21306AX NACHI 30x72x19mm Basic dynamic load rating (C) 73 kN Cylindrical roller bearings
| Bearing number | 21306AX |
| 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) | 73 kN |
| Basic static load rating (C0) | 50.9 kN |
| (Grease) Lubrication Speed | 9700 r/min |
| (Oil) Lubrication Speed | 12700 r/min |
| Calculation factor (e) | 0.35 |
| Calculation factor (Y0) | 1.9 |
| Calculation factor (Y1) | 1.95 |
Detailed Parameters
parameter：
| 7200 B Angular contact ball bearings | Width :9mm ，Size :10x30x9mm ，Brand:ISB ，Outer Diameter :30mm ，Bore Diameter :10mm |
| NN 3021 KTN9/SP Cylindrical roller bearings | Size :105x160x41mm ，Bore Diameter :105mm ，Width :41mm ，Brand:SKF ，Outer Diameter :160mm ，d:105 mm |
| 6048 Deep groove ball bearings | Bore Diameter :240mm ，Outer Diameter :360mm ，Size :240x360x56mm ，Brand:ZEN |
| 7912UADG/GNP42 Angular contact ball bearings | Width :13mm ，Outer Diameter :85mm ，Brand:NTN ，Bore Diameter :60mm ，Size :60x85x13mm ，d:60 mm |
| KBA180 Angular contact ball bearings | Brand:KOYO ，Bore Diameter :457.2mm ，Size :457.2x473.075x7.938mm ，Outer Diameter :473.075mm |
| GEK55XS-2RS Plain bearings | Outer Diameter :125mm ，Brand:AST ，Bearing Type - high mis-alignment, sealed:high misalignment. sealed ，Bore Diameter :55mm |
| FTO4 Thrust ball bearings | Outer Diameter :23.825mm ，Bore Diameter :4.763mm ，Size :4.763x23.825x9.525mm ，Brand:INA |
| 7814C Angular contact ball bearings | Width :10mm ，Size :70x90x10mm ，d:70 mm ，Brand:NTN ，Bore Diameter :70mm ，Outer Diameter :90mm |
| BK2516 Needle roller bearings | Size :25x32x16mm ，Bore Diameter :25mm ，Width :16mm ，Brand:KOYO ，Outer Diameter :32mm |
| 32919 Tapered roller bearings | Bore Diameter :95mm ，Width :23mm ，Outer Diameter :130mm ，Size :95x130x23mm ，Brand:ISO |
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