2308K KOYO (Grease) Lubrication Speed 6200 r/min 40x90x33mm Self aligning ball bearings
| Bearing number | 2308K |
| Size (mm) | 40x90x33 |
| Brand | KOYO |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 33 |
| d | 40 mm |
| D | 90 mm |
| B | 33 mm |
| C | 33 mm |
| r min. | 1.5 mm |
| da min. | 48 mm |
| Da max. | 82 mm |
| ra max. | 1.5 mm |
| Weight | 0.903 Kg |
| Basic dynamic load rating (C) | 44.9 kN |
| Basic static load rating (C0) | 13.5 kN |
| (Grease) Lubrication Speed | 6200 r/min |
| (Oil) Lubrication Speed | 8600 r/min |
| Calculation factor (e) | 0.43 |
| Calculation factor (Y0) | 1.54 |
| Calculation factor (Y1) | 1.47 |
Detailed Parameters
parameter：
| R188 Deep groove ball bearings | Outer Diameter :12.7mm ，Bore Diameter :6.35mm ，Size :6.35x12.7x3.175mm ，Brand:ISO |
| BHTM2616 Needle roller bearings | Fw:26 mm ，Width :16mm ，Brand:KOYO ，Bore Diameter :26mm ，Outer Diameter :34mm ，Size :26x34x16mm |
| SY 1.3/8 TDW Bearing units | Brand:SKF ，Size :34.925x45x27mm ，Outer Diameter :45mm ，Width :27mm ，Bore Diameter :34.925mm |
| 6056 M Deep groove ball bearings | Brand:ISB ，Outer Diameter :420mm ，Bore Diameter :280mm ，Size :280x420x65mm ，Width :65mm |
| HK4520 Needle roller bearings | Outer Diameter :52mm ，Bore Diameter :45mm ，Brand:CRAFT ，Size :45x52x20mm |
| 32224J/DF Tapered roller bearings | Brand:ISB ，Bore Diameter :120mm ，Outer Diameter :215mm ，Size :120x215x123mm |
| 81236-MB Thrust roller bearings | Outer Diameter :250mm ，Bore Diameter :180mm ，Size :180x250x56mm ，Brand:NKE |
| R165.03 Wheel bearings | Brand:SNR ，Designation FAG:713660230 ，Designation SX:CX053 ，Designation SKF:VKBA 571 |
| TMB303LLV-G/15V69 Deep groove ball bearings | Size :15x47x14mm ，Width :14mm ，Brand:NTN ，Outer Diameter :47mm ，d:15 mm ，Bore Diameter :15mm |
| UCX13-40 Deep groove ball bearings | Outer Diameter :125mm ，Size :63.5x125x74.6mm ，Brand:KOYO ，Width :74.6mm ，Bore Diameter :63.5mm |
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