21317RHK KOYO 85x180x41mm (Grease) Lubrication Speed 2000 r/min Spherical roller bearings
| Bearing number | 21317RHK |
| Size (mm) | 85x180x41 |
| Brand | KOYO |
| Bore Diameter (mm) | 85 |
| Outer Diameter (mm) | 180 |
| Width (mm) | 41 |
| d | 85 mm |
| D | 180 mm |
| B | 41 mm |
| C | 41 mm |
| r min. | 3 mm |
| da min. | 99 mm |
| Da max. | 166 mm |
| ra max. | 2.5 mm |
| Weight | 5.25 Kg |
| Basic dynamic load rating (C) | 300 kN |
| Basic static load rating (C0) | 372 kN |
| (Grease) Lubrication Speed | 2000 r/min |
| (Oil) Lubrication Speed | 2600 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (Y0) | 2.83 |
| Calculation factor (Y1) | 2.89 |
Detailed Parameters
parameter：
| NA4909TT Needle roller bearings | Bore Diameter :45mm ，Brand:NSK ，Outer Diameter :68mm ，Size :45x68x23mm ，d:45 mm ，Width :23mm |
| EE571703/572650 Tapered roller bearings | Size :431.8x673.1x88.9mm ，Outer Diameter :673.1mm ，Bore Diameter :431.8mm ，Brand:KOYO |
| 7008CVDUJ74 Angular contact ball bearings | Outer Diameter :68mm ，Size :40x68x30mm ，Bore Diameter :40mm ，Brand:SNR ，Width :30mm |
| B-1316 Needle roller bearings | Size :20.638x26.988x25.4mm ，Brand:NSK ，Bore Diameter :20.638mm ，Outer Diameter :26.988mm |
| LM80UU Linear bearings | Brand:Samick ，d:80 mm ，Bore Diameter :80mm ，Width :105.5mm ，Size :80x120x105.5mm ，Outer Diameter :120mm |
| CSXB040 Deep groove ball bearings | Size :101.6x117.475x7.938mm ，d:4 inch ，Brand:INA ，Outer Diameter :117.475mm ，Width :7.938mm ，Bore Diameter :101.6mm |
| 51105 V/HR11T1 Thrust ball bearings | Size :28x25x11mm ，Outer Diameter :25mm ，Bore Diameter :28mm ，Brand:SKF |
| W 61913 Deep groove ball bearings | Width :13mm ，Size :90x65x13mm ，Brand:SKF ，Outer Diameter :65mm ，Bore Diameter :90mm |
| E 208 /S 7CE1 Angular contact ball bearings | Size :8x24x8mm ，Width :8mm ，Brand:SNFA ，Bore Diameter :8mm ，Outer Diameter :24mm |
| RNA 49/28 Needle roller bearings | Brand:NBS ，Outer Diameter :45mm ，Width :17mm ，Bore Diameter :32mm ，Size :32x45x17mm |
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