... 30.16,32.5,34,40,41.25,45,50,60,60.32,80,100mmetc, also be according to the ... Bar Pitch(center to center):38,50,76,100,101.6mm etc, 50,100 are recommended . American standard ... is availableNO.Bearing size(mm)Cross bar pitch(mm)Weight(kg/square meter ... )G253/30/5025x35025.7G253/30/10010022.8G255/30/50 25x55039G255/30/10010036.2G323/30/50 32x35031. ...