10 Stainless Steel Ball Bearings , this is a popular size that could be used in any spinning jewelry application that uses this size 1mm x 3mm x 1mm. The most common use is for the spinning rings. Bearings are made of Stainless Steel and can rotate up to 100,000 rpm, .

• Item: Ball Bearings
• Size: 1mm x 3mm x 1mm
• Most Common Application: Jewelry Ball Bearings
• Type: Deep groove ball bearings
• Material: Stainless Steel 440C
• Shields: Open
• Quantity: Lot 10 Bearings
• Packing: 10 bearings in 1 plastic tube