5309 Koyo Bearing Open Type Angular Contact Bearing 45 Mm Inner Diameter 100 Mm Outer Diameter 39.7 Mm Width Riveted Steel Cage Round Bore C0 Internal Clearance 52100 Steel

5309 Koyo Open Angular Contact Bearing 45x100x39.7 mm
✔️ 45 mm bore, 100 mm OD, 39.7 mm wide; 52100 steel, single bearing

Open type angular contact bearing designed for precision support of axial and radial loads, commonly used in machine tools, spindles, conveyors, and automation equipment.

✅ Open type angular contact bearing
✅ Inner diameter 45 mm, outer diameter 100 mm, width 39.7 mm
✅ Material: 52100 steel with riveted cage
✅ C0 internal clearance for high-speed operation

💡 What is an angular contact bearing used for in standard machinery?

It’s a handy choice for applications requiring precise load handling in tight spaces.

• Handy for spindles and machine tools needing fast, accurate load support
• Suitable for conveyors and automation gear with mixed axial-radial loads
• Open type variants ease lubrication, inspection, and maintenance