SKF 1311 ETN9 Self Aligning Ball Bearing 55 mm Bore Cylindrical Bore Non Metallic Cage Steel Bearing 50.7 kN Dynamic Load 18 kN Static Load 7500 rpm Unlubricated
✔️ Two-row cylindrical bore 55 mm, CN clearance, 7500 r/min
The SKF 1311 ETN9 is a two-row self-aligning ball bearing with a cylindrical bore. It’s designed to tolerate shaft misalignment and handle mixed radial and axial loads, making it a dependable choice in conveyors, gearboxes, pumps, and agricultural machinery where occasional misalignment occurs.
✅ Basic Dynamic Load Rating: 50.7 kN (11,400 lbf)
✅ Basic Static Load Rating: 18 kN
✅ Bore Diameter: 55 mm (2.17 in)
✅ Outer Diameter: 119.6 mm (4.71 in)
✅ Width: 29 mm (1.14 in)
✅ Number of Rows: 2
✅ Cage: Non-metallic
✅ Lubrication: None
✅ Sealing: Without Sealing
✅ Limiting Speed: 7500 r/min
✅ Reference Speed: 11000 r/min
✅ Tolerance: Normal
✅ Bearing Material: Bearing steel
✅ Pack Size: Single Bearing
💡 産業用機器において、自動調心玉軸受はどのような用途に使われるのでしょうか？
Self-aligning ball bearings handle shaft misalignment and support mixed radial and axial loads, keeping machinery running smoother.
- Helps reduce wear in conveyors, pumps, and gearboxes
- Allows for easier installation when exact alignment is tough
- Ideal for equipment with mounting tolerances and vibration concerns
- Supports reliable operation across varying speeds and loads