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S71910 ACE/HCP4A - Precision ball bearing - High precision angular contact ball bearing

Product modelS71910 ACE/HCP4A
d50 mm
D72 mm
B12 mm
d156.7mm
d254.9mm
D267.69mm
r1,2min.0.6mm
r3,4min.0.3mm
a20.3mm
damax.56.1mm
dbmax.54.5mm
Damax.68.8mm
Dbmax.70mm
Fillet radius(ra)max.0.6mm
Fillet radius(rb)max.0.3mm
Pu0.25kN
Oil and gas lubrication can reach the speed28000r/min
Contact angle(α)25°
Ball diameter(Dw)7.144mm
The number of pages(z)21
Preload level A(GA)110N
Static axial stiffness of preload level A107N/µm
Preload class B(GB)330N
Static axial stiffness of preload class B161N/µm
Preload level C(GC)660N
Static axial stiffness of preload level C211N/µm
Correction factor depends on bearing series and size (f)1.15
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

Product Details

The S71910 ACE/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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S71910 ACE/HCP4A / High precision angular contact ball bearing / Precision ball bearing