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7201 ACD/HCP4A - High precision angular contact ball bearing - Precision ball bearing

Product model7201 ACD/HCP4A
d12 mm
D32 mm
B10 mm
Limiting speed85000 r/min
d118.6mm
d218.6mm
D125.4mm
r1,2min.0.6mm
r3,4min.0.3mm
a10.2mm
damin.16.2mm
dbmin.16.2mm
Damax.27.8mm
Dbmax.29.6mm
Fillet radius(ra)max.0.6mm
Fillet radius(rb)max.0.3mm
Fuel injector position(dn)20mm
Pu0.075kN
Oil and gas lubrication can reach the speed56000r/min
Contact angle(α)25°
Ball diameter(Dw)5.556mm
The number of pages(z)10
Reference grease quantity(Gref)0.507cm³
Preload level A(GA)35N
Static axial stiffness of preload level A45N/µm
Preload class B(GB)70N
Static axial stiffness of preload class B58N/µm
Preload level C(GC)140N
Static axial stiffness of preload level C75N/µm
Preload level D(GD)280N
Static axial stiffness of preload level D100N/µm
Correction factor depends on bearing series and size (f)1.02
The correction factor depends on the contact angle(f1)0.99
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.01
Correction factor, preload class C(f2C)1.03
Correction factor, preload class D(f2D)1.06
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
Weight0.033kg

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7201 ACD/HCP4A / High precision angular contact ball bearing / Precision ball bearing