WBB1-8704 SKF Mass bearing 0.0007 kg 3x9x2.5mm Deep groove ball bearings
| Bearing number | WBB1-8704 |
| Size (mm) | 3x9x2.5 |
| Brand | SKF |
| Bore Diameter (mm) | 3 |
| Outer Diameter (mm) | 9 |
| Width (mm) | 2.5 |
| d | 3 mm |
| D | 9 mm |
| B | 2.5 mm |
| C | 2.5 mm |
| Weight | 0.00075 Kg |
| Basic dynamic load rating (C) | 0.325 kN |
| Basic static load rating (C0) | 0.095 kN |
| Fatigue load limit (Pu) | 0.004 |
| Reference speed | 140 000 r/min |
| d1 ≈ | 4.86 mm |
| D1 ≈ | 7.2 mm |
| r1,2 min. | 0.2 mm |
| da min. | 3.8 mm |
| Da max. | 7.4 mm |
| ra max. | 0.2 mm |
| Basic dynamic load rating C | 0.325 kN |
| Basic static load rating C0 | 0.095 kN |
| Fatigue load limit Pu | 0.004 kN |
| Limiting speed | 90000 r/min |
| Calculation factor kr | 0.03 |
| Calculation factor f0 | 6.4 |
| Mass bearing | 0.0007 kg |
Detailed Parameters
parameter：
| 53307U Thrust ball bearings | d:35 mm ，Bore Diameter :35mm ，Size :35x68x28mm ，Outer Diameter :68mm ，Brand:NSK ，Width :28mm |
| W209PPB5 Deep groove ball bearings | Size :31.75x85x36.52mm ，Outer Diameter :85mm ，Brand:PFI ，Bore Diameter :31.75mm |
| SA2-80B Plain bearings | Outer Diameter :196.85mm ，Brand:NTN ，Size :127x196.85x111.125mm ，Width :111.125mm ，d:127 mm ，Bore Diameter :127mm |
| D/W RW2 R Deep groove ball bearings | Width :4.762mm ，Outer Diameter :3.175mm ，Bore Diameter :9.525mm ，Brand:SKF ，Size :9.525x3.175x4.762mm ，d:3.175 mm |
| 23248-E1 Spherical roller bearings | Brand:FAG ，Size :240x440x160mm ，Outer Diameter :440mm ，Width :160mm ，Bore Diameter :240mm ，d:240 mm |
| K10X16X12-TV Needle roller bearings | Size :10x16x12mm ，Brand:INA ，Fw:10 mm ，Width :12mm ，Outer Diameter :16mm ，Bore Diameter :10mm |
| NUP2236EM Cylindrical roller bearings | d:180 mm ，Width :86mm ，Size :180x320x86mm ，Brand:NSK ，Outer Diameter :320mm ，Bore Diameter :180mm |
| 24088R Spherical roller bearings | Bore Diameter :440mm ，Outer Diameter :650mm ，Size :440x650x212mm ，Width :212mm ，Brand:KOYO |
| NN3017 K Cylindrical roller bearings | Brand:ISO ，Size :85x130x34mm ，Bore Diameter :85mm ，Outer Diameter :130mm |
| 83A073BSH2-9C3 Deep groove ball bearings | Outer Diameter :72mm ，Width :16mm ，Size :30x72x16mm ，Bore Diameter :30mm ，Brand:KOYO |
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