239/630EK NACHI Basic static load rating (C0) 9700 kN 630x850x165mm Cylindrical roller bearings
| Bearing number | 239/630EK |
| Size (mm) | 630x850x165 |
| Brand | NACHI |
| Bore Diameter (mm) | 630 |
| Outer Diameter (mm) | 850 |
| Width (mm) | 165 |
| d | 630 mm |
| D | 850 mm |
| B | 165 mm |
| C | 165 mm |
| r min. | 6 mm |
| Weight | 273 Kg |
| Basic dynamic load rating (C) | 5750 kN |
| Basic static load rating (C0) | 9700 kN |
| (Grease) Lubrication Speed | 420 r/min |
| (Oil) Lubrication Speed | 540 r/min |
| Calculation factor (e) | 0.18 |
| Calculation factor (Y0) | 3.62 |
| Calculation factor (Y1) | 3.71 |
Detailed Parameters
parameter：
| R152.41 Wheel bearings | Designation FAG:713678310 ，Designation SKF:VKBA 1455 ，Brand:SNR ，Designation SX:CX212 |
| 6928LU Deep groove ball bearings | Width :24.000mm ，Outer Diameter :190.000mm ，Size :140x190x24mm ，Brand:NTN ，Bore Diameter :140.000mm |
| CBK-258 Tapered roller bearings | Bore Diameter :23mm ，Width :14.26mm ，Size :23x52x14.26mm ，Brand:FLT ，Outer Diameter :52mm |
| NUP1040 Cylindrical roller bearings | Outer Diameter :310mm ，Size :200x310x51mm ，Bore Diameter :200mm ，Brand:KOYO |
| UCF207-21E Bearing units | Brand:KOYO ，Bore Diameter :33.3375mm ，d:33.3375 mm ，A1:15 mm ，A0:44.4 mm ，A:34 mm |
| GE25AW Plain bearings | Width :22.5mm ，Bore Diameter :25mm ，Brand:ISO ，Outer Diameter :62mm ，d:25 mm ，Size :25x62x22.5mm |
| 250K Deep groove ball bearings | Bore Diameter :250mm ，d:250 mm ，Brand:Timken ，Size :250x460x76mm ，Width :76mm ，Outer Diameter :460mm |
| UCP313SC Bearing units | Brand:KOYO ，Bore Diameter :65mm ，d:65 mm ，Width :75mm |
| NK17/16 Needle roller bearings | Size :17x25x16mm ，Bore Diameter :17mm ，Brand:KOYO ，Outer Diameter :25mm |
| 4209ZZ Deep groove ball bearings | Bore Diameter :45mm ，Outer Diameter :85mm ，Width :23mm ，Brand:FBJ ，Size :45x85x23mm |
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