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S71902 ACD/HCP4A - Precision ball bearing - High precision angular contact ball bearing

Product modelS71902 ACD/HCP4A
d15 mm
D28 mm
B7 mm
d118.9mm
d218.9mm
D225.8mm
r1,2min.0.3mm
r3,4min.0.2mm
a8.5mm
damax.18.5mm
dbmax.18.5mm
Damax.26mm
Dbmax.26.6mm
Fillet radius(ra)max.0.3mm
Fillet radius(rb)max.0.2mm
Pu0.056kN
Oil and gas lubrication can reach the speed63000r/min
Contact angle(α)25°
Ball diameter(Dw)3.969mm
The number of pages(z)13
Preload level A(GA)25N
Static axial stiffness of preload level A44N/µm
Preload class B(GB)50N
Static axial stiffness of preload class B57N/µm
Preload level C(GC)100N
Static axial stiffness of preload level C74N/µm
Preload level D(GD)200N
Static axial stiffness of preload level D98N/µm
Correction factor depends on bearing series and size (f)1.05
The correction factor depends on the contact angle(f1)0.98
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.07
Correction factor, preload class C(f2C)1.12
Correction factor, preload class D(f2D)1.17
Correction factor of hybrid ceramic bearing(fHC)1.04
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
Weight0.014kg

Product Details

The S71902 ACD/HCP4A is part of the High precision angular contact ball bearing series within our Precision ball bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.

Typical applications include: electric motors, pumps, gearboxes, agricultural machinery and automotive systems. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.

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S71902 ACD/HCP4A / High precision angular contact ball bearing / Precision ball bearing