02872/02820 KBC r3 min. 3.3 mm 28.575×73.025×22.225mm Tapered roller bearings
| Bearing number | 02872/02820 |
| Size (mm) | 28.575×73.025×22.225 |
| Brand | KBC |
| Bore Diameter (mm) | 28.575 |
| Outer Diameter (mm) | 73.025 |
| Width (mm) | 22.225 |
| d | 28.575 mm |
| D | 73.025 mm |
| T | 22.225 mm |
| B | 22.225 mm |
| C | 17.462 mm |
| a | 26 mm |
| r1 min. | 0.8 mm |
| r2 min. | 0.8 mm |
| r3 min. | 3.3 mm |
| r4 min. | 3.3 mm |
| Weight | 0.481 Kg |
| Basic dynamic load rating (C) | 55 kN |
| Basic static load rating (C0) | 65.5 kN |
| (Grease) Lubrication Speed | 5300 r/min |
| (Oil) Lubrication Speed | 7100 r/min |
| Calculation factor (e) | 0.45 |
| Calculation factor (Y) | 1.3 |
Detailed Parameters
parameter：
| 68/630 Deep groove ball bearings | Bore Diameter :630.000mm ，Size :630x780x69mm ，Width :69.000mm ，Outer Diameter :780.000mm ，Brand:NTN |
| K16x22x16 Needle roller bearings | Brand:CX ，Bore Diameter :16mm ，Width :16mm ，Size :16x22x16mm ，Outer Diameter :22mm |
| 655/652 Tapered roller bearings | Width :41.275mm ，Outer Diameter :152.4mm ，Bore Diameter :69.85mm ，Size :69.85x152.4x41.275mm ，Brand:Timken |
| 355/354A Tapered roller bearings | Bore Diameter :44.45mm ，Width :20.638mm ，Outer Diameter :85mm ，Brand:KOYO ，Size :44.45x85x20.638mm |
| 51415-MP Thrust ball bearings | Size :75x160x65mm ，Outer Diameter :160mm ，Width :65mm ，Bore Diameter :75mm ，Brand:FAG |
| LMEFP40LUU Linear bearings | Brand:Samick ，Bore Diameter :40mm ，D:62 mm ，d:40 mm ，Outer Diameter :62mm |
| NJ313-E-TVP3 Cylindrical roller bearings | Size :65x140x33mm ，Bore Diameter :65mm ，Width :33mm ，Brand:NKE ，Outer Diameter :140mm ，d:65 mm |
| 7317 C-UD Angular contact ball bearings | Brand:CX ，Outer Diameter :180mm ，Width :82mm ，Size :85x180x82mm ，Bore Diameter :85mm ，d:85 mm |
| NJ210-E-MPA+HJ210-E Cylindrical roller bearings | Bore Diameter :50mm ，Size :50x90x20mm ，Outer Diameter :90mm ，Brand:NKE |
| UCFB205-15 Bearing units | Brand:KOYO ，A:26 mm ，Bore Diameter :23.8125mm ，A0:34.8 mm ，d:23.8125 mm |
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