02878/02820 KOYO Basic dynamic load rating (C) 55 kN 34.925×73.025×22.225mm Tapered roller bearings
| Bearing number | 02878/02820 |
| Size (mm) | 34.925×73.025×22.225 |
| Brand | KOYO |
| Bore Diameter (mm) | 34.925 |
| Outer Diameter (mm) | 73.025 |
| Width (mm) | 22.225 |
| d | 34.925 mm |
| D | 73.025 mm |
| T | 22.225 mm |
| B | 22.225 mm |
| C | 17.462 mm |
| a | 18.4 mm |
| r min. | 0.8 mm |
| r1 min. | 3.2 mm |
| r2 min. | 3.2 mm |
| da min. | 42.5 mm |
| Da | 62 mm |
| db min | 42 mm |
| db | 42 mm |
| ra max. | 0.8 mm |
| rb max. | 3.2 mm |
| da | 42.5 mm |
| Db | 68 mm |
| Weight | 0.423 Kg |
| Basic dynamic load rating (C) | 55 kN |
| Basic static load rating (C0) | 65.7 kN |
| (Grease) Lubrication Speed | 5500 r/min |
| (Oil) Lubrication Speed | 7400 r/min |
| Calculation factor (e) | 0.45 |
| Calculation factor (Y0) | 0.73 |
Detailed Parameters
parameter：
| PHU2040 Angular contact ball bearings | Brand:PFI ，Outer Diameter :140mm ，Size :30x140x56.5mm ，Bore Diameter :30mm |
| K90X98X25F Needle roller bearings | Brand:Timken ，Bc:25 mm ，Ew:98 mm ，Outer Diameter :98mm ，Bore Diameter :90mm ，Fw:90 mm |
| NJ313 Cylindrical roller bearings | Size :65x140x33mm ，d:65 mm ，Width :33mm ，Outer Diameter :140mm ，Brand:KOYO ，Bore Diameter :65mm |
| 62309-2RS Deep groove ball bearings | Brand:SIGMA ，Width :36mm ，Bore Diameter :45mm ，Outer Diameter :100mm ，Size :45x100x36mm |
| NUP1036 Cylindrical roller bearings | Bore Diameter :180mm ，Brand:CYSD ，Size :180x280x46mm ，Outer Diameter :280mm |
| FYRP 2-18 Bearing units | Bore Diameter :50.8mm ，Size :50.8x73.819x114.3mm ，Brand:SKF ，Outer Diameter :73.819mm |
| POS 4EC Plain bearings | d1:6.5 mm ，d:4 mm ，Bore Diameter :4mm ，Brand:IKO ，d2:14 mm ，L2:37 mm |
| GRA108-NPP-B-AS2/V Deep groove ball bearings | Size :38.1000x80x43.8mm ，Brand:INA ，Bore Diameter :38.1000 mm ，Outer Diameter :80 mm |
| HK 2220 Needle roller bearings | Outer Diameter :28mm ，Brand:NBS ，Size :22x28x20mm ，Bore Diameter :22mm |
| NA 5910 Needle roller bearings | d:50 mm ，Outer Diameter :72mm ，Width :30mm ，Bore Diameter :50mm ，Brand:JNS ，Size :50x72x30mm |
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