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71901 ACE/P4AH - Precision ball bearing - High precision angular contact ball bearing

Product model71901 ACE/P4AH
d12 mm
D24 mm
B6 mm
Limiting speed123000 r/min
d116mm
d215.26mm
D119.95mm
Lubrication hole diameter (K)0.5mm
C13.65mm
r1,2min.0.3mm
r3,4min.0.15mm
a7.2mm
damin.14mm
dbmin.14mm
Damax.22mm
Dbmax.23.2mm
Fillet radius(ra)max.0.3mm
Fillet radius(rb)max.0.15mm
Fuel injector position(dn)16.8mm
Pu0.036kN
Oil and gas lubrication can reach the speed83000r/min
Contact angle(α)25°
Ball diameter(Dw)3.175mm
The number of pages(z)12
Reference grease quantity(Gref)0.1cm³
Preload level A(GA)18N
Static axial stiffness of preload level A27N/µm
Preload class B(GB)55N
Static axial stiffness of preload class B41N/µm
Preload level C(GC)110N
Static axial stiffness of preload level C53N/µm
Correction factor depends on bearing series and size (f)1.04
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
Weight0.01kg

Product Details

The 71901 ACE/P4AH 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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71901 ACE/P4AH / High precision angular contact ball bearing / Precision ball bearing