21311EX1K NACHI Basic static load rating (C0) 165 kN 55x120x29mm Cylindrical roller bearings
| Bearing number | 21311EX1K |
| Size (mm) | 55x120x29 |
| Brand | NACHI |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 29 |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| C | 29 mm |
| r min. | 2 mm |
| Weight | 1.7 Kg |
| Basic dynamic load rating (C) | 200 kN |
| Basic static load rating (C0) | 165 kN |
| (Grease) Lubrication Speed | 4500 r/min |
| (Oil) Lubrication Speed | 5600 r/min |
| Calculation factor (e) | 0.25 |
| Calculation factor (Y0) | 2.65 |
| Calculation factor (Y1) | 2.71 |
Detailed Parameters
parameter：
| 33011A Tapered roller bearings | Bore Diameter :55mm ，Brand:ZVL ，Size :55x90x27mm ，Width :27mm ，Outer Diameter :90mm |
| HH221442/10 Tapered roller bearings | Brand:ISO ，Outer Diameter :190.5mm ，Bore Diameter :98.425mm ，Width :57.15mm ，d:98.425 mm ，Size :98.425x190.5x57.15mm |
| NN3010 Cylindrical roller bearings | Outer Diameter :80mm ，Size :50x80x23mm ，Bore Diameter :50mm ，d:50 mm ，Brand:KOYO ，Width :23mm |
| 7000 C Angular contact ball bearings | Brand:ISO ，Outer Diameter :26mm ，Size :10x26x8mm ，Bore Diameter :10mm |
| 7003 ATBP4 Angular contact ball bearings | Bore Diameter :17mm ，Width :10mm ，Size :17x35x10mm ，Brand:CX ，Outer Diameter :35mm |
| 6204-2RS Deep groove ball bearings | Width :14mm ，Brand:CYSD ，Size :20x47x14mm ，Bore Diameter :20mm ，Outer Diameter :47mm |
| ER206-19 Deep groove ball bearings | Bore Diameter :30.1625mm ，Brand:FYH ，Width :38.1mm ，Outer Diameter :62mm ，Size :30.1625x62x38.1mm |
| 7306 A-UD Angular contact ball bearings | Size :30x72x38mm ，Width :38mm ，Outer Diameter :72mm ，Bore Diameter :30mm ，Brand:CX ，d:30 mm |
| QJ 310 N2 M Angular contact ball bearings | Outer Diameter :110mm ，Brand:ISB ，Width :27mm ，Size :50x110x27mm ，Bore Diameter :50mm |
| STF260KVS3651Eg Tapered roller bearings | Bore Diameter :260mm ，Outer Diameter :365mm ，Brand:NSK ，Size :260x365x340mm ，Width :340mm |
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