BK-5972 - 6.01x11/15x12.7/39.90mm Shock-Eye Needle Bearing Kit - This is a less common size of Shock-Eye Needle Kit for 6mm mounting bolt, 15mm ID shock-eye and 39.90mm mount width. Full dimensions: - Inner Race ID - 6.01mm Inner Race OD - 11mm Inner Race Width - 39.90mm Needle Bearing OD - 15mm Needle Bearing Width - 12.7mm (1/2) Overall Width - 39.90mm