W637/4X SKF 4x10x3mm da min. 5.6 mm Deep groove ball bearings
| Bearing number | W637/4X |
| Size (mm) | 4x10x3 |
| Brand | SKF |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 10 |
| Width (mm) | 3 |
| d | 4 mm |
| D | 10 mm |
| B | 3 mm |
| C | 3 mm |
| d1 | 5.9 mm |
| d2 | – mm |
| r1 min. | 0.2 mm |
| r2 min. | 0.2 mm |
| D1 | 8.2 mm |
| D2 | – mm |
| da min. | 5.6 mm |
| Da max. | 8.4 mm |
| ra max. | 0.2 mm |
| Weight | 0.001 Kg |
| Basic dynamic load rating (C) | 0.553 kN |
| Basic static load rating (C0) | 0.245 kN |
| Fatigue load limit (Pu) | 0.011 |
| Reference speed | 130000 r/min |
| Limiting speed | 80000 r/min |
| Calculation factor (f0) | 12 |
Detailed Parameters
parameter：
| AXK1117 Needle roller bearings | Dw:4 mm ，Lw:7.8 mm ，Dc:110 mm ，Bearing ring (washer) AS:AS1117 ，Bearing ring (inner ring) WS:WS81117 ，Dc1:85 mm |
| 23976 KW33 Spherical roller bearings | Width :106mm ，Brand:ISO ，Bore Diameter :380mm ，Size :380x520x106mm ，Outer Diameter :520mm |
| 7204CTRSU Angular contact ball bearings | d:20 mm ，Bore Diameter :20mm ，Size :20x47x14mm ，Width :14mm ，Brand:NSK ，Outer Diameter :47mm |
| UKC319H Bearing units | C:156 kN ，G:M10x1 ，B1:90 mm ，A5:52 mm ，A3:4 mm ，d1:125 mm |
| HK354518 Cylindrical roller bearings | Brand:ISO ，Outer Diameter :45mm ，Size :35x45x18mm ，Bore Diameter :35mm |
| NJ2307 E Cylindrical roller bearings | Size :35x80x31mm ，Bore Diameter :35mm ，Outer Diameter :80mm ，Brand:AST |
| AXK 100135 Needle roller bearings | Size :100x135x4mm ，Outer Diameter :135mm ，Bore Diameter :100mm ，d:100 mm ，Brand:ISO ，Width :4mm |
| 6018LB Deep groove ball bearings | Width :24.000mm ，Size :90x140x24mm ，Bore Diameter :90.000mm ，Outer Diameter :140.000mm ，Brand:NTN |
| LJ3/4-Z Deep groove ball bearings | Outer Diameter :47.625mm ，Bore Diameter :19.05mm ，d:19.05 mm ，Width :14.2875mm ，Size :19.05x47.625x14.2875mm ，Brand:RHP |
| 52306 Thrust ball bearings | Brand:ISB ，Bore Diameter :25mm ，Outer Diameter :60mm ，Size :25x60x38mm ，Width :38mm |
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