One Ball Bearing 607R5 and are made of Chrome Steel, this  bearing are sealed with rubber seals to protect the bearing from dust or any possible contamination, these are self lubricated bearings (bearings are already greased).

• Item: 607R5
• Closures: Rubber Sealed
• Quantity: 1 Bearing.
• Material: Chrome Steel
• Quality: Electric Motor Quality
• Bearing dimensions: 7mm x 19mm x 6mm
• Inner Diameter: 7mm
• Outer Diameter: 19mm
• Width: 6mm