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
✔️ 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