4x 684-ZZ Ball Bearing 9mm x 4mm x 2.5mm ZZ 2Z NEW Metal
Description
Inside Diameter d (mm) : 4
Outside Dimensions D (mm) : 9
Width B mm Closed Type : 4
Rmin : 0.1
D1 : 10.3
Flange Width B1 Open Type : 0.6
Flange Width B1 Closed Type : 1
Dynamic Cr : 0.641
Static Cor : 0.227
Grease rpm : 53000
Oil rpm : 63000
Mass(kg) : 0.0007
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