305172B-1 KOYO ra max. 2 mm 180x280x92mm Angular contact ball bearings
| Bearing number | 305172B-1 |
| Size (mm) | 180x280x92 |
| Brand | KOYO |
| Bore Diameter (mm) | 180 |
| Outer Diameter (mm) | 280 |
| Width (mm) | 92 |
| d | 180 mm |
| D | 280 mm |
| B | 92 mm |
| a | 147.4 mm |
| r min. | 2.1 mm |
| da min. | 192 mm |
| Da max. | 268 mm |
| ra max. | 2 mm |
| Weight | 17 Kg |
| Basic dynamic load rating (C) | 308 kN |
Detailed Parameters
parameter：
| 3NC627HT4 GF Deep groove ball bearings | Size :7x22x7mm ，Width :7mm ，Bore Diameter :7mm ，Brand:KOYO ，Outer Diameter :22mm |
| HK2820 Needle roller bearings | Bore Diameter :28mm ，Outer Diameter :35mm ，Brand:KOYO ，Size :28x35x20mm |
| F682 Deep groove ball bearings | Bore Diameter :2mm ，Size :2x5x1.5mm ，Brand:FBJ ，Outer Diameter :5mm |
| 5202NRZZG15 Angular contact ball bearings | Contact angle α:25 ° ，d1:21.1 mm ，a:18 mm ，D1:31.5 mm |
| RP202820 Needle roller bearings | Outer Diameter :28mm ，Brand:KOYO ，Width :20mm ，Bore Diameter :20mm ，Size :20x28x20mm |
| 7221CDF Angular contact ball bearings | Bore Diameter :105mm ，Brand:CYSD ，Size :105x190x36mm ，Outer Diameter :190mm |
| L630349/L630310 Tapered roller bearings | Bore Diameter :152.4mm ，Brand:Timken ，Width :25mm ，Outer Diameter :192.088mm ，Size :152.4x192.088x25mm |
| 24140EMW33 Thrust roller bearings | Outer Diameter :340.000mm ，Size :200x340x140mm ，Width :140.000mm ，Brand:SNR ，Bore Diameter :200.000mm |
| 7200C Angular contact ball bearings | Outer Diameter :30mm ，Width :9mm ，Bore Diameter :10mm ，d:10 mm ，Brand:CYSD ，Size :10x30x9mm |
| 3303-BD-2Z-TVH Angular contact ball bearings | Outer Diameter :47mm ，Bore Diameter :17mm ，Brand:FAG ，Size :17x47x22.2mm |
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