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S71920 ACE/HCP4A - Precision ball bearing - High precision angular contact ball bearing

Product modelS71920 ACE/HCP4A
d100 mm
D140 mm
B20 mm
d1112.4mm
d2109mm
D2130.9mm
r1,2min.1.1mm
r3,4min.0.6mm
a38.1mm
damax.111.8mm
dbmax.108.4mm
Damax.134mm
Dbmax.136.8mm
Fillet radius(ra)max.1mm
Fillet radius(rb)max.0.6mm
Pu0.85kN
Oil and gas lubrication can reach the speed13700r/min
Contact angle(α)25°
Ball diameter(Dw)12.7mm
The number of pages(z)24
Preload level A(GA)332N
Static axial stiffness of preload level A207N/µm
Preload class B(GB)996N
Static axial stiffness of preload class B311N/µm
Preload level C(GC)1990N
Static axial stiffness of preload level C408N/µm
Correction factor depends on bearing series and size (f)1.18
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
Weight0.66kg

Product Details

The S71920 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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S71920 ACE/HCP4A / High precision angular contact ball bearing / Precision ball bearing