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71907 ACD/P4A - High precision angular contact ball bearing - Precision ball bearing

Product model71907 ACD/P4A
d35 mm
D55 mm
B10 mm
Limiting speed36000 r/min
d141.6mm
d241.6mm
D148.4mm
r1,2min.0.6mm
r3,4min.0.3mm
a15.6mm
damin.38.2mm
dbmin.38.2mm
Damax.51.8mm
Dbmax.53.6mm
Fillet radius(ra)max.0.6mm
Fillet radius(rb)max.0.3mm
Fuel injector position(dn)43mm
Pu0.26kN
Oil and gas lubrication can reach the speed22000r/min
Contact angle(α)25°
Ball diameter(Dw)5.556mm
The number of pages(z)21
Reference grease quantity(Gref)0.93cm³
Preload level A(GA)60N
Static axial stiffness of preload level A81N/µm
Preload class B(GB)120N
Static axial stiffness of preload class B105N/µm
Preload level C(GC)240N
Static axial stiffness of preload level C137N/µm
Preload level D(GD)480N
Static axial stiffness of preload level D183N/µm
Correction factor depends on bearing series and size (f)1.1
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, preload class D(f2D)1.14
Correction factor of hybrid ceramic bearing(fHC)1
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
Weight0.074kg

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71907 ACD/P4A / High precision angular contact ball bearing / Precision ball bearing