... long life 2.competitive price 3.low friction S6204.W203B Stainless Steel Deep Groove Ball Bearing S6000 W6000 Series S6204.W203B Stainless ... Deep Groove Ball Bearing1.high speed, low noise, long life 2.competitive price3. ... their low frictional torque, they are suitable for high speedsSeries: 60, 618, 619, 62, 63, 160S6000, S6200, S6300W6000, W6200, ...