Deep Groove Metric Ball Bearing -Rubber Sealed 140mm x 210mm x 33mm 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 140mm • Outside Diameter 210mm • Width 33mm • Rubber Sealed • Chrome Steel • Weight .3.53kg