231/630E NACHI Calculation factor (e) 0.31 630x1030x315mm Cylindrical roller bearings
| Bearing number | 231/630E |
| 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：
| GEZM400ES-2RS Plain bearings | Brand:SKF ，Size :101.6x158.75x152.4mm ，Outer Diameter :158.75mm ，Bore Diameter :101.6mm ，Width :152.4mm |
| KDX140 Angular contact ball bearings | Outer Diameter :381mm ，Width :12.7mm ，d:355.6 mm ，Brand:KOYO ，Bore Diameter :355.6mm ，Size :355.6x381x12.7mm |
| 657/652-B Tapered roller bearings | Size :73.025x152.4x41.275mm ，Brand:Timken ，Outer Diameter :152.4mm ，Bore Diameter :73.025mm ，Width :41.275mm |
| 14134D/14283 Tapered roller bearings | Size :33.338x72.085x44.785mm ，Brand:Timken ，Outer Diameter :72.085mm ，Bore Diameter :33.338mm |
| 6806LLB Deep groove ball bearings | Width :7mm ，Brand:NTN ，Outer Diameter :42mm ，Bore Diameter :30mm ，Size :30x42x7mm |
| RNA4830 Needle roller bearings | Outer Diameter :190mm ，Brand:Timken ，Width :40mm ，Size :165x190x40mm ，Bore Diameter :165mm |
| HK2516 Needle roller bearings | Bore Diameter :25mm ，Width :16mm ，Outer Diameter :32mm ，Size :25x32x16mm ，Brand:KOYO |
| PR4E Plain bearings | Bore Diameter :4mm ，d:4 mm ，Brand:NMB ，Width :4mm |
| RS-4860E4 Cylindrical roller bearings | Brand:NSK ，Size :300x380x80mm ，Outer Diameter :380mm ，Bore Diameter :300mm |
| ARZ 14 30 61 Needle roller bearings | Bore Diameter :30mm ，Width :14mm ，Brand:Timken ，Outer Diameter :61mm ，Size :30x61x14mm ，d:30 mm |
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