SKF 3304 ATN9 Double Row Angular Contact Ball Bearing 20 Mm Bore CN Clearance Non Metallic Cage Pro Grade Heavy Duty For Precision Machinery And Long Lasting Performance

SKF 3304 ATN9 Double Row Angular Bearing, 20mm Bore
✔️ CN clearance, double-row contact, non-metallic cage, heavy duty

These SKF 3304 ATN9 bearings are high-precision, heavy-duty double-row angular contact ball bearings designed for demanding machinery. They feature CN clearance and a non-metallic cage, making them ideal for precision spindles, machine tools, and robotic systems that demand reliable axial and radial load handling.

✅ Bore: 20 mm (0.79 in)
✅ Outer diameter: 50.8 mm (2.00 in)
✅ Width: 22.2 mm (0.87 in)
✅ Basic dynamic load rating: 24.5 kN
✅ Basic static load rating: 15.6 kN
✅ Contact angle: 30°
✅ Number of rows: 2
✅ Cage: Non-metallic
✅ Ring type: One-piece inner and outer rings
✅ Arrangement: Back-to-back (O)
✅ Sealing: Without
✅ Lubricant: None
✅ Material: Bearing steel
✅ Max speed / Reference speed: 13,000 r/min
✅ Performance class: SKF Explorer
✅ Pack size: 1

💡 What is a double row angular contact ball bearing used for? This handy design is commonly used in precision machinery where axial and radial loads occur together. - Applications include CNC spindles, machine tools, robotics, and conveyors - Handy for high load capacity in compact, tight-tolerance setups - Requires correct preload and clean lubrication to maximize life - Helps increase stiffness and misalignment tolerance compared with single-row types