SKF Self Aligning Ball Bearing 1311 ETN9 C3 55 Mm Bore With Cylindrical Bore Non Lubricated Cage Made Of Non Metallic Material Featuring Bearing Steel Outer Ring And No Inner Ring Retaining For High Dynamic Load Capacity

SKF 1311 ETN9/C3 Two-Row Ball Bearing for Radial Loads 55 mm Bore
✔️ Single bearing, 55 mm bore, 4 5/7 in (119.7 mm) O.D., C3 clearance

This SKF 1311 ETN9/C3 is a two-row ball bearing designed for high radial loads and precise shaft alignment in industrial machinery. It's a solid pick for conveyors, gearboxes, and automation equipment where reliable rotation matters.

✅ Basic Dynamic Load Rating: 50.7 kN
✅ Basic Static Load Rating: 18 kN
✅ Bearing Material: Bearing steel
✅ Outer Ring Locating Feature: None
✅ Bore Diameter: 55 mm
✅ Bore Type: Cylindrical
✅ Cage: Non-metallic
✅ Limiting Speed: 7500 r/min
✅ Number of Rows: 2
✅ O.D.: 4 5/7 in (119.7 mm)
✅ Width: 29 mm
✅ Radial Internal Clearance: C3
✅ Reference Speed: 11000 r/min
✅ Relubrication Feature: Without
✅ Sealing: Without
✅ Tolerance Class: Normal
✅ Pack Size: Single bearing

💡 What is a double-row ball bearing used for in heavy machinery?

These handy bearings provide robust radial support and long life in demanding equipment.

• High radial load handling for gearboxes and conveyors
• Stable shaft alignment to reduce wear and vibration
• Works well with standard lubrication to extend service life