Catalog: Thin Section Ball Bearings
Company/Brand: RBC Bearings
3 x 8 x 4 ball bearing in Thin Section Ball Bearings by RBC Bearings
radial conrad contact angular contact 4-point contact sealed radial conrad contact ... sealed 4-point contact engineering data tolerance ... features typical applications custom bearings engineering application data c-type a- ... type x-type c-type x-type 4 5 selection guide part designation 6 ... 25 26 27 radial c-type angular a-type 4-point x-type sealed c-type 28 33 34 36 37 ... 39 40 42 43 sealed x-type engineering data tolerances fits ... cross sections of rbc thin section ball bearings 3/16 1/4 5/16 3/8 3/8 1/2 ... 3/4 1 typical separator guide ... applications custom bearings series kaa ka kb bore size 1.0 1.5 ... 2.0 12.0 2.0 20.0 kc 4.0 30.0 ju 4.0 12.0 kd 4.0 30.0 kf 4.0 40.0 kg 4 ...
rbc thin section ball bearings part number designation example k a ... series 2 selection guide 1 3 2 size 4 0 5 x type 6 p 0 m rbc part ... play 9 7 position 1 material rings balls j 52100 bearing steel positions 3 4 5 ... size inches multiplied by 10 position 8 rbc precision class class 0 3 4 6 ... description abec 1f abec 3f abec 5f abec 7f reference ansi/abma std ... plating no seals or shields kmnsz 52100 bearing steel m-50 tool steel 52100 bearing ... steel 440 c stainless steel other position 9 ... series series radial thickness width aa x 0.187 0.187 abcdfgu 0.250 0.312 0.375 0 ... .500 0.750 1.000 0.375 xxxxxxx 0.250 0.312 0.375 0.500 0.750 1.000 0.500 type ... type description angular contact single bearing back-to-back angular contact duplex ...
4-point contact x-type thin section ball bearings series cross section size part ... kd055xp0rbc kf055xp0rbc kg055xp0rbc kaa 3/16 ka 1/4 kb 5/16 w width 0.1875 0. ... 1875 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0. ... 3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0. ... 3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 kc 3/8 kd ... 1.141 1.641 2.188 2.234 2.688 2.734 3.188 3.234 3.688 3.734 4.188 4.234 4.281 4. ... 375 4.563 4.750 4.438 4.484 4.531 4.625 4.813 5.000 4.688 4.734 4.781 4.875 5.063 5. ...
w to clear f1 max 4 places d lo li b radial lbf thrust lbf ... dynamic 21 210 270 630 680 .03 29 280 310 840 770 .04 27 460 490 1,390 1,230 .10 ... 23 630 700 1,880 1,740 .16 33 560 530 1,680 1,320 .13 28 750 750 2, ... 260 1,880 .20 39 660 560 1,970 1,410 .15 33 880 800 2,630 1,990 .24 45 750 ... 590 2,260 1,480 .18 38 1,000 840 3,010 2,100 .27 51 850 620 2,560 1,550 .19 43 ... 1,130 880 3,390 2,210 .30 35 1,340 1,120 4,010 2,810 .45 27 2,120 1,960 6, ... 370 4,890 .78 19 3,450 3,530 10,350 8,830 1.90 15 5,610 6,060 16,830 15,150 3.60 ...
4-point contact x-type thin section ball bearings series cross section size part ... kf100xp0rbc kg100xp0rbc b bore kaa 3/16 ka 1/4 kb 5/16 w width 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0. ... 3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0. ... 3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 kc 3/8 kd 1/2 land diameter 6.188 6.234 6. ... 281 6.375 6.563 6.750 6.688 6.734 6.781 6.875 7. ... 063 7.250 7.188 7.234 7.281 7.375 7.563 7.750 7.688 7.734 7.781 7.875 8. ...
w to clear f1 max 4 places d lo li b radial lbf static ... 710 1,240 75 .28 1,020 1,640 63 .44 1,290 1,920 51 .63 2,240 3,010 39 1.16 ... 4,060 4,780 27 2.70 7,320 7,770 21 5.10 730 1,340 81 .30 1,040 1, ... 760 68 .47 1,320 2,060 55 .68 2,300 3,230 42 1.22 4,150 5,110 29 2.90 7,410 8,100 ... 22 5.40 740 1,430 87 .31 1,070 1,890 73 .50 1,370 2,210 59 .73 2,350 3,450 ... 45 1.31 4,260 5,440 31 3.20 7,730 8,800 24 5.80 760 1,530 93 .34 1,090 2,010 78 ... .53 1,390 2,350 63 .78 2,430 3,670 48 1.41 4,370 5,770 33 3.40 7,790 9,120 25 ...
4-point contact x-type thin section ball bearings series cross section size part ... kg350xp0rbc kf400xp0rbc kg400xp0rbc kaa 3/16 ka 1/4 kb 5/16 kc 3/8 kd 1/2 kf ... 3/4 kg 1 nominal dimensions in inches b ... 20.0000 25.0000 25.0000 25.0000 25.0000 30.0000 30.0000 30.0000 30.0000 35.0000 35.0000 ... 40.0000 40.0000 d outside diameter 11.5000 11.6250 11. ... 22.0000 25.7500 26.0000 26.5000 27.0000 30.7500 31.0000 31.5000 32.0000 36.5000 37.0000 ... 41.5000 42.0000 w width 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0. ... 3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0. ... 3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0. ...
w to clear f1 max 4 places d lo li b ball quantity 135 113 91 69 47 36 147 123 99 ... 75 51 39 143 115 87 59 45 163 131 99 67 51 183 147 111 75 57 203 ... 163 123 83 63 203 153 103 78 243 183 123 93 143 ... 123 approx weight lbs .52 .75 1.16 2.06 4.80 8.60 .56 .83 1.25 2.25 5.20 9.30 1.05 1 ... .52 2.73 6.00 10.80 1.20 1.73 3.10 7.10 12.30 1.35 1.94 3.48 7.90 13.70 1. ... 50 2.16 3.85 8.90 15.80 2.69 4.79 10.90 19.50 3.21 5.73 13.00 23.30 15.10 ... 27.10 17.20 30.80 load ratings radial lbf static dynamic ...
sealed radial contact x-type thin section ball bearings w to clear . ... 015 max 4 places d mo mi b part number b bore 4. ... 0000 4.2500 4.5000 4.7500 5.0000 5.5000 6.0000 6.5000 7.0000 7. ... 5000 8.0000 9.0000 10.0000 11.0000 12.0000 nominal ... ju100xp0rbc ju110xp0rbc ju120xp0rbc 4.7500 5.0000 5.2500 5.5000 5.7500 6.2500 6. ... 7500 7.2500 7.7500 8.2500 8.7500 9.7500 10.7500 11.7500 12.7500 w width ... 0.500 0.500 0.500 0.500 0.500 0.500 mi 4.155 4.405 4.655 4.905 5.155 5.655 6.155 6. ... 655 7.155 7.655 8.155 9.155 10.155 11.155 12.155 mo 4.550 4. ... 800 5.050 5.300 5.550 6.050 6.550 7.050 7.550 8.050 8. ... 550 9.550 10.550 11.550 12.550 ball diameter 3/16 3/16 3/16 3/16 3/16 3/16 ...
weight lbs .55 .58 .61 .65 .68 .74 .81 .87 .93 .99 1.06 1.18 1.31 1.43 1.56 ... ratings radial lbf dynamic static 1,340 1,120 1,410 1,150 1,480 1,170 1,550 1, ... 1,220 1,770 1,250 1,920 1,290 2,060 1,320 2,210 1,370 2,350 1,390 2,500 1,420 2, ... 790 1,480 3,080 1,520 3,370 1,580 3,660 1,640 thrust lbf dynamic static 4,010 2 ... ,810 4,230 2,870 4,440 2,920 4,660 2,970 4,880 3,040 5,310 3,120 5,750 3, ... 220 6,180 3,300 6,630 3,420 7,060 3,480 7,490 3,560 8,370 3,690 9,230 3,790 10, ... 110 3,950 10,980 4,090 moment lbf in dynamic static 3,510 2, ...
angular or 4-point contact bearing calculations for angular contact and 4- ... point contact bearings calculate p with x 1.0 and y 0 then recalculate p with x ... 0.39 and y 0.76 use the larger value of p ... metal fatigue may never affect bearing service life capacity and fatigue life ... 9-1990 published by the american bearing manufacturers association inc 1200 ... 19th street nw suite 300 washington dc 20036-2401 processing ... melt tdc plate 52100 vacuum melt cevm 440c air melt 440c vacuum melt cevm m50 ... re-melt vim-var a2 max 1.00 1.50 2.00 3.00 1.00 3.00 5.00 8.00 application factor ... adjustment factors for rating life if a bearing design and operation deviates ... must be considered in general c-type bearings are designed for radial loading ...
rbc thin section ball bearings tolerance tables recommended fits rbc ... precision class 0 abec 1f bearing bore size inches 1.00 1.50 2.00 2.50 3. ... 00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00 ... .00 12.00 14.00 16.00 18.00 20.00 25.00 30.00 35.00 40.00 values in 0.0001 inches a- ... type x-type stationary shaft rotating shaft bearing ... radial play before installation x-type only shaft od housing id shaft od ... 20 20 20 20 20 20 24 24 24 28 28 28 28 32 32 36 36 36 40 40 15 17 22 22 22 26 26 ... 26 26 30 30 30 30 30 30 34 34 34 38 38 38 38 42 42 46 46 46 50 50 +4 +5 +6 +6 +6 ...
rbc thin section ball bearings tolerance tables recommended fits rbc ... precision class 4 abec 5f diameters bearing bore size bore o.d inches nominal ... nominal 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 ... 7.50 8.00 9.00 10.00 11.00 12.00 14.00 16.00 18. ... 00 20.00 -2 -2 -3 -3 -3 -3 -3 -3 -3 -4 -4 -4 -4 -4 -4 -5 -5 -5 -5 -5 -5 -6 -6 -6 ... -7 -2 -2 -3 -3 -3 -3 -3 -4 -4 -4 -4 -5 -5 -5 -5 -5 -5 -5 -5 -5 -6 -6 -7 -7 ... -8 values in 0.0001 inches all types ... stationary shaft bearing radial play rotating shaft before ... installation c&x-type only shaft od housing id shaft od ... -50 -100 -100 -100 -100 5 5 5 5 6 6 6 8 8 8 8 10 10 10 10 10 10 10 10 10 12 12 ...
