234438B KOYO Weight 25 Kg 190x290x120mm Thrust ball bearings
| Bearing number | 234438B |
| Size (mm) | 190x290x120 |
| Brand | KOYO |
| Bore Diameter (mm) | 190 |
| Outer Diameter (mm) | 290 |
| Width (mm) | 120 |
| d | 190 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 | 25 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：
| 638 Deep groove ball bearings | Brand:KOYO ，Outer Diameter :28mm ，Size :8x28x9mm ，Bore Diameter :8mm |
| 29352 Thrust roller bearings | Size :260x420x95mm ，Width :95mm ，Bore Diameter :260mm ，Outer Diameter :420mm ，Brand:Timken |
| NAO 15x32x12 Needle roller bearings | F:20 mm ，Brand:NBS ，Bore Diameter :15mm ，d:15 mm ，Outer Diameter :26mm |
| NA6902-XL Needle roller bearings | Size :15x28x23mm ，Brand:INA ，Width :23mm ，d:15 mm ，Bore Diameter :15mm ，Outer Diameter :28mm |
| B6 Thrust ball bearings | Outer Diameter :37.31mm ，Size :20.638x37.31x15.88mm ，Bore Diameter :20.638mm ，Width :15.88mm ，Brand:INA |
| NA5916 Needle roller bearings | Brand:NSK ，Size :80x110x40mm ，Bore Diameter :80mm ，Outer Diameter :110mm |
| F604 Deep groove ball bearings | Size :4x12x4mm ，Brand:KOYO ，Outer Diameter :12mm ，Bore Diameter :4mm |
| GE240-FO-2RS Plain bearings | Outer Diameter :370mm ，Size :240x370x190mm ，Bore Diameter :240mm ，Brand:INA |
| NJ2207 Cylindrical roller bearings | Brand:KOYO ，Size :35x72x23mm ，Width :23mm ，Outer Diameter :72mm ，Bore Diameter :35mm |
| B-1012 Needle roller bearings | Bore Diameter :15.875mm ，Width :19.05mm ，Brand:Timken ，Outer Diameter :20.638mm ，Size :15.875x20.638x19.05mm |
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