2306 NACHI Calculation factor (Y1) 1.44 30x72x27mm Self aligning ball bearings
| Bearing number | 2306 |
| Size (mm) | 30x72x27 |
| Brand | NACHI |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 27 |
| d | 30 mm |
| D | 72 mm |
| B | 27 mm |
| C | 27 mm |
| r1 min. | 1.1 mm |
| da min. | 36.5 mm |
| Da max. | 65.5 mm |
| ra max. | 1.0 mm |
| Weight | 0.500 Kg |
| Basic dynamic load rating (C) | 31.4 kN |
| Basic static load rating (C0) | 8.75 kN |
| (Grease) Lubrication Speed | 8000 r/min |
| (Oil) Lubrication Speed | 10000 r/min |
| Calculation factor (e) | 0.44 |
| Calculation factor (Y0) | 1.51 |
| Calculation factor (Y1) | 1.44 |
Detailed Parameters
parameter：
| M-20161 Needle roller bearings | Bore Diameter :31.75mm ，Size :31.75x38.1x25.4mm ，Width :25.4mm ，Brand:Timken ，Outer Diameter :38.1mm |
| 6907NR Deep groove ball bearings | Size :35x55x10mm ，Brand:NTN ，Bore Diameter :35mm ，Outer Diameter :55mm ，Width :10mm |
| H239649/H239612 Cylindrical roller bearings | d:187.325 mm ，Bore Diameter :187.325mm ，Brand:NSK ，Size :187.325x320.675x88.9mm ，Outer Diameter :320.675mm ，Width :88.9mm |
| 6218ZNR Deep groove ball bearings | Width :30.000mm ，Brand:NTN ，Outer Diameter :160.000mm ，Size :90x160x30mm ，Bore Diameter :90.000mm |
| 22244-K-MB-W33 Spherical roller bearings | Bore Diameter :220mm ，Size :220x400x108mm ，Brand:NKE ，Width :108mm ，Outer Diameter :400mm |
| 22234 K Spherical roller bearings | Outer Diameter :310mm ，Bore Diameter :170mm ，Width :86mm ，d:170 mm ，Size :170x310x86mm ，Brand:ISB |
| A 5218 WB Cylindrical roller bearings | Width :52.3875mm ，Bore Diameter :90mm ，Outer Diameter :160mm ，Brand:SIGMA ，Size :90x160x52.3875mm |
| FYR 1 7/16 Bearing units | Outer Diameter :62.706mm ，Width :52.388mm ，da:36.512 mm ，Brand:SKF ，Size :36.512x62.706x52.388mm ，Bore Diameter :36.512mm |
| SA206-19F Deep groove ball bearings | Outer Diameter :62mm ，d:30.1625 mm ，Brand:FYH ，Size :30.1625x62x23.8mm ，Width :23.8mm ，Bore Diameter :30.1625mm |
| 7209CGD2/GLP4 Angular contact ball bearings | Width :19mm ，Bore Diameter :45mm ，Size :45x85x19mm ，Brand:NTN ，Outer Diameter :85mm |
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