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  • Bore diameter(d):mm mm
  • Outside diameter(D):mm mm
  • Width(B):mm mm
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Send Inquiry Designation Dimension [mm] Basic dynamic load rating [kN] Fatigue load limit [kN] Achievable speed [r/min] Mass [kg] Dimensions [mm] Shoulder and chamfer dimensions [mm] Reference grease filling quantity [cm³]
d D B Dynamic C Static Co Pu Grease Oil-air lubrication d1 2C D1 r1.2 Min r3.4 Min da Min Da Min Da Max ra Max rb Max dn Gref

Product Introduction

BUT ultra-precision bearings are designed for machine tool spindles and other applications requiring high running accuracy at high or even extremely high speeds. Each type of bearing boasts unique characteristics that make it suitable for specific operating conditions.