21306EK NACHI 30x72x19mm Calculation factor (e) 0.27 Cylindrical roller bearings
| Bearing number | 21306EK |
| Size (mm) | 30x72x19 |
| Brand | NACHI |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 19 |
| d | 30 mm |
| D | 72 mm |
| B | 19 mm |
| C | 19 mm |
| r min. | 1.1 mm |
| Weight | 0.43 Kg |
| Basic dynamic load rating (C) | 83 kN |
| Basic static load rating (C0) | 62.5 kN |
| (Grease) Lubrication Speed | 8000 r/min |
| (Oil) Lubrication Speed | 9500 r/min |
| Calculation factor (e) | 0.27 |
| Calculation factor (Y0) | 2.43 |
| Calculation factor (Y1) | 2.49 |
Detailed Parameters
parameter：
| HK0908 Cylindrical roller bearings | Size :9x13x8mm ，Bore Diameter :9mm ，Outer Diameter :13mm ，Fw:9 mm ，Width :8mm ，Brand:ISO |
| TUP1 45.20 Plain bearings | Outer Diameter :50mm ，f1:1.2 mm ，Brand:CX ，Bore Diameter :45mm ，D:50 mm ，d:45 mm |
| SB206 Deep groove ball bearings | Width :30mm ，Bore Diameter :30mm ，d:30 mm ，Outer Diameter :62mm ，Size :30x62x30mm ，Brand:ISO |
| 28118/28315 Tapered roller bearings | Outer Diameter :80mm ，Size :30.162x80x21.006mm ，Brand:Timken ，Bore Diameter :30.162mm |
| NK18/20 Needle roller bearings | Fw:18 mm ，Width :20mm ，Outer Diameter :26mm ，Bore Diameter :18mm ，Brand:JNS ，Size :18x26x20mm |
| AST20 06IB12 Plain bearings | Bore Diameter :9.525mm ，Outer Diameter :11.9126mm ，Brand:AST ，Bearing Type:straight |
| 413148 Tapered roller bearings | Width :128mm ，Outer Diameter :400mm ，Brand:NTN ，Size :240x400x128mm ，Bore Diameter :240mm |
| K60X65X20 Needle roller bearings | Brand:INA ，Bore Diameter :60mm ，Ew:65 mm ，Fw:60 mm ，Outer Diameter :65mm |
| H239649/12 Tapered roller bearings | Brand:CX ，Outer Diameter :320.675mm ，Bore Diameter :187.325mm ，Size :187.325x320.675x88.9mm |
| EGB2215-E40-B Plain bearings | Outer Diameter :25mm ，Bore Diameter :22mm ，Brand:INA ，Size :22x25x15mm |
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