W637/2-2Z SKF Basic static load rating (C0) 0.019 kN 2x4x2mm Deep groove ball bearings
| Bearing number | W637/2-2Z |
| Size (mm) | 2x4x2 |
| Brand | SKF |
| Bore Diameter (mm) | 2 |
| Outer Diameter (mm) | 4 |
| Width (mm) | 2 |
| d | 2 mm |
| D | 4 mm |
| B | 2 mm |
| C | 2 mm |
| d1 | 2.5 mm |
| d2 | – mm |
| r1 min. | 2.4 mm |
| r2 min. | 2.4 mm |
| D1 | 3.7 mm |
| D2 | 0.05 mm |
| da min. | 2.5 mm |
| Da max. | 3.8 mm |
| ra max. | 0.05 mm |
| Weight | 0.00009 Kg |
| Basic dynamic load rating (C) | 0.068 kN |
| Basic static load rating (C0) | 0.019 kN |
| Fatigue load limit (Pu) | 0.001 |
| Reference speed | 200000 r/min |
| Limiting speed | 100000 r/min |
| Calculation factor (f0) | 6.7 |
Detailed Parameters
parameter：
| F16091 Angular contact ball bearings | Size :40x74x36mm ，Bore Diameter :40mm ，Brand:Fersa ，Outer Diameter :74mm |
| 110RJ02 Cylindrical roller bearings | Brand:Timken ，Bore Diameter :110mm ，d:110 mm ，F:125 mm ，Outer Diameter :185mm |
| CRD-12006 Tapered roller bearings | Bore Diameter :600mm ，Width :380mm ，Brand:NTN ，Size :600x870x380mm ，Outer Diameter :870mm |
| SIA50ES-2RS Plain bearings | d4:70 mm ，Brand:SKF ，Bore Diameter :50mm ，d:50 mm ，d2:114 mm |
| AXK 0515 Needle roller bearings | Brand:ISO ，Outer Diameter :15mm ，Size :5x15x2mm ，Width :2mm ，Bore Diameter :5mm |
| 22222 EKW33+AHX3122 Spherical roller bearings | Size :105x200x53mm ，Outer Diameter :200mm ，Brand:ISB ，Bore Diameter :105mm |
| N222EM Cylindrical roller bearings | Outer Diameter :200.000mm ，Bore Diameter :110.000mm ，Brand:SNR ，Size :110x200x38mm |
| 47675/47620 Tapered roller bearings | Width :33.338mm ，Outer Diameter :133.35mm ，Bore Diameter :71.438mm ，d:71.438 mm ，Brand:Timken ，Size :71.438x133.35x33.338mm |
| 24088-K30-MB-W33+AHX24088 Spherical roller bearings | Brand:NKE ，Width :212mm ，Size :440x650x212mm ，d:440 mm ，Outer Diameter :650mm ，Bore Diameter :440mm |
| 497/493B Tapered roller bearings | Bore Diameter :85.725mm ，Brand:Timken ，Width :29.769mm ，Outer Diameter :136.525mm ，Size :85.725x136.525x29.769mm |
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