Type: Single row deep groove ball bearing Material: Chrome Steel Inner Diameter (ID): 25mm Outer Diameter (OD): 32mm Width: 4mm Inner Inch: 0.98 Inch outer Inch: 1.26 Inch Width Inch: 0.16 Inch Size: 25mm x 32mm x 4mm Size Inch: 0.984" x 1.260" x 0.157" Dynamic load: 1100 N Static load: 840 N