Welcome to FIJ Industrial Technology Limited

S71909 ACE/P4A - Precision ball bearing - High precision angular contact ball bearing

Product modelS71909 ACE/P4A
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
Pu0.275kN
Oil and gas lubrication can reach the speed25000r/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 A85N/µm
Preload class B(GB)265N
Static axial stiffness of preload class B127N/µm
Preload level C(GC)529N
Static axial stiffness of preload level C166N/µm
Correction factor depends on bearing series and size (f)1.09
The correction factor depends on the contact angle(f1)0.99
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.04
Correction factor, preload class C(f2C)1.07
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
Weight0.13kg

Product Details

The S71909 ACE/P4A 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.

Request a Quote for this Product

S71909 ACE/P4A / High precision angular contact ball bearing / Precision ball bearing