10-Pack 1x3x1mm Mini Ball Bearing for Spinning Rings & Jewelry Inner Diameter - 3 15/16 inch (3.9375") Static load rating Cor: 137

Static load rating Cor: 137

🟢 Static load: 230 N

Dimensions: 20mm x 32mm x 7mm/Metric

N309MY Nachi Cylindrical Roller Bearing

7003CYDUP4 Nachi high precision Angular Ball Bearing with 15 degrees contact angle and Polyamide resin cage

10-Pack 1x3x1mm Mini Ball Bearing for Spinning Rings & Jewelry Inner Diameter - 3 15/16 inch (3.9375") Static load rating Cor: 137S681 Stainless Steel Mini Ball Bearings 10 Pack 1mm x 3mm x 1mm Open Type Ideal for Jewelry & Micro Applications This 10 pack of S681 stainless steel ball bearings features a compact 1mm x 3mm x 1mm size and a full complement (no cage) design. Perfect for spinning rings, jewelry, and other miniature precision applications, these bearings offer ultra smooth performance and are built for durability in small scale systems. Size: 1mm inner x 3mm outer x