5311 NTN Double Row Angular Contact Ball Bearing High Precision Heavy Duty Replacement For Machinery With Low Friction Smooth Operation And Long Life In Precision Applications For Maximum Reliability

5311 NTN double row angular contact bearing - single unit
✔️ Double row angular contact, 55 mm bore, NTN 5311

NTN 5311 double row angular contact ball bearing is designed to handle combined axial and radial loads in tight spaces. This high-precision bearing from NTN is widely used in machine tools, gearboxes, conveyors, and spindles where reliable load management and smooth rotation matter.

✅ Brand: NTN
✅ Model: 5311
✅ Bearing type: double row angular contact ball bearing
✅ Dimensions: bore 55 mm (2.17 in) x outer 120 mm (4.72 in) x width 31 mm (1.22 in)
✅ Pack: single unit
✅ Typical uses: machine tools, gearboxes, conveyors

💡 What is a double row angular contact bearing used for? This handy bearing handles mixed radial and axial loads in compact setups. - It supports heavy loads in both directions - It enables high-speed operation with low friction - It suits precision machinery like CNCs and conveyor systems