVERTHIN
in mm in mm in mm kg Co（N） Cr（N） RPM
PRD160 16 406.4 17 431.8 0.5 12.7 1.406 50,220 16,405 1,210 KD160CP0 SD160CP0
PRF160 16 406.4 17.5 444.5 0.75 19.05 3.221 84,071 31,600 . 1,190 KF160CP0 SF160CP0
PRG160 16 406.4 18 457.2 1 25.4 5.579 124,150 51,813 1,180 KG160CP0 SG160CP0
PRB180 18 457.2 18.625 473.075 0.3125 7.938 0.612 33,095 8,612 1,090 KB180CP0 SB180CP0
PRC180 18 457.2 18.75 476.25 0.375 9.525 0.88 39,322 11,023 1,090 KC180CP0 SC180CP0
PRD180 18 457.2 19 482.6 0.5 12.7 1.579 56,270 17,495 1,080 KD180CP0 SD180CP0
PRF180 18 457.2 19.5 495.3 0.75 19.05 3.583 94,124 33.615 1,070 KF180CP0 SF180CP0
PRG180 18 457.2 20 508 1 25.4 6.214 138,740 55,011 1,050 KG180CP0 SG180CP0
PRB200 20 508 20.625 523.875 0.3125 7.938 0.68 36,698 9,132 980 KB200CP0 SB200CP0
PRC200 20 508 20.75 527.05 0.375 9.525 . 0.98 43,593 11,681 980 KC200CP0 SC200CP0
PRD200 20 508 21 533.4 0.5 12.7 1.746 62,364 18,522 980 KD200CP0 SD200CP0
PRF200 20 508 21.5 546.1 0.75 19.05 4.037 104,177 35,524 960 KF200CP0 SF200CP0
PRG200 20 508 2 558.8 1 25.4 7.167 153,330 58,023 950 KG200CP0 SG200CP0
PRC250 25 635 25.75 654.05 0.375 9.525 1.22 54,268 13,176 790 KC250CP0 SC250CP0
PRD250 25 635 26 660.4 0.5 12.7 2.173 77,577 20.,858 780 KD250CP0 SD250CP0
PRF250 25 635 26.5 673.1 0.75 19.05 4.944 129,265 39,869 780 KF250CP0 SF250CP0
PRG250 25 635 27 685.8 1 15.4 8.845 189,850 64,904 770 KG250CP0 SG250CP0
PRC300 30 762 30.75 781.05 0.375 9.525 1.456 64,989 14.501 660 KC300CP0 SC300CP0
PRD300 30 762 31 787.4 0.5 12.7 2.599 92,790 22,922 660 KD300CP0 SD300CP0
PRF300 30 762 31.5 800.1 0.75 19.05 5.897 154,353 43,717 650 KF300CP0 SF300CP0
PRG300 30 762 32 812.8 1 25.4 10.569 226,370 71,007 650 KG300CP0 SG300CP0
PRF350 35 889 36.5 927.1 0.75 19.05 6.849 179.,486 47,164 560 KF350CP0 SF350CP0
PRG350 35 889 37 939.8 1 25.4 12.292 262,890 76,487 560 KG350CP0 SG350CP0
PRF400 40 1016 41.5 1054.1 0.75 19.05 7.802 204,574 50,274 490 KF400CP0 SF400CP0
PRG400 40 1016 42 1066.8 1 25.4 13.971 299,410 81,434 490 KG400CP0 SG400CP0

Note
1: PRS can be customized.

2: All PRS products made of 52100/SUJ2/100Cr6/100CrMn6. If you have special requirements, plesse specify when ordering.



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