1639-2RS CYSD d 20.638 mm 20.638×50.8×14.288mm Deep groove ball bearings
| Bearing number | 1639-2RS |
| Size (mm) | 20.638×50.8×14.288 |
| Brand | CYSD |
| Bore Diameter (mm) | 20.638 |
| Outer Diameter (mm) | 50.8 |
| Width (mm) | 14.288 |
| d | 20.638 mm |
| D | 50.8 mm |
| B | 14.288 mm |
| C | 14.288 mm |
| r min. | 0.6 mm |
| Weight | 0.138 Kg |
| Basic dynamic load rating (C) | 12.84 kN |
Detailed Parameters
parameter：
| 6209ZZNR Deep groove ball bearings | Bore Diameter :45.000mm ，Brand:NTN ，Size :45x85x19mm ，Outer Diameter :85.000mm ，Width :19.000mm |
| NU2318 ET Cylindrical roller bearings | d:90 mm ，Outer Diameter :190mm ，Size :90x190x64mm ，Brand:NSK ，Bore Diameter :90mm ，Width :64mm |
| 170RU93 Cylindrical roller bearings | Brand:Timken ，F:205 mm ，Bore Diameter :170mm ，d:170 mm ，Outer Diameter :325mm |
| B-3228 Needle roller bearings | Width :44.45mm ，Size :50.8x60.325x44.45mm ，Brand:NSK ，Outer Diameter :60.325mm ，Bore Diameter :50.8mm |
| 7216 ACD/HCP4A Angular contact ball bearings | Brand:SKF ，Bore Diameter :140mm ，Size :140x80x26mm ，Outer Diameter :80mm |
| 33111 Tapered roller bearings | Brand:FAG ，d:55 mm ，Size :55x95x30mm ，Outer Diameter :95mm ，Width :30mm ，Bore Diameter :55mm |
| RNU10552S01 Cylindrical roller bearings | d:42 mm ，Bore Diameter :42mm ，Brand:SNR ，Outer Diameter :72mm ，Size :42x72x19mm ，Width :19mm |
| SSN208ZZ Deep groove ball bearings | d:40.000 mm ，Size :40x80x18mm ，Width :18.000mm ，Outer Diameter :80.000mm ，Brand:NTN ，Bore Diameter :40.000mm |
| BK2518RS Needle roller bearings | Size :25x32x18mm ，Brand:SKF ，Fw:25 mm ，Bore Diameter :25mm ，Width :18mm ，Outer Diameter :32mm |
| UCP210-30SC Bearing units | d:47.625 mm ，Bore Diameter :47.625mm ，A:60 mm ，Width :51.6mm ，Brand:KOYO |
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