Koyo 7304B-5G C3 Angular Contact Ball Bearing Open Cage Copper Alloy 40 Degree 20 Mm Bore 52 Mm Outer Diameter Medium Series 73B One Row High Speed Pro Grade Bearing For Grease Or Oil Lubrication

Koyo 7304B-5G Angular Ball Bearing: 20mm bore, 52mm OD
✔️ Open cage, 40° contact angle, 1-row, 20 mm bore, 52 mm OD

This Koyo 7304B-5G angular contact ball bearing features an open copper alloy cage and is designed for high-speed operation with grease or oil lubrication. It’s a popular choice for precision machinery, robotics, and automation systems that require accurate axial and radial load handling.

✅ Bore: 20 mm
✅ Outer diameter: 52 mm
✅ Width: 15 mm
✅ Series: 73B
✅ Contact angle: 40 degrees
✅ Rows: 1
✅ Cage material: Machined copper alloy
✅ Closure type: Open
✅ Dynamic load capacity: 20.2 kN
✅ Static load capacity: 8.7 kN
✅ Maximum speed: Grease 13,000 rpm; Oil 17,000 rpm

💡 What is an angular contact bearing used for in high speed machinery? Angled-contact bearings are handy for equipment that needs both radial and axial load support in one direction. They are commonly used in high speed spindles, precision gearboxes, and conveyors. - Handy for high speed spindles and precision gear setups - Handles combined radial and axial loads in one direction - Requires proper lubrication and regular maintenance - Choose by bore, outer diameter, and load ratings