2311K NACHI 55x120x43mm da min. 64 mm Self aligning ball bearings
| Bearing number | 2311K |
| Size (mm) | 55x120x43 |
| Brand | NACHI |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 43 |
| d | 55 mm |
| D | 120 mm |
| B | 43 mm |
| C | 43 mm |
| r1 min. | 2 mm |
| da min. | 64 mm |
| Da max. | 111 mm |
| ra max. | 2.0 mm |
| Weight | 2.100 Kg |
| Basic dynamic load rating (C) | 75.3 kN |
| Basic static load rating (C0) | 24 kN |
| (Grease) Lubrication Speed | 4500 r/min |
| (Oil) Lubrication Speed | 5700 r/min |
| Calculation factor (e) | 0.41 |
| Calculation factor (Y0) | 1.60 |
| Calculation factor (Y1) | 1.53 |
Detailed Parameters
parameter：
| W6201-ZZ Deep groove ball bearings | Brand:CYSD ，Bore Diameter :12mm ，Size :12x32x15.9mm ，Outer Diameter :32mm |
| 32940XUE1 Tapered roller bearings | e:0.39 ，rs min:3 mm ，r1s min:2.5 mm ，d1:239 mm ，Y2:1.52 |
| 29296 M Thrust roller bearings | Bore Diameter :480mm ，d:480 mm ，Brand:CX ，Outer Diameter :650mm ，D:650 mm ，d1:556 mm |
| NK 60/25 Needle roller bearings | Fw:60 mm ，Bore Diameter :60mm ，Size :60x72x25mm ，Width :25mm ，Outer Diameter :72mm ，Brand:NBS |
| 7038BGM Angular contact ball bearings | Width :46mm ，Size :190x290x46mm ，Bore Diameter :190mm ，Brand:SKF ，Outer Diameter :290mm |
| S7017 ACB/P4A Angular contact ball bearings | Bore Diameter :130mm ，Brand:SKF ，Size :130x85x22mm ，Width :22mm ，Outer Diameter :85mm |
| NNU4938K V Cylindrical roller bearings | Bore Diameter :190mm ，Size :190x260x69mm ，Outer Diameter :260mm ，Brand:ISO ，Width :69mm |
| 6205NREE Deep groove ball bearings | Brand:SNR ，Width :15.000mm ，Bore Diameter :25.000mm ，Size :25x52x15mm ，Outer Diameter :52.000mm |
| 3209A Angular contact ball bearings | Contact angle α:25 ° ，d1:57.2 mm ，a:43.2 mm ，D1:72.6 mm |
| 22316EMKW33 Thrust roller bearings | B:58 mm ，rs min:2.1 mm ，D1:147.4 mm ，d2:98.6 mm |
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