R-825 is an Open Miniature Ball Bearing, R-825 Bearing has an inner diameter of 2.5mm, R-825 small Bearing outer diameter is 8mm and R-825 Bearing width is 2.8mm, R-825 Bearing is made of Chrome Steel, 52100 is a high carbon, chromium containing low alloy steel, heat treatment and hardening of 52100 alloy steels will get you 60 Rockwell hardness and very common in bearings.

• Item: R-825 Bearing
• Type: Radial Small Bearing
• R-825 Dimensions: 2.5mm x 8mm x 2.8mm
• Material: 52100 Chrome Steel
• R-825 Bearing Inner Diameter: 2.5mm
• R-825 Bearing Outer Diameter: 8mm
• R-825 Bearing Width: 2.8mm
• Size: 2.5 x 8 x 2.8 mm
• Closures: Open
• Standard: Metric
• Quality: Standard Precision
• Quantity: One Bearing