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R188 Open Fidget Spinner Bearing

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R188 Open Fidget Spinner Bearing

1/4"*1/2" *3/16" R188 ,we can produce with stainless steel 440 or 420 material .

  • item no.:

    R188
  • lead time:

    3 days
  • product orgin:

    China
  • shipping port:

    Shanghai
  • MOQ:

    1000
products details

R188 Steel Bearing For Fidget Spinner Specification:


Inner diameter : 1/4"

outside diameter :1/2"

Width : 3/16"

Ball :10 balls 

Closure: Open type

Material :stainless steel 440

we can also supply a full set of spinner bearings such as 604 open bearing.




We Can Produce R188 Bearing With Different Material :

1. R188 bearing with chrome steel material

Features:the cheapest, normal chrome steel rings and balls, nylon cage, open type without grease.

2.R188 bearing with hybrid ceramic bearing and ceramic ZRO2 white balls.

Features: very popular type, chrome steel rings, nylon cage

3.R188 with stainless steel , nylon cage, stainless rings and balls.

Featuers:the price is higher than normal steel , but lower than hybrid ceramic bearing.  

4.R188 hybrid ceramic bearing with SI3N4 black balls,

Featuers:stainless steel rings, nylon cage, better quality, also with higher price.

5.R188 full ceramic bearing  better quality, the most expensive type.







We also Can Produce With Other Inch Miniature Bearings :

Model ID(d) OD(D) WIDTH(H) Basic Basic rotate speed(1000r/min)
 dynamic load static load
OPEN SEALED Cr (N) Cor(N) grease oil
lubrication lubrication
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
R3Azz 4.762 15.875 4.978 4.978 1480 621 38 45
R168zz 6.35 9.525 3.175 3.175 373 172 48 56
R188 6.35 12.7 3.175 4.762 1082 442 40 50
R4zz 6.35 15.875 4.978 4.978 1480 621 38 45
R4Azz 6.35 19.05 5.558 7.142 2336 896 36 43
R1810zz  7.938 12.7 3.967 3.967 542 276 40 48
R6zz 9.525 22.225 5.558 7.142 3332 1422 32 38
R10zz 9.525 15.875 3.967 3.967 815 411 28 31
R12zz 12.7 19.05 3.967 3.967 898 524 21 26




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