WF684ZZ KOYO D2 10.3 mm 4x9x4mm Deep groove ball bearings
| Bearing number | WF684ZZ |
| Size (mm) | 4x9x4 |
| Brand | KOYO |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 9 |
| Width (mm) | 4 |
| d | 4 mm |
| D | 9 mm |
| B | 4 mm |
| C | 4 mm |
| r min. | 0.15 mm |
| r1 min. | 0.15 mm |
| C1 | 0.6 mm |
| D1 | 10.3 mm |
| D2 | 10.3 mm |
| ba min. | 5.2 mm |
| ra max. | 0.1 mm |
| C2 | 1 mm |
| Weight | 0.0007 Kg |
| Basic dynamic load rating (C) | 0.64 kN |
| Basic static load rating (C0) | 0.23 kN |
| (Grease) Lubrication Speed | 59000 r/min |
Detailed Parameters
parameter：
| NNCL 4914 CV Cylindrical roller bearings | Width :30mm ，Size :100x70x30mm ，Bore Diameter :100mm ，Brand:SKF ，Outer Diameter :70mm |
| 1320-M Self aligning ball bearings | Brand:FAG ，Bore Diameter :100mm ，Outer Diameter :215mm ，Size :100x215x47mm ，Width :47mm |
| 7336 B Angular contact ball bearings | Bore Diameter :180mm ，Width :75mm ，Outer Diameter :380mm ，Size :180x380x75mm ，Brand:CX |
| GE90-FO-2RS Plain bearings | Bore Diameter :90mm ，Outer Diameter :150mm ，Brand:INA ，Width :85mm ，Size :90x150x85mm |
| 466-S/452DC Tapered roller bearings | Outer Diameter :107.95mm ，Bore Diameter :55.562mm ，Brand:Timken ，Size :55.562x107.95x65.09mm |
| 6012E Deep groove ball bearings | Brand:SNR ，Size :60x95x18mm ，Outer Diameter :95.000mm ，Bore Diameter :60.000mm |
| Z-567445.ZL-K-C3 Cylindrical roller bearings | Width :80mm ，Brand:FAG ，Size :110x240x80mm ，Bore Diameter :110mm ，Outer Diameter :240mm ，d:110 mm |
| 68/600 Deep groove ball bearings | Size :600x730x60mm ，Outer Diameter :730mm ，Brand:NSK ，Bore Diameter :600mm |
| RTL15 Thrust roller bearings | Brand:INA ，Outer Diameter :62.713mm ，Size :34.925x62.713x15.875mm ，Bore Diameter :34.925mm |
| S61822-2RS Deep groove ball bearings | Width :16mm ，Size :110x140x16mm ，d:110 mm ，Outer Diameter :140mm ，Brand:ZEN ，Bore Diameter :110mm |
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