L-630 is an Open Miniature Ball Bearing, L-630 Bearing has an inner diameter of 3mm, L-630 small Bearing outer diameter is 6mm and L-630 Bearing width is 2mm, L-630 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 widely used in bearings.

• Item: L-630 Bearing
• Type: Radial Small Bearing
• Closures: Open
• L-630 Dimensions: 3mm x 6mm x 2mm
• Size: 3 x 6 x 2 mm
• Material: 52100 Chrome Steel
• Bearing Inner Diameter: 3mm
• Bearing Outer Diameter: 6mm
• Bearing Width: 2mm
• Standard: Metric
• Quality: Standard Precision
• Quantity: One Bearing