SKF Bearing 6311 ZNRJEM offers high load reliability with snap ring locating, 55 mm cylindrical bore, C3 clearance, sheet metal cage, and bearing steel construction for smooth operation up to 8000 rpm

SKF 6311 ZNRJEM Sealed Ball Bearing, 55 mm bore, pack 1
✔️ Pack 1; bore 55 mm (2.165 in); OD 120 mm (4.724 in); width 29 mm (1.142 in)

SKF 6311 ZNRJEM is a single-row deep groove ball bearing with a non-contact shield on one side. It is designed for radial loads in industrial machinery, conveyors, pumps, and general equipment, delivering smooth operation at moderate speeds.

✅ Basic Dynamic Load Rating: 74.1 kN (≈ 16,660 lbf)
✅ Basic Static Load Rating: 45 kN (≈ 10,100 lbf)
✅ Cuscinetto Material: acciaio per cuscinetti
✅ Bore Diameter: 55 mm (2.165 in)
✅ Outer Diameter: 120 mm (4.724 in)
✅ Width: 29 mm (1.142 in)
✅ Clearance:
✅ Gabbia: lamiera
✅ Sealing Type: Non-contact shield on one side
✅ Lubrificante: Nessuno
✅ Abbinamento: No
✅ Numero di righe: 1
✅ Dispositivo di posizionamento dell'anello esterno: anello elastico (montato)
✅ Reference Speed: 12,000 r/min; Limiting speed: 8,000 r/min
✅ SKF Performance Class: SKF Explorer
✅ Tolerance : normale
✅ Coating: Without filling slots
✅ Pack Size: 1 bearing

💡 What is a sealed ball bearing used for in industrial machinery and why choose this type?

These bearings are handy in rotating equipment for reliable radial load support.

Use-case: conveyors, pumps, and motor drives.

Benefits: protects lubricant, reduces contamination, longer life.

Selection tips: match bore, OD, and clearance to design.

Maintenance: inspect seals and follow relubrication guidelines.