12580/12520 Timken 20.638×49.225×19.845mm da 26 mm Tapered roller bearings
| Bearing number | 12580/12520 |
| Size (mm) | 20.638×49.225×19.845 |
| Brand | Timken |
| Bore Diameter (mm) | 20.638 |
| Outer Diameter (mm) | 49.225 |
| Width (mm) | 19.845 |
| d | 20.638 mm |
| D | 49.225 mm |
| T | 19.845 mm |
| B | 19.845 mm |
| C | 15.875 mm |
| R | 1.5 mm |
| r | 1.5 mm |
| a – | 7.1 mm |
| Da | 45.5 mm |
| db | 28.5 mm |
| da | 26 mm |
| Db | 42.5 mm |
| Aa | 0.9 mm |
| Ab | 1.1 mm |
| Weight | 0.18 Kg |
| Basic static load rating (C0) | 43.2 kN |
| Factor (G1) | 8.6 |
| Factor (G2) | 6.2 |
| Factor (Cg) | 0.0109 |
| Factor (K) | 1.81 |
| Basic dynamic load rating (C90) | 10.5 |
| Basic dynamic load rating (Ca90) | 5.79 |
| Basic dynamic load rating (C1) | 40.4 kN |
| Calculation factor (e) | 0.32 |
| bore diameter: | 0.8125 in |
| cage material: | Steel |
| cup width: | 0.6250 in |
| operating temperature range: | -65 to +250 °F |
| assembly type: | Cone & Cup |
| dynamic load capacity: | 9810 lbf |
| outside diameter: | 1.9380 in |
| static load capacity: | 9720 lbf |
| cone width: | 0.7813 in |
| finish/coating: | Uncoated |
| closure type: | Open |
| series: | 12500 |
| bearing material: | Chrome Steel |
| flange type: | Non-Flanged Cup |
Detailed Parameters
parameter：
| B71908-E-T-P4S Angular contact ball bearings | Size :40x62x12mm ，Brand:FAG ，Bore Diameter :40mm ，Width :12mm ，Outer Diameter :62mm |
| NKI 22/16 Needle roller bearings | d:22 mm ，Size :22x34x16mm ，Outer Diameter :34mm ，Brand:FBJ ，Width :16mm ，Bore Diameter :22mm |
| 24130 EK30W33+AH24130 Spherical roller bearings | Bore Diameter :145mm ，Width :100mm ，Size :145x250x100mm ，Outer Diameter :250mm ，Brand:ISB ，d:145 mm |
| 61828-2RS Deep groove ball bearings | d:140 mm ，Bore Diameter :140mm ，Width :18mm ，Size :140x175x18mm ，Brand:ZEN ，Outer Diameter :175mm |
| R1344LL Cylindrical roller bearings | Brand:NTN ，Outer Diameter :140.000mm ，Size :65x140x100mm ，Bore Diameter :65.000mm |
| UCT214 Bearing units | d:70 mm ，Brand:FYH ，L3:121 mm ，L2:21 mm ，Bore Diameter :70mm |
| 60/22-2RD Deep groove ball bearings | Brand:KOYO ，Bore Diameter :22mm ，Outer Diameter :44mm ，Size :22x44x12mm |
| NA4918S Needle roller bearings | Brand:NTN ，Outer Diameter :125mm ，Bore Diameter :90mm ，Width :35mm ，Size :90x125x35mm ，d:90 mm |
| 6044 M Deep groove ball bearings | Bore Diameter :340mm ，Brand:SKF ，Width :56mm ，Outer Diameter :220mm ，Size :340x220x56mm ，d:220 mm |
| KGNCS 25 C-PP-AS Linear bearings | Outer Diameter :40mm ，d:25 mm ，Brand:INA ，Bore Diameter :25mm |
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