Product parameters

Bearing Information

• Part Number Q728CD/HCP4A
• SKF Number 728CD/HCP4A
• Bearing TypeRadial
• ConstructionSingle Row
• Seal TypeOpen

Overall Dimensions

• Dimension mm 8*24*8
• Bore Dia (d) 8mm
• Outer Dia (D) 24mm
• Width (B) 8mm
• Weight  15g

Load Rating & Rotate Speed

• Dynamic Load Rating (Cr) 3.71KN
• Static Load Rating (Cor) 1.37KN
• Max speed (grease) 85000rpm
• Max speed (oil) 130000rpm

Other parameters

• Contact Angle α15 °
• Ring MaterialHigh purity 52100 Chrome steel
• Ball MaterialCeramic ball (Si3N4)
• Cage MaterialOuter ring guided phenol resin cage
• Temperature Range-30° to 120 ℃
• ABEC RatingP4,P2
• Quality ControlISO 9001