230/630EK NACHI Calculation factor (e) 0.22 630x920x212mm Cylindrical roller bearings
| Bearing number | 230/630EK |
| Size (mm) | 630x920x212 |
| Brand | NACHI |
| Bore Diameter (mm) | 630 |
| Outer Diameter (mm) | 920 |
| Width (mm) | 212 |
| d | 630 mm |
| D | 920 mm |
| B | 212 mm |
| C | 212 mm |
| r min. | 7.5 mm |
| Weight | 487 Kg |
| Basic dynamic load rating (C) | 8350 kN |
| Basic static load rating (C0) | 13100 kN |
| (Grease) Lubrication Speed | 430 r/min |
| (Oil) Lubrication Speed | 570 r/min |
| Calculation factor (e) | 0.22 |
| Calculation factor (Y0) | 3 |
| Calculation factor (Y1) | 3.07 |
Detailed Parameters
parameter：
| PK50.8X66.8X49.8 Needle roller bearings | Outer Diameter :66.800mm ，Brand:NTN ，Ew:66.800 mm ，Fw:50.800 mm ，Bore Diameter :50.800mm |
| RE202522AL2 Needle roller bearings | Bore Diameter :20mm ，Fw:20 mm ，Size :20x25x21.8mm ，Outer Diameter :25mm ，Width :21.8mm ，Brand:KOYO |
| E-4R10403 Cylindrical roller bearings | Brand:NTN ，Bore Diameter :520mm ，Width :540mm ，Size :520x700x540mm ，Outer Diameter :700mm ，d:520 mm |
| 23032 KCW33+H3032 Spherical roller bearings | Width :60mm ，Outer Diameter :240mm ，Size :160x240x60mm ，Brand:ISO ，Bore Diameter :160mm |
| QJ220C3 Angular contact ball bearings | Brand:NTN ，Size :100x180x34mm ，Outer Diameter :180.000mm ，Width :34.000mm ，Bore Diameter :100.000mm |
| 22228 KCW33+H3128 Spherical roller bearings | Brand:CX ，Bore Diameter :140mm ，Size :140x250x68mm ，Outer Diameter :250mm |
| 81111 Thrust roller bearings | Bore Diameter :55mm ，Outer Diameter :78mm ，d1:57 mm ，Brand:CX ，d:55 mm |
| 248/560-B-MB Spherical roller bearings | Size :560x680x118mm ，Bore Diameter :560mm ，Outer Diameter :680mm ，Brand:FAG ，Width :118mm |
| FWF-727921 Needle roller bearings | Brand:NSK ，Bore Diameter :72mm ，Outer Diameter :79mm ，Fw:72 mm ，Ew:79 mm |
| EGB1015-E40 Plain bearings | Outer Diameter :12mm ，Brand:INA ，Size :10x12x15mm ，Bore Diameter :10mm |
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