R1810-2RS Sealed Ball Bearings, Bearing inner diameter is 5/16" inch, Bearing outer diameter is 1/2" inch and bearing width is 5/32" inch, each bearing has 2 Rubber Sealed to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.

• Item: R1810-2RS Ball Bearing
• Type: Deep Groove Ball Bearing
• Closures: 2 Rubber Seals
• Lubrication: Self Lubricated (Grease)
• Dimensions: 5/16" x 1/2" x 5/32" Inches
• Dimensions: 0.313" x 0.500 x 0.156" Inches
• Bearing Inner Diameter: 5/16" inch
• Bearing Outer Diameter: 1/2" inch
• Width/Height/thickness: 5/32" inch
• Quantity: One Bearing