2221 KOYO Basic static load rating (C0) 40.1 kN 105x190x50mm Self aligning ball bearings
| Bearing number | 2221 |
| Size (mm) | 105x190x50 |
| Brand | KOYO |
| Bore Diameter (mm) | 105 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 50 |
| d | 105 mm |
| D | 190 mm |
| B | 50 mm |
| C | 50 mm |
| r min. | 2.1 mm |
| da min. | 116 mm |
| Da max. | 179 mm |
| ra max. | 2 mm |
| Weight | 6.07 Kg |
| Basic dynamic load rating (C) | 94.9 kN |
| Basic static load rating (C0) | 40.1 kN |
| (Grease) Lubrication Speed | 3000 r/min |
| (Oil) Lubrication Speed | 3600 r/min |
| Calculation factor (e) | 0.26 |
| Calculation factor (Y0) | 2.55 |
| Calculation factor (Y1) | 2.43 |
Detailed Parameters
parameter：
| 23048 KCW33 Spherical roller bearings | Bore Diameter :240mm ，Width :92mm ，d:240 mm ，Outer Diameter :360mm ，Brand:CX ，Size :240x360x92mm |
| RNA 6910 ZW Needle roller bearings | Bore Diameter :58mm ，Brand:NBS ，Width :40mm ，Outer Diameter :72mm ，Size :58x72x40mm |
| NK73/25 Needle roller bearings | Brand:INA ，Bore Diameter :73mm ，Size :73x90x25mm ，Width :25mm ，Outer Diameter :90mm |
| NU1056 Cylindrical roller bearings | Size :280x420x65mm ，Brand:ISO ，Outer Diameter :420mm ，Bore Diameter :280mm ，Width :65mm |
| NAX 1725Z Complex bearings | Brand:IKO ，Fw:17 mm ，Outer Diameter :26mm ，D:26 mm ，Bore Diameter :17mm |
| NU1015M/HC5C3 Cylindrical roller bearings | Brand:SKF ，Bore Diameter :75mm ，Outer Diameter :115mm ，Size :75x115x20mm ，Width :20mm |
| 1222K Self aligning ball bearings | Size :110x200x38mm ，Width :38mm ，d:110 mm ，Bore Diameter :110mm ，Outer Diameter :200mm ，Brand:SKF |
| 4214A Deep groove ball bearings | rs min:1.5 mm ，Mass:1.5 kg ，d1:91.5 mm ，Precision class:P0 ，Radial clearance class:CN ，D1:108.5 mm |
| NU 318 Cylindrical roller bearings | Bore Diameter :90mm ，Outer Diameter :190mm ，Size :90x190x43mm ，Brand:NSK |
| NK19/16 Needle roller bearings | Brand:INA ，Outer Diameter :27mm ，Size :19x27x16mm ，Width :16mm ，Bore Diameter :19mm |
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