21311EK SKF D1 96.2 mm 55x120x29mm Spherical roller bearings
| Bearing number | 21311EK |
| Size (mm) | 55x120x29 |
| Brand | SKF |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 29 |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| C | 29 mm |
| b | 6 mm |
| d2 | 72.7 mm |
| r1 min. | 2 mm |
| r2 min. | 2 mm |
| D1 | 96.2 mm |
| K | 3 mm |
| da min. | 66 mm |
| Da max. | 109 mm |
| ra max. | 2 mm |
| Weight | 1.7 Kg |
| Basic dynamic load rating (C) | 156 kN |
| Basic static load rating (C0) | 166 kN |
| Fatigue load limit (Pu) | 18.6 |
| Reference speed | 5600 r/min |
| Limiting speed | 7500 r/min |
| Calculation factor (e) | 0.24 |
| Calculation factor (Y0) | 2.8 |
| Calculation factor (Y1) | 2.8 |
Detailed Parameters
parameter：
| GB10702S02 Angular contact ball bearings | Brand:SNR ，d:42 mm ，Bore Diameter :42mm ，Outer Diameter :84mm ，Size :42x84x39mm ，Width :39mm |
| R168.11 Wheel bearings | Designation SX:CX156 ，Designation SKF:VKBA 751 ，Designation FAG:713613140 ，Brand:SNR |
| 17887/17831 Tapered roller bearings | Bore Diameter :45.23mm ，Size :45.23x79.985x19.842mm ，Brand:KBC ，Outer Diameter :79.985mm ，Width :19.842mm |
| 23268 KCW33+AH3268 Spherical roller bearings | Bore Diameter :340mm ，Width :224mm ，Brand:ISO ，Size :340x620x224mm ，Outer Diameter :620mm |
| W 61903 Deep groove ball bearings | Bore Diameter :30mm ，Size :30x17x7mm ，Brand:SKF ，Width :7mm ，Outer Diameter :17mm |
| NJ320-E-M6 Cylindrical roller bearings | Brand:NKE ，Bore Diameter :100mm ，Outer Diameter :215mm ，Size :100x215x47mm |
| SMN204K Deep groove ball bearings | Width :61.91mm ，Brand:Timken ，Bore Diameter :57.15mm ，Outer Diameter :130mm ，Size :57.15x130x61.91mm |
| LME16UU Linear bearings | Size :16x26x24.9mm ，Outer Diameter :26mm ，Bore Diameter :16mm ，d:16 mm ，Width :24.9mm ，Brand:Samick |
| HK4012 Needle roller bearings | Size :40x47x12mm ，Brand:INA ，Bore Diameter :40mm ，Width :12mm ，Outer Diameter :47mm |
| NUP352 Cylindrical roller bearings | Size :260x540x102mm ，Brand:ISO ，Outer Diameter :540mm ，Bore Diameter :260mm ，Width :102mm |
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