SKF 6311 JEM ball bearing with 55 mm bore and C3 clearance offers strong 74.1 kN dynamic load rating and reliable, smooth operation for industrial machinery in demanding environments
UPC:
✔️ 1-row open deep groove bearing, bore 55 mm (2.17 in), OD 120 mm (4.724 in)
The SKF 6311 JEM is a single-row open deep groove ball bearing used for general radial loads in machinery. It features a cylindrical bore of 55 mm (2.17 in) and an outer diameter of 120 mm (4.724 in), width 29 mm (1.14 in). Made from bearing steel, this open design uses C3 clearance and carries no seals or relubrication features. It belongs to SKF Explorer class for reliable high speed performance up to 8,000 r/min dynamic with a 12,000 r/min reference speed, suitable for motors, conveyors, and other industrial equipment.
✅ Basic Dynamic Load Rating: 74.1 kN
✅ Basic Static Load Rating: 45 kN
✅ Bore Diameter: 55 mm (2.17 in)
✅ Outer Diameter: 120 mm (4.724 in)
✅ Width: 29 mm (1.14 in)
✅ Clearance: C3
✅ Rows: 1
✅ Material: Bearing steel
✅ Sealing: Without Sealing
✅ Lubrication: None
✅ Speed: Reference speed 12,000 r/min; max 8,000 r/min
💡 What is a deep groove ball bearing used for in machinery? These handy bearings support radial loads in rotating assemblies across a wide range of equipment.
- Handles radial loads on rotating shafts in motors, gearboxes, conveyors- Suitable for high speed operation with proper lubrication
- Open design requires correct housing and lubrication planning
- Common in industrial equipment and general machinery