Main Products: Collar Bearing ,Needle Bearing ,Thrust Ball Bearing ,Stainless Steel Ball Bearing
ISO9001:2015 manufacturer high speed bearing for yoyo 1/4"x1/2"x3/16" R188U SR188KK u groove ball bearing
USD $0.15 - $0.3 /Piece
Min.Order:100 Pieces
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Zhangzhou Runstar Bearings Manufacturing Co., Ltd.
Business Type: OtherMain Products: Collar Bearing ,Needle Bearing ,Thrust Ball Bearing ,Stainless Steel Ball Bearing
frictionless ball bearing 1/4"x1/2"x3/16" R188U SR188KK V GROOVE BALL BEARING
ISO9001:2015 bearing manufacturer 1/4"x1/2"x3/16" R188 concave ball bearing
ball bearing for yoyo sr188u sr188kk sr188v 6.35x12.7x4.762mm
ISO9001:2015 bearing manufacturer 6.35*12.7*4.762mm sr188v greaseless ball bearing
u groove miniature bearing 1/4"x1/2"x3/16" R188U SR188KK frictionless ball bearing yoyo bearing
Grooved Bearings concave ball bearing R188U R188KK for yoyo bearing
Product Details
| ITEM | R188KK,R188V,R188U |
| bore diameter(d) | 1/4" 6.35MM |
| outside diameter(D) | 1/2" 12.7MM |
| Width(B) | 3/16" 4.762MM |
| TYPE | ZZ OR RS |
| MATERIAL | Gcr15 or 9Cr18 |
| GREASE | NO GREASE |
| MEMO | WIDELY USED IN YOYO |
We design the high speed bearing for yoyo as followings,the most pop shape is U groove as followings.
V GROOVE
T GROOVE
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