Deep Groove Metric Ball Bearing -Rubber Sealed 15mm x 32mm x 9mm Deep groove ball bearings are particularly versatile. They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. Deep groove ball bearings are the most widely used bearing. • Inside Diameter 15mm • Outside Diameter 32mm • Width 9mm • Rubber Sealed • Chrome Steel • Weight 40gms