21312RHK KOYO 60x130x31mm Da max. 118 mm Spherical roller bearings
| Bearing number | 21312RHK |
| Size (mm) | 60x130x31 |
| Brand | KOYO |
| Bore Diameter (mm) | 60 |
| Outer Diameter (mm) | 130 |
| Width (mm) | 31 |
| d | 60 mm |
| D | 130 mm |
| B | 31 mm |
| C | 31 mm |
| r min. | 2.1 mm |
| da min. | 72 mm |
| Da max. | 118 mm |
| ra max. | 2 mm |
| Weight | 2.08 Kg |
| Basic dynamic load rating (C) | 168 kN |
| Basic static load rating (C0) | 193 kN |
| (Grease) Lubrication Speed | 2800 r/min |
| (Oil) Lubrication Speed | 3700 r/min |
| Calculation factor (e) | 0.24 |
| Calculation factor (Y0) | 2.72 |
| Calculation factor (Y1) | 2.78 |
Detailed Parameters
parameter：
| PR4 Plain bearings | Brand:NMB ，Bore Diameter :4mm ，Db:9.52 mm ，O:6.5 mm ，P:9.5 mm ，d:4 mm |
| RATY17 Bearing units | U:18 mm ，Brand:NKE ，Bore Diameter :17mm ，d:17 mm ，V:48 mm |
| Q319 Angular contact ball bearings | Outer Diameter :200mm ，Bore Diameter :95mm ，Brand:ISO ，d:95 mm ，Width :45mm ，Size :95x200x45mm |
| NU 2312 ECPH Thrust ball bearings | Bore Diameter :130mm ，Brand:SKF ，Width :46mm ，Size :130x60x46mm ，Outer Diameter :60mm |
| GEH 100 ES Plain bearings | Brand:SIGMA ，Size :100x160x85mm ，Outer Diameter :160mm ，Bore Diameter :100mm |
| AST20 280120 Plain bearings | Bore Diameter :280mm ，Brand:AST ，ID Chamfer Angle (B deg.):45 ，Outer Diameter :285mm ，Bearing Type:straight |
| N217-E-TVP2 Cylindrical roller bearings | Outer Diameter :150mm ，Bore Diameter :85mm ，Size :85x150x28mm ，Brand:FAG |
| RN2330-E-MPBX Cylindrical roller bearings | Brand:FAG ，Width :108mm ，Bore Diameter :150mm ，Outer Diameter :283mm ，Size :150x283x108mm |
| FWF-162117 Needle roller bearings | Bore Diameter :16mm ，Outer Diameter :21mm ，Ew:21 mm ，Brand:NSK ，Bc:17 mm ，Fw:16 mm |
| N 1018 KTNHA/SP Cylindrical roller bearings | Size :90x140x24mm ，Brand:SKF ，Width :24mm ，Bore Diameter :90mm ，Outer Diameter :140mm ，d:90 mm |
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