| d: 4mm           single row, stainless steel D: 9mm Deep groove ball bearings B: 4mm Bearing: W 638/4-2Z Designations c: 0,449kN dynamic Basic load ratings Mass: 0,0010KG Limit Speed: 70000r/min Limiting Speed ratings Co: 0,173kN static static|Basic load ratings Speed: 140000r/min Limiting Speed ratings Pu: 0,0075kN limit Fatigue Type: Deep groove ball bearings  |  
  
         
We provid brand: NSK INA IKO KOYO ZWZ LYC C&U HRB TMB TWB
                 if you are interested in  W 638/4-2Z    and some details of its properties, Please contact Email  for any inquiries,We are professionally provides you the W 638/4-2Z products  , W 638/4-2Z  is widely used in the metallurgy, railway, papermaking, cement, engineering machinery, power, transmission equipment, machine toos, automotive, aerospace industry.distributor,in stock,  dimensions | price |specifications| SPEC|  sale| size| Weight| draw | Manufacturer ,supplier,China /Chinese 
  
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