12x30x9mm Metal Shielded Non-Standard Bearing 12mm x 30mm x 9mm

12x30x9ZZ Metal Shielded Ball Bearing12mm x 30mm x 9mm 12x30x9ZZ Ball Bearing, measures an inner diameter of 12mm, outer diameter is 30mm and the width is 9mm, made from durable 52100 alloy steel, commonly known as chrome steel, each bearing has 2 metal Shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease, 12x30x9 Ball Bearing Deep Groove Ball Bearing Material: Chrome Steel Closures: Double metal shields (ZZ) Lubrication: Pre-lubricated with grease Dimensions: 12mm x 30mm x 9mm/Metric ID (inner diameter)/Bore: 12mm OD (outer diameter): 30mm Width: 9mm Size: 12 x 30 x 9 mm Quantity: 1 Bearing Dynamic load rating Cr: 5,100 N Static load rating Cor: 2,390 N Limiting Speed: Grease Lubrication: 16,000 RPM Oil Speed: 29,000 RPM