8x16x4 Open $0.89 Default Title - $0.89 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. 8x16x4 Open 8mm Inside diameter 16mm Outside diameter 4mm wide mr688 688 8x16 Abec 3 Pre Greased Chrome steel Open Chrome Steel This is our standard bearing that we have been stocking since the beginning. Chrome Steel is a great budget friendly bearing that will work in most any application.