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S71909 ACE/HCP4A - High precision angular contact ball bearing - Precision ball bearing

Product modelS71909 ACE/HCP4A
d45 mm
D68 mm
B12 mm
d152.7mm
d251mm
D262.6mm
r1,2min.0.6mm
r3,4min.0.3mm
a19.2mm
damax.52.1mm
dbmax.50.4mm
Damax.64.8mm
Dbmax.66mm
Fillet radius(ra)max.0.6mm
Fillet radius(rb)max.0.3mm
Pu0.2kN
Oil and gas lubrication can reach the speed30000r/min
Contact angle(α)25°
Ball diameter(Dw)6.35mm
The number of pages(z)21
Preload level A(GA)88N
Static axial stiffness of preload level A94N/µm
Preload class B(GB)265N
Static axial stiffness of preload class B141N/µm
Preload level C(GC)529N
Static axial stiffness of preload level C185N/µm
Correction factor depends on bearing series and size (f)1.09
The correction factor depends on the contact angle(f1)0.98
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.04
Correction factor, preload class C(f2C)1.08
Correction factor of hybrid ceramic bearing(fHC)1.01
Limit value (e)0.68
Axial load factor (single shaft, tandem shaft)(Y2)0.87
Axial load factor (single shaft, tandem shaft)(Y0)0.38
Axial load factor (single shaft, tandem shaft)(X2)0.41
Axial load factor (back to back, face to face) (Y1)0.92
Axial load factor (back to back, face to face) (Y2)1.41
Axial load factor (back to back, face to face) (Y0)0.76
Radial load factor (back to back, face to face) (X2)0.67
Weight0.11kg

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S71909 ACE/HCP4A / High precision angular contact ball bearing / Precision ball bearing