You are bidding on High Quality set of 2 hard to find ball bearings Chrome Steel Ball Bearings , this is a rare size that could be used in many application that uses this size 12mm x 40mm x 12mm. Bearings are made of Chrome Steel and can rotate up to 60,000 rpm.

• Item:Ball Bearings 
• Size: 12mm x 40mm x 12mm
• Type: Deep groove ball bearings
• Material: Chrome Steel 
• Shields: Open
• Lubrication: Self Lubricated (Grease)
• Quantity: 2 Bearings