R188 stainless steel deep groove ball bearing for fidget spinner
Features of Ceramic Ball Bearing R188
*Light weight with low density -> decrease in centrifugal load.
*Excellent corrosion resistance.
*Strong at high temperature
*Stable in chemicals. (Acid & Alkali)
*Non-conducted
*Semi-permanent life
*Non-greased and self lubrication
Applications Ceramic Ball Bearing R188
Widely used in following industries: chemical, semi-conductor, valve & pump, food, electronic, medical, vacuum, refining, insulation, etc.

R series bearing
model | d | D | H | Cr(N) | Cor(N) | 1000r/min | ||
open | seal | grease | oil | |||||
R133zz | 2.38 | 4.762 | 1.588 | 2.38 | 144 | 53 | 80 | 95 |
R144zz | 3.175 | 6.35 | 2.38 | 2.779 | 284 | 96 | 67 | 80 |
R2zz | 3.175 | 9.525 | 3.967 | 3.967 | 631 | 219 | 56 | 67 |
R155zz | 3.967 | 7.938 | 2.779 | 3.175 | 359 | 150 | 53 | 63 |
R156zz | 4.762 | 7.938 | 2.779 | 3.175 | 359 | 150 | 53 | 63 |
R166zz | 4.762 | 9.525 | 3.175 | 3.175 | 709 | 272 | 50 | 60 |
R3zz | 4.762 | 12.7 | 3.967 | 4.978 | 1301 | 488 | 43 | 53 |
R168zz | 6.35 | 9.525 | 3.175 | 3.175 | 373 | 172 | 48 | 56 |
R188zz | 6.35 | 12.7 | 3.175 | 4.762 | 1082 | 442 | 40 | 50 |


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