11304 KOYO 20x52x44mm Calculation factor (Y0) 2.22 Self aligning ball bearings
| Bearing number | 11304 |
| Size (mm) | 20x52x44 |
| Brand | KOYO |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 52 |
| Width (mm) | 44 |
| d | 20 mm |
| D | 52 mm |
| B | 44 mm |
| C | 15 mm |
| r min. | 1.1 mm |
| F | 31.5 mm |
| Da max. | 45.5 mm |
| ra max. | 1 mm |
| Weight | 0.266 Kg |
| Basic dynamic load rating (C) | 12.4 kN |
| Basic static load rating (C0) | 3.35 kN |
| (Grease) Lubrication Speed | 13000 r/min |
| (Oil) Lubrication Speed | 15000 r/min |
| Calculation factor (e) | 0.30 |
| Calculation factor (Y0) | 2.22 |
| Calculation factor (Y1) | 2.12 |
Detailed Parameters
parameter：
| UCF201E Bearing units | d:12 mm ，A:25.5 mm ，Bore Diameter :12mm ，A0:33.3 mm ，Brand:FYH |
| NAO15X32X12 Needle roller bearings | Width :12mm ，Brand:KOYO ，Outer Diameter :32mm ，d:15 mm ，Size :15x32x12mm ，Bore Diameter :15mm |
| BA 2012 Z Needle roller bearings | Brand:IKO ，Bore Diameter :31.75mm ，Outer Diameter :38.1mm ，Size :31.75x38.1x19.05mm |
| SL02-4864 Cylindrical roller bearings | Brand:NTN ，Size :320x400x80mm ，Bore Diameter :320mm ，Outer Diameter :400mm ，Width :80mm |
| 63801 ZZ Deep groove ball bearings | Outer Diameter :21mm ，Size :12x21x7mm ，Bore Diameter :12mm ，Brand:CX |
| 51110 Thrust ball bearings | Size :50x70x14mm ，Outer Diameter :70mm ，d:50 mm ，Bore Diameter :50mm ，Brand:NACHI ，Width :14mm |
| UKFS316H Bearing units | Bore Diameter :70mm ，H3:210 mm ，d:70 mm ，Brand:SNR ，A4:48 mm ，e:18 mm |
| 6319 M Deep groove ball bearings | Outer Diameter :95mm ，Size :200x95x45mm ，Width :45mm ，Bore Diameter :200mm ，Brand:SKF |
| IJ113009 Angular contact ball bearings | E:67 mm ，I:59 mm ，P:100 mm ，Brand:ILJIN |
| 23128 CCK/W33 Spherical roller bearings | Brand:SKF ，Outer Diameter :140mm ，Bore Diameter :225mm ，Size :225x140x68mm |
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