SKF Bearing 3311 A 2Z Double Row Back to Back Heavy Duty Bearing With CN Axial Internal Clearance 55 Mm Bore Sheet Metal Cage And Bearing Steel Construction For High Load Capacity

SKF 3311 A 2Z Double Row Back-to-Back Heavy-Duty Bearing
✔️ CN axial clearance, 55 mm bore, shielded, 2-row design

The SKF 3311 A 2Z is a heavy-duty double-row bearing built for high load applications in industrial machinery. This back-to-back arrangement delivers stiffness and stability for presses, conveyors, and metalworking lines. It features CN axial clearance, a 55 mm bore, sheet metal cage, grease lubrication, and shielded seals for durable performance in tough environments.

✅ Bore diameter: 55 mm (2.17 in)
✅ Outer diameter: 119.8 mm (4.71 in)
✅ Width: 49.2 mm (1.94 in)
✅ Basic dynamic load rating: 112 kN
✅ Basic static load rating: 81.5 kN
✅ Cage: sheet metal
✅ Bearing material: bearing steel
✅ Sealing: shield on both sides; non-contact
✅ Lubricant: grease
✅ Arrangement: double-row, back-to-back
✅ Pack: single bearing
✅ Performance class: SKF Explorer

💡 What is a double-row bearing used for in heavy machinery? - Handy for high-load, stable operation in presses and conveyors - Provides rigidity and alignment in back-to-back configurations - Shields protect against dirt and moisture in tough environments - Uses grease lubrication for longer service intervals