- Bearing model
- Model31311 J2/QDF
- Inner diameter-(mm)
- d55
- Outer diameter-(mm)
- D120
- Dynamic load-(kN)
- Cr209
- Static load-(kN)
- Cor275
- Rotational speed-（rpm）
- Fatigue loading33.5
- Reference speed3000
- Maximum rotational speed-(rpm)5600
- Bearing brands
- BrandSKF Bearing
“Do you see over yonder, dear client, those tricky equipment bottlenecks, those wear-and-tear troubles that stall your production? I intend to arm your machines with genuine imported bearings—and stand by with technical support to slay every glitch that comes your way.”
— Hengzhou Bearings
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