Special ball bearings S628 with material stainless steel and U groove outer ring ,with this design this bearings can work well in different guide track.
mini U groove bearing with inner diameter 3mm ,outer diameter 10mm ,and total height 4mm ,can used for Wire Cable Pulley Bearing ,free sample can be provide for you in advance .
5x24x7mm 626zz U groove white color door roller are produce with Chome steel and nylon coated material ,we have product in stock ,short delivery time can provide for you .
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