SKF
SKF W 638/3-2Z Deep Groove Ball Bearing
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Technical specification MetricImperial DIMENSIONS d 3 mmD 7 mmB 3 mmd2? 3.85 mmD2? 6.35 mmr1,2min. 0.1 mm ABUTMENT DIMENSIONS damin. 3.7 mmdamax. 3.8 mmDamax. 6.5 mmramax. 0.1 mm CALCULATION DATA Basic dynamic load ratingC 0.178 kNBasic static load ratingC0 0.057 kNFatigue load limitPu 0.002 kNReference speed 160000 r/minLimiting speed 80000 r/minCalculation factorkr 0.02Calculation factorf0 7.1 MASS Mass bearing 0.00041 kg
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