02872/02820 KOYO B 22.225 mm 28.575×73.025×22.225mm Tapered roller bearings
| Bearing number | 02872/02820 |
| Size (mm) | 28.575×73.025×22.225 |
| Brand | KOYO |
| 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 | 18.4 mm |
| r min. | 0.8 mm |
| r2 min. | 3.2 mm |
| da min. | 37.5 mm |
| Da | 62 mm |
| db min | 37 mm |
| ra max. | 0.8 mm |
| rb max. | 3.2 mm |
| Db | 68 mm |
| Weight | 0.477 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：
| GE 80 SX Plain bearings | Brand:SIGMA ，Size :80x125x27mm ，Bore Diameter :80mm ，Outer Diameter :125mm ，Width :27mm ，d:80 mm |
| 35BX5212-DDST2NB Angular contact ball bearings | Size :35x52x12mm ，Width :12mm ，Bore Diameter :35mm ，Outer Diameter :52mm ，Brand:NSK |
| AX 45 65 Needle roller bearings | Outer Diameter :65mm ，Size :45x65x2.8mm ，Brand:KOYO ，Bore Diameter :45mm ，Width :2.8mm |
| PW40750050CSHD Angular contact ball bearings | Bore Diameter :40mm ，d:40 mm ，Size :40x75x50mm ，Brand:PFI ，Outer Diameter :75mm ，Width :50mm |
| NATR 8 X Cylindrical roller bearings | Brand:SKF ，Size :8x24x14mm ，Outer Diameter :24mm ，Width :14mm ，D:24 mm ，Bore Diameter :8mm |
| XTGB40189S06.P Angular contact ball bearings | Bore Diameter :30mm ，Outer Diameter :120mm ，Width :69.3mm ，Size :30x120x69.3mm ，Brand:SNR |
| GEG8N Plain bearings | Bore Diameter :8mm ，Brand:LS ，Outer Diameter :19mm ，Size :8x19x11mm |
| BR1930 Deep groove ball bearings | Size :19.05x30x6.35mm ，Bore Diameter :19.05mm ，Brand:KBC ，d:19.05 mm ，Width :6.35mm ，Outer Diameter :30mm |
| YSP 212-207 SB-2F Deep groove ball bearings | d:61.912 mm ，Width :51.5mm ，Bore Diameter :110mm ，Brand:SKF ，Outer Diameter :61.912mm ，Size :110x61.912x51.5mm |
| NK100/26 Needle roller bearings | Bore Diameter :100mm ，Size :100x120x26mm ，Outer Diameter :120mm ，Brand:CX |
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