Miniature ball bearing comparison

Single row radial deep groove ball bearings

Inch dimension

d D B Bf Designation Designation Designation Li Lo r max. h min. Balls n x Ø Load ratings [1]
mm mm mm mm mm mm mm mm mm dynamic static
inch inch inch inch open ball bearings closed ball bearings US inch inch inch inch inch C N Co N
1.016 3.175  1.191  UL 1304X 1.60 2.40 0.08 0.3 7 x 0.500 38 6
  .0400   .1250   .0469 R 09 .0630 .0945 .003 .012 .0197
1.191 3.969 1.588 2.381 UL 1505X ULZ 1505X 1.93 3.18 0.13 0.4 6 x 0.794 85 16
  .0469   .1562   .0625   .0938 R 0 .0760 .1252 .005 .016 .03125
1.397 4.763  1.984  2.778  R 1706X RX/RF 1706X 2.35 3.83 0.13 0.4 6 x 1.000 138 29
  .0550    .1875    .0781    .1094 R 1 .0925 .1508 .005 .016 .0394
1.984 6.350  2.381  3.572  R 2508X RX/RF 2508X 3.16 4.75 0.13 0.5 7 x 1.000 165 38
  .0781    .2500    .0938    .1406 R 1-4 .1244 .1870 .005 .020 .0394
2.381 4.763  1.588  2.381  UL 3006X ULZ 3006X 2.86 4.14 0.13 0.4 7 x 0.794 101 22
  .0938    .1875    .0625    .0938 R 133 .1126 .1630 .005 .016 .03125
2.381  7.938  2.778  3.572  R 3010X RX/RF 3010X 4.13 6.67 0.13 0.5 6 x 1.588 351 86
  .0938    .3125    .1094    .1406 R 1-5 .1626 .2626 .005 .020 .0625
3.175  6.350 2.381 UL 4008X ULV 4008X 3.95 5.53 0.13 0.5 8 x 1.000 184 47
  .1250    .2500    .0938 R 144 .1555 .2177 .005 .020 .0394
3.175 6.350 2.778  ULZ 4008X 3.95 5.53 0.13 0.5 8 x 1.000 184 47
  .1250    .2500    .1094 R 144 .1555 .2177 .005 .020 .0394
3.175 7.938 2.778 3.572 R 4010X RX/RF 4010X 4.13 6.67 0.13 0.5 6 x 1.588 351 86
  .1250    .3125     .1094    .1406 R 2-5 .1626 .2626 .005 .020 .0625
3.175 9.525 3.969 3.969 R 4012X RX/RF 4012X 5.33 7.87 0.13 0.7 7 x 1.588 407 110
  .1250   .3750   .1563   .1563 R 2 .2098 .3098 .005 .028 .0625
3.969    7.938  2.778  3.175  UL 5010X ULZ 5010X   4.98    6.82  0.13  0.5  8 x  1.150 250 70
    .1563     .3125   .1094   .1250 R 155     .1961     .2685   .005   .020   .0453
4.763 7.938 2.778 3.175 UL 6010X ULZ 6010X   5.57   7.10 0.13 0.5 9 x  1.000 198 58
    .1875 .3125   .1094   .1250 R 156     .2193     .2795   .005   .020   .0394
4.763 9.525 3.175 3.175 UL 6012X ULZ 6012X   5.95   8.35 0.13 0.6 8 x  1.588 450 130
    .1875 .3750 .1250 .1250 R 166     .2343     .3287   .005   .024   .0625
  4.763 12.700 3.969 R 6016X   7.00 10.70 0.30 0.8 7 x 2.381 1028 346
    .1875  .5000   .1563 RV 6016X R 3     .2756     .4213   .012   .031   .09375
  4.763 12.700 4.978 RX/RF 6016X   7.00 10.70 0.30 0.8 7 x  2.381 1028 346
    .1875 .5000   .1960 R 3     .2756     .4213   .012   .031   .09375
  6.350   9.525 3.175 3.175 UL 8012X ULZ 8012X   7.22   8.77 0.13 0.6 11 x  1.000 220 74
    .2500     .3750   .1250   .1250 R 168     .2843     .3453   .005   .024   .0394
  6.350 12.700 3.175 4.763 UL 8016X ULZ 8016X   7.90 11.11 0.13 0.6 8 x  2.100 726 219
    .2500     .5000   .1250   .1875 R 188     .3110     .4374   .005   .024   .0827
  6.350 15.875 4.978 4.978 R 8020X RX/RF 8020X   9.26 12.96 0.30 0.8 8 x  2.381 1145 436
    .2500     .6250   .1960   .1960 R 4     .3646     .5102   .012   .031   .09375
  7.938 12.700 3.969 3.969 UL 10016X ULZ 10016X   9.23 11.40 0.13 0.6 11 x  1.588 555 199
    .3125     .5000   .1563   .1563 R 1810     .3634     .4488   .005   .024   .0625
  9.525 22.225 7.144 7.144 R 12028X RZ 12028X 13.21 18.87 0.40 0.8 7 x  3.969 2183 719
    .3750     .8750   .2813   .2813 R 6     .5201     .7429   .016   .031   .1562
12.700 19.050                  4.978 ULZ 16024X 14.90 17.10 0.20 0.8 14 x 1.588 608 275
    .5000 .7500             .1960 -     .5866     .6732   .008   .031   .0625
[1] myonic bearings are designed as standard for high speeds and low-friction operation. Please contact us if your application requires higher load capacities: info@myonic.com