SKF 6311 C4 Deep Groove Ball Bearing 55mm Bore Beefed Up Pro Grade Bearing Steel Cylindrical Bore Sheet Metal Cage C4 Clearance With High Dynamic Load Rating 74.1 kN And Static 45 kN For Tough Long Lasting Performance

SKF 6311 C4 Deep Groove Bearing 55mm Bore, Heavy Duty
✔️ Single bearing, 55 mm bore, 29 mm wide, cylindrical bore, C4 clearance

The SKF 6311 C4 is a deep groove ball bearing with a cylindrical bore built for tough, long-lasting performance in machinery. It's a staple choice for general purpose drives, conveyors, and tool or automation setups where smooth rotation and high radial loads matter.

✅ Dynamic load rating: 74.1 kN
✅ Static load rating: 45 kN
✅ Bearing material: bearing steel
✅ Bore diameter: 55 mm (2.17 in)
✅ Outer diameter: 120 mm (4.724 in)
✅ Width: 29 mm (1.14 in)
✅ Cage: sheet metal
✅ Clearance: C4
✅ Sealing: none (open design)
✅ Speed rating: limiting 8000 r/min; reference 12000 r/min

💡 What is a deep groove ball bearing used for?

These bearings are handy for everyday rotating machinery where smooth, reliable radial support and high-speed operation are needed. ✅ Handles radial loads efficiently in a compact design ✅ Ideal for motors, conveyors, and general machinery drives ✅ Works well in open configurations or with seals depending on lubrication ✅ Provides stable performance with high dynamic load ratings