231/630EK NACHI 630x1030x315mm Calculation factor (e) 0.31 Cylindrical roller bearings
| Bearing number | 231/630EK |
| Size (mm) | 630x1030x315 |
| Brand | NACHI |
| Bore Diameter (mm) | 630 |
| Outer Diameter (mm) | 1030 |
| Width (mm) | 315 |
| d | 630 mm |
| D | 1030 mm |
| B | 315 mm |
| C | 315 mm |
| r min. | 7.5 mm |
| Weight | 1070 Kg |
| Basic dynamic load rating (C) | 13500 kN |
| Basic static load rating (C0) | 19800 kN |
| (Grease) Lubrication Speed | 280 r/min |
| (Oil) Lubrication Speed | 390 r/min |
| Calculation factor (e) | 0.31 |
| Calculation factor (Y0) | 2.15 |
| Calculation factor (Y1) | 2.2 |
Detailed Parameters
parameter：
| 62210-2RSR Deep groove ball bearings | Width :23mm ，Brand:FAG ，Size :50x90x23mm ，Bore Diameter :50mm ，Outer Diameter :90mm ，d:50 mm |
| F684 Deep groove ball bearings | Outer Diameter :9mm ，Brand:FBJ ，Size :4x9x2.5mm ，Width :2.5mm ，Bore Diameter :4mm |
| EC42224S01H206 Tapered roller bearings | Outer Diameter :52mm ，Size :25x52x16.25mm ，Brand:SNR ，Bore Diameter :25mm |
| NJ2219-E-M6 Cylindrical roller bearings | Brand:NKE ，Bore Diameter :95mm ，Outer Diameter :170mm ，Size :95x170x43mm |
| 804661BL178 Deep groove ball bearings | Brand:FAG ，Outer Diameter :72mm ，Bore Diameter :35mm ，Size :35x72x18mm |
| NKI90/26 Needle roller bearings | Bore Diameter :90mm ，Size :90x120x26mm ，Outer Diameter :120mm ，Brand:SKF |
| X501 Deep groove ball bearings | Width :31.75mm ，Outer Diameter :127.0635mm ，Size :45x127.0635x31.75mm ，d:45 mm ，Bore Diameter :45mm ，Brand:NSK |
| GE20N Plain bearings | Brand:LS ，Width :16mm ，Size :20x35x16mm ，Outer Diameter :35mm ，Bore Diameter :20mm ，d:20 mm |
| 6409 Deep groove ball bearings | rs min:2 mm ，Radial clearance class:CN ，Mass:1.53 kg ，Dynamic load, C:77 kN |
| 5442 Wheel bearings | Designation FAG:713610460 ，Designation SNR:R154.42 ，Designation SX:CX537 ，Designation SKF:VKBA 3450 ，Brand:Ruville |
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