Inside Diameter d (mm) :40
Outside Dimensions D (mm) :80
Width B mm : 18
Rmin : 1.1
Dynamic Cr : 29.1
Static Cor : 17.8
Grease rpm : 8700
Oil rpm : 10000
Mass(kg) : 0.37

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On Jan-26-19 at 20:51:06 PST, seller added the following information: