231/670EK NACHI D 1090 mm 670x1090x336mm Cylindrical roller bearings
| Bearing number | 231/670EK |
| Size (mm) | 670x1090x336 |
| Brand | NACHI |
| Bore Diameter (mm) | 670 |
| Outer Diameter (mm) | 1090 |
| Width (mm) | 336 |
| d | 670 mm |
| D | 1090 mm |
| B | 336 mm |
| C | 336 mm |
| r min. | 7.5 mm |
| Weight | 1260 Kg |
| Basic dynamic load rating (C) | 15300 kN |
| Basic static load rating (C0) | 23000 kN |
| (Grease) Lubrication Speed | 270 r/min |
| (Oil) Lubrication Speed | 360 r/min |
| Calculation factor (e) | 0.31 |
| Calculation factor (Y0) | 2.13 |
| Calculation factor (Y1) | 2.18 |
Detailed Parameters
parameter：
| FBN-687420 Needle roller bearings | Ew:74 mm ，Outer Diameter :74mm ，Brand:NSK ，Fw:68 mm ，Bore Diameter :68mm |
| 54316-MP Thrust ball bearings | Bore Diameter :65mm ，Width :86.1mm ，d:65 mm ，Outer Diameter :140mm ，Size :65x140x86.1mm ，Brand:NKE |
| VEX 65 7CE1 Angular contact ball bearings | Size :65x100x18mm ，Brand:SNFA ，Outer Diameter :100mm ，Bore Diameter :65mm |
| 24780/24721 Tapered roller bearings | Outer Diameter :76.2mm ，Brand:Fersa ，Size :41.275x76.2x25.4mm ，Bore Diameter :41.275mm |
| 7310 BDT Angular contact ball bearings | Outer Diameter :110mm ，Brand:ISO ，Size :50x110x54mm ，Bore Diameter :50mm |
| UC319L3 Deep groove ball bearings | d:95 mm ，Width :103mm ，Brand:KOYO ，Size :95x200x103mm ，Bore Diameter :95mm ，Outer Diameter :200mm |
| NJ3312 Cylindrical roller bearings | Size :60x130x54mm ，Outer Diameter :130mm ，Bore Diameter :60mm ，Brand:CX |
| 6216 Deep groove ball bearings | d:80 mm ，Brand:NSK ，Outer Diameter :140mm ，Size :80x140x26mm ，Bore Diameter :80mm ，Width :26mm |
| 6028 Deep groove ball bearings | Bore Diameter :140mm ，Outer Diameter :210mm ，Size :140x210x33mm ，Brand:ZEN |
| UCPX15 Bearing units | A:89 mm ，B:82.6 mm ，Bore Diameter :75mm ，Brand:NACHI ，Width :82.6mm ，d:75 mm |
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