187TAD20 NACHI 187x280x120mm Basic static load rating (C0) 640 kN Thrust ball bearings
| Bearing number | 187TAD20 |
| Size (mm) | 187x280x120 |
| Brand | NACHI |
| Bore Diameter (mm) | 187 |
| Outer Diameter (mm) | 280 |
| Width (mm) | 120 |
| d | 187 mm |
| D | 280 mm |
| T | 120 mm |
| ra1 max. | 1 mm |
| Angle (α) | 60 ° |
| d1 | 248 mm |
| r min. | 2.1 mm |
| r1 min. | 1.1 mm |
| C | 60 mm |
| da min. | 220 mm |
| Da max. | 264 mm |
| ra max. | 2 mm |
| Weight | 24.7 Kg |
| Basic dynamic load rating (C) | 200 kN |
| Basic static load rating (C0) | 640 kN |
| (Grease) Lubrication Speed | 1500 r/min |
Detailed Parameters
parameter：
| 22228CDE4 Spherical roller bearings | Outer Diameter :250mm ，Width :68mm ，Size :140x250x68mm ，Brand:NSK ，d:140 mm ，Bore Diameter :140mm |
| 3NCHAR034CA Angular contact ball bearings | Outer Diameter :260mm ，Bore Diameter :170mm ，Width :42mm ，Brand:KOYO ，Size :170x260x42mm |
| 239/950K Spherical roller bearings | Size :950x1250x224mm ，Brand:NTN ，Width :224mm ，Outer Diameter :1250mm ，d:950 mm ，Bore Diameter :950mm |
| 2872/2831 Tapered roller bearings | d:28.575 mm ，Width :22.225mm ，Bore Diameter :28.575mm ，Brand:KOYO |
| GTR 506430 Needle roller bearings | Size :50x64x30mm ，Bore Diameter :50mm ，Outer Diameter :64mm ，Fw:50 mm ，Width :30mm ，Brand:IKO |
| 6204LLU/22 Deep groove ball bearings | Outer Diameter :47.000mm ，Size :22x47x14mm ，Brand:NTN ，Bore Diameter :22.000mm |
| EE971354/972100 Tapered roller bearings | Width :76.2mm ，Brand:KOYO ，Bore Diameter :342.9mm ，Size :342.9x533.4x76.2mm ，Outer Diameter :533.4mm |
| 23220CJ Spherical roller bearings | Brand:Timken ，Bore Diameter :100mm ，Outer Diameter :180mm ，Width :60.3mm ，Size :100x180x60.3mm |
| 71920 CB/P4AL Angular contact ball bearings | Size :140x100x20mm ，Outer Diameter :100mm ，Width :20mm ，Brand:SKF ，Bore Diameter :140mm |
| DAC42750045 Angular contact ball bearings | Bore Diameter :42mm ，Brand:ISO ，Size :42x75x45mm ，Outer Diameter :75mm |
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