2311SK NTN 55x120x43mm da min. 64 mm Self aligning ball bearings
| rs min | 2 mm |
| Associated sleeve reference | H2311X |
| e | 0.41 |
| Y1 | 1.5 |
| Y2 | 2.4 |
| Y0 | 1.6 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 2.03 kg |
| Dynamic load, C | 76.5 kN |
| Static load, C0 | 24 kN |
| Nlim (oil) | 6.000 rpm |
| Nlim (grease) | 4.800 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 64 mm |
| da max | 71 mm |
| db min | 61 mm |
| Ce min | 6 mm |
| Da max | 111 mm |
| ra max | 2 mm |
| Bearing number | 2311SK |
| Size (mm) | 55x120x43 |
| Brand | NTN |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 43 |
| d | 55 mm |
| D | 120 mm |
| B | 43 mm |
| C | 43 mm |
| r min. | 2 mm |
| da min. | 64 mm |
| Da max. | 111 mm |
| ra max. | 2 mm |
| Weight | 2.03 Kg |
| Basic dynamic load rating (C) | 76.5 kN |
| Basic static load rating (C0) | 24 kN |
| (Grease) Lubrication Speed | 4 800 r/min |
| (Oil) Lubrication Speed | 6 000 r/min |
| Calculation factor (e) | 0.41 |
| Calculation factor (Y0) | 1.6 |
| Calculation factor (Y1) | 1.5 |
Detailed Parameters
parameter：
| RNA4828 Needle roller bearings | Brand:SKF ，Size :155x175x35mm ，Bore Diameter :155mm ，Outer Diameter :175mm |
| LMEFM40UU Linear bearings | D:62 mm ，d:40 mm ，Brand:Samick ，d1:9 mm ，Outer Diameter :62mm ，Bore Diameter :40mm |
| 54204U Thrust ball bearings | Outer Diameter :40mm ，Width :32mm ，Size :20x40x32mm ，Brand:NSK ，Bore Diameter :20mm |
| 230/900RK Spherical roller bearings | Bore Diameter :900mm ，Brand:KOYO ，Outer Diameter :1280mm ，Size :900x1280x280mm ，Width :280mm |
| 6000T1XVV Deep groove ball bearings | Bore Diameter :10mm ，Size :10x26x8mm ，Width :8mm ，Outer Diameter :26mm ，Brand:NSK |
| UCFX09 Bearing units | d1:45 mm ，Brand:NACHI ，A0:55.6 mm ，Bore Diameter :45mm |
| 61819-2Z-Y Deep groove ball bearings | Outer Diameter :120mm ，Bore Diameter :95mm ，Brand:FAG ，Size :95x120x13mm |
| 31305 J2/QDF Tapered roller bearings | Bore Diameter :62mm ，Size :62x25x36.5mm ，Outer Diameter :25mm ，Brand:SKF |
| SMF104 Deep groove ball bearings | Bore Diameter :4mm ，Brand:AST ，Size :4x10x3mm ，Outer Diameter :10mm |
| 74550A/74850 Tapered roller bearings | Brand:CX ，Outer Diameter :215.9mm ，Size :139.7x215.9x47.625mm ，Bore Diameter :139.7mm ，Width :47.625mm |
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