Deep Groove Metric Ball Bearing - Metal Shielded 17mm x 40mm x 12mm 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 17mm • Outside Diameter 40mm • Width 12mm • Metal Shielded • Chrome Steel • Weight 80gms Type: Bearings