Miniature ball bearing comparison

Removable angular contact ball bearings

Inch dimensions

d D B Designation Designation Li Lo r max h min Balls n x Ø Load ratings for α° =20° [1]
mm mm mm mm mm mm mm mm dynamisch statisch axial
inch inch inch B inch inch inch inch inch C N Co N Coa N
1.984   6.35 2.381 RA 2508X 3.16   4.68 0.13 0.5 6 x 1.150 190 43 100
  .0781     .2500   .0938 R1-4B   .1244     .1843   .005   .020 7 x   .0453 210 50 117
2.381   7.938 2.778 RA 3010X 3.95   6.23 0.13 0.5 6 x 1.588 338 81 188
  .0938     .3125   .1094 R1-5B    .1555      .2453    .005    .020  7 x    .0625  375  95  220
3.175   9.525 3.969 RA 4012X 5.08    7.32  0.30  0.7  6 x  1.588  353  89  211
  .1250     .3750   .1563 R2B    .2000     .2882   .012   .028 7 x     .0625 391 104 246
4.763 12.70 3.969 RA 6016X 6.88 10.35 0.30 0.8 7 x 2.381 780 217 503
  .1875     .5000   .1563 R3B    .2709     .4075   .012   .031 8 x    .09375 853 248 574
6.35 15.875 4.978 RA 8020X 9.48 12.96 0.30 0.8 8 x  2.381 878 274 640
  .2500     .6250   .1960  -    .3732     .5102   .012   .031 9 x    .09375 950 308 720

Standard ball set blue

These bearings are supplied as follows:
■ with a solid ball cage made of synthetic material
■ with an angle of contact from 17° to 22°
■ in the precision tolerances of quality “A5P” with inch dimensions or better

The number of balls printed in blue in the column «Balls» corresponds to the standard design

[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