234738B KOYO 197x290x120mm r1 min. 1.1 mm Thrust ball bearings
| Bearing number | 234738B |
| Size (mm) | 197x290x120 |
| Brand | KOYO |
| Bore Diameter (mm) | 197 |
| Outer Diameter (mm) | 290 |
| Width (mm) | 120 |
| d | 197 mm |
| D | 290 mm |
| Ew | 265 mm |
| T | 120 mm |
| B | 30 mm |
| C | 60 mm |
| Angle (α) | 60 ° |
| d1 | 258 mm |
| r min. | 2.1 mm |
| r1 min. | 1.1 mm |
| W | 16 mm |
| Weight | 23 Kg |
| Basic dynamic load rating (C) | 237 kN |
| Basic static load rating (C0) | 665 kN |
| (Grease) Lubrication Speed | 1 400 r/min |
Detailed Parameters
parameter：
| 2473/2420 Tapered roller bearings | r2 min.:1.6 mm ，da min.:34.5 mm ，Outer Diameter :68.262mm ，D:68.262 mm ，Brand:KOYO |
| 33889/33821 Tapered roller bearings | Width :27.783mm ，Bore Diameter :50.8mm ，Size :50.8x95.25x27.783mm ，Brand:Fersa ，Outer Diameter :95.25mm |
| NUH 2236 ECMH Cylindrical roller bearings | Size :320x180x86mm ，Outer Diameter :180mm ，d:180 mm ，Bore Diameter :320mm ，Brand:SKF ，Width :86mm |
| NUP1028 Cylindrical roller bearings | Bore Diameter :140mm ，Brand:NTN ，Outer Diameter :210mm ，Size :140x210x33mm |
| 22311 KVA Spherical roller bearings | Outer Diameter :120mm ，Brand:ISB ，Bore Diameter :55mm ，Size :55x120x43mm |
| RNA2180 Needle roller bearings | Brand:KOYO ，Bore Diameter :202.6mm ，Size :202.6x230x42mm ，Fw:202.6 mm ，Width :42mm ，Outer Diameter :230mm |
| GE110XDO-2RS Plain bearings | Width :100mm ，Outer Diameter :180mm ，Bore Diameter :110mm ，Size :110x180x100mm ，Brand:ISO |
| 5304K Angular contact ball bearings | Size :20x52x22.22mm ，Bore Diameter :20mm ，Brand:Timken ，d:20 mm ，Width :22.22mm ，Outer Diameter :52mm |
| 4R20001 Cylindrical roller bearings | Bore Diameter :1000.000mm ，Width :880.000mm ，Size :1000x1310x880mm ，Outer Diameter :1310.000mm ，Brand:NTN |
| 7028 B-UD Angular contact ball bearings | Width :66mm ，d:140 mm ，Outer Diameter :210mm ，Brand:CX ，Bore Diameter :140mm ，Size :140x210x66mm |
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