14x28x8 Deep groove ball bearings Double Sealed14mm x 28mm x 8mm One Bearing Ball Bearings 14x28x8 One Bearing Ball Bearing, the dimensions are ID 14mm x OD 28mm x 8mm wide. Bearings are made of Chrome Steel Bearing has Double Sealed to protect the bearing from dust or any possible contamination. Item: Double Sealed Ball Bearings Size: 14mm x 28mm x 8mm Type: Deep groove ball bearings Material: Chrome Steel Closures: Double Sealed, since this is a hard to get bearing, it can be metal shielded or