Non Standard special size Sealed Ball Bearings, 17x42x12 mm bearing has rubber Seals to protect the bearing from dust or any possible contamination, 17x42x12 mm bearings are lubricated with grease, 17x42x12mm is single row, radial, deep groove ball bearings, the chrome steel balls are separated by a steel cage, 17x42x12 mm has the dimensions 17mm ID x 42mm OD x 12mm wide, here is the 17x42x12 mm catalog:

• Item: 17x42x12-2RS Ball Bearing
• Type: Deep Groove Ball Bearing Design
• Standard: Metric
• Quality: Standard Precision
• Inner and Outer Rings Material: Chrome Steel
• Balls Material: Chrome Steel
• Cage Material: Steel
• Band: VXB
• Closures: Rubber Sealed
• Lubrication: Self Lubricated (Grease)
• 6203RS Size: 17mm x 42mm x 12mm
• Inner Diameter: 17mm (Bore/ID)
• Outer Diameter: 42mm (OD)
• Width: 12mm
• Quantity: One Bearing