2304 NKE r1 min. 1.1 mm 20x52x21mm Self aligning ball bearings
| Bearing number | 2304 |
| Size (mm) | 20x52x21 |
| Brand | NKE |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 52 |
| Width (mm) | 21 |
| d | 20 mm |
| D | 52 mm |
| B | 21 mm |
| C | 21 mm |
| r1 min. | 1.1 mm |
| r2 min. | 1.1 mm |
| Weight | 0.24 Kg |
| Basic dynamic load rating (C) | 18.2 kN |
| Basic static load rating (C0) | 4.7 kN |
Detailed Parameters
parameter：
| 7076 AM Angular contact ball bearings | Bore Diameter :560mm ，Brand:SKF ，Size :560x380x82mm ，d:380 mm ，Outer Diameter :380mm ，Width :82mm |
| ML4008Z Deep groove ball bearings | Width :2mm ，Brand:KOYO ，d:4 mm ，Outer Diameter :8mm ，Bore Diameter :4mm ，Size :4x8x2mm |
| NF 1096 Cylindrical roller bearings | Outer Diameter :644mm ，Bore Diameter :480mm ，Fw:536 mm ，Brand:NACHI ，d:480 mm |
| 140RT91 Cylindrical roller bearings | F:154 mm ，Brand:Timken ，Bore Diameter :140mm ，Outer Diameter :206mm ，d:140 mm |
| T-HM266449/HM266410G2 Tapered roller bearings | Outer Diameter :546.1mm ，Width :104.775mm ，Bore Diameter :384.175mm ，Size :384.175x546.1x104.775mm ，Brand:NTN ，d:384.175 mm |
| FYRP 1 15/16-18 Bearing units | Width :114.3mm ，Bore Diameter :49.212mm ，Size :49.212x73.819x114.3mm ，Brand:SKF ，da:49.212 mm ，Outer Diameter :73.819mm |
| GEC 460 TXA-2RS Plain bearings | Size :620x460x218mm ，Bore Diameter :620mm ，d:460 mm ，Outer Diameter :460mm ，Brand:SKF ，Width :218mm |
| 557S/552A Tapered roller bearings | Size :53.975x123.825x38.100mm ，Outer Diameter :123.825mm ，Brand:NACHI ，Bore Diameter :53.975mm |
| QT18 Tapered roller bearings | Bore Diameter :85mm ，Brand:NACHI ，Size :85x180x45.5mm ，Outer Diameter :180mm |
| 47TS584238 Tapered roller bearings | Bore Diameter :290mm ，Width :380mm ，Size :290x420x380mm ，Brand:KOYO ，Outer Diameter :420mm ，d:290 mm |
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