21308RH KOYO 40x90x23mm da min. 48.5 mm Spherical roller bearings
| Bearing number | 21308RH |
| Size (mm) | 40x90x23 |
| Brand | KOYO |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| r min. | 1.5 mm |
| da min. | 48.5 mm |
| Da max. | 81.5 mm |
| ra max. | 1.5 mm |
| Weight | 0.781 Kg |
| Basic dynamic load rating (C) | 85.7 kN |
| Basic static load rating (C0) | 95.5 kN |
| (Grease) Lubrication Speed | 4100 r/min |
| (Oil) Lubrication Speed | 5500 r/min |
| Calculation factor (e) | 0.26 |
| Calculation factor (Y0) | 2.5 |
| Calculation factor (Y1) | 2.55 |
Detailed Parameters
parameter：
| BS2-2215-2CS/VT143 Spherical roller bearings | Size :75x130x38mm ，d:75 mm ，Width :38mm ，Bore Diameter :75mm ，Outer Diameter :130mm ，Brand:SKF |
| LF-1280 Deep groove ball bearings | Outer Diameter :12mm ，Bore Diameter :8mm ，Size :8x12x2.5mm ，Width :2.5mm ，d:8 mm ，Brand:NMB |
| 40TAF09 Thrust ball bearings | Brand:NACHI ，Size :40x90x23mm ，Outer Diameter :90mm ，Bore Diameter :40mm ，Width :23mm |
| 40RIF130 Cylindrical roller bearings | Bore Diameter :101.6mm ，Brand:Timken ，Outer Diameter :135mm ，F:110 mm ，d:101.6 mm |
| GEZ 200 ES Plain bearings | Outer Diameter :80.963mm ，Size :50.8x80.963x44.45mm ，Brand:SIGMA ，Bore Diameter :50.8mm |
| 61913 Deep groove ball bearings | d:65 mm ，Size :65x90x13mm ，Width :13mm ，Brand:NKE ，Outer Diameter :90mm ，Bore Diameter :65mm |
| SL182944 Cylindrical roller bearings | Bore Diameter :220mm ，Outer Diameter :300mm ，Brand:INA ，Size :220x300x48mm |
| MUCFL209 Bearing units | A0:52.2 mm ，Brand:NACHI ，Bore Diameter :45mm ，d:45 mm ，A:38 mm |
| 231/800E Cylindrical roller bearings | Outer Diameter :1280mm ，Bore Diameter :800mm ，Width :375mm ，Brand:NACHI ，Size :800x1280x375mm |
| EE126098/126149D+X1S-126098 Tapered roller bearings | Size :249.25x380.898x171.45mm ，Width :171.45mm ，Brand:Timken ，Bore Diameter :249.25mm ，Outer Diameter :380.898mm |
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